Anker SOLIX E10 Whole-Home Backup: Inside the Install
Combiner panel, 12 backup circuits, arc-fault breakers and a 20 ms transfer — what a whole-home battery install really costs and where the numbers slip.
Cheap Busbar vs 400A Copper: What Survives a DIY Bank
A $40 brass busbar measured against a 400 A copper bar: cross-section, conductivity, plastic in the fastener stack and honest amp ratings.
Bluetti Elite 200 v2 vs EcoFlow Delta 2 Max
Both 2 kWh, both LiFePO4, both five-year warranty. Six outlets or four, 6,000 cycles or 3,000, expandable to 6 kWh or not.
12V vs 24V Off-Grid Solar: Which Bank to Build?
Will Prowse's cost breakdown turned into numbers: wire, charge controllers, 12V loads and alternators — and the array size where 24V starts winning.
Building a 12V 280Ah LiFePO4 Battery From Four Cells
Four 280Ah prismatic cells into one pack: enclosure dimensions, compression, top balancing, bus bars, lug crimping and BMS wiring order.
Adding a Lithium House Battery to an RV: What Changes
A 460Ah LiFePO4 swap in a 2001 Class A: charge-voltage ceiling, converter costs, DC-DC vs smart relay, and the boost-start job it cannot do.
Whole-House Off-Grid Solar for $13,500: Breakdown
A $100,000 quote versus a $13,500 build: 12kW inverter, rack batteries, ground array, interlock kit and real loads.
48V Off-Grid Solar Battery Bank: Build Walkthrough
Sixteen LiFePO4 batteries into one 48V bank, hand-made 2 AWG cables, Victron controllers and the first measured loads.
Solar Battery Bank: Series vs Parallel Wiring Guide
Two 12.8V 100Ah Power Queen batteries wired both ways — same watt-hours, different current, wire size and inverter choice.
Solar Generator vs Gas Generator: Off-Grid Backup | Dajiu
Wranglerstar’s 449K-view cabin build: Delta Pro solar system vs gas — noise, fuel, CO risk, 240V hookup and real costs.
Golf Cart Lithium Buying: 6 Mistakes to Avoid | Dajiu
Extreme Kartz’s 137K-view guide: weak brands, cheap Amazon packs, forum-following, mods that eat range, call-center sellers and dealer markups.
Power Station vs DIY Lithium: Off-Grid Truth | Dajiu
CleverJoe’s 68K-view cabin upgrade from AGM to a 2,000Wh power station — and the Canadian winter rule nobody covers.
Solar vs Gas Generators: Best Backup Power Choice | Dajiu
City Prepping’s 202K-view comparison: noise, fumes, fuel, maintenance and cost — and why keeping both usually wins.
DIY 48V 20Ah Battery Pack Without a Spot Welder | Dajiu
EbikeSchool.com’s 584K-view build: matching modules, tinning, series links, BMS wiring and heat-shrink finishing.
RV Lithium Battery Upgrade: What to Know First | Dajiu
AZ Expert’s 371K-view guide: fire safety, charger compatibility, alternator protection and the boost-start limit.
Lithium vs Lead Acid Motorcycle Battery: What to Know | Dajiu
Motorcyclist Magazine’s 123K-view MC Garage test: weight, self-discharge, cold-weather capacity, charger compatibility and deep-discharge risk.
Golf Cart Lithium Conversion: Drop-In 48V Upgrade Guide | Dajiu
Engineer775’s 242K-view build: one 48V lithium battery replaces six lead-acid packs, with the DC-DC converter, charging rules and pre-order checklist.
DIY 5400Wh Portable Power Station: Build Your Own | Dajiu
A 160K-view build: toolbox enclosure, 48V 100Ah LiFePO4, 2000W inverter, vented fans and Level 2 charging for about $1,300 instead of $3,000-plus.
Lead Acid vs NiMH vs Li-Ion vs LiPo: Battery Chemistry Comparison | Dajiu
GreatScott!’s 693K-view bench test: energy density, price per watt-hour, cycle life, discharge sag and the honest pick for portable and stationary projects.
BMS DIY vs Buy: Battery Management System Guide for Li-Ion Packs | Dajiu
GreatScott!’s 1.74M-view BMS breakdown: what a protection board actually does, why cheap boards fail, and Stuart Pittaway’s open-source DIYBMS alternative.
How to Build an eBike Battery: 52V DIY Pack Guide Step by Step | Dajiu
Rob Cameron’s 301K-view 48V RadRunner 2 swap: 14S8P layout with 112 EVE 18650 cells, spot welding, BMS wiring, insulation and first charge.
Battery Size & Run-Time Calculator
Free lithium battery calculators: Ah↔Wh conversion, run-time estimation, charge time, and lead-acid to LiFePO4 upgrade comparison. Built for DIY solar, RV, golf cart and off-grid users.
Sodium Ion vs LiFePO4 Battery: Real Comparison | Dajiu
Cleversolarpower by Nick’s 180K-view head-to-head: specs, safety, voltage curves, 4,000-cycle life, cold weather charging, energy density and today’s price picture.
Golf Cart Lithium Range Test: 32 Miles at 35 mph | Dajiu
Fentertainment’s 2.3M-view test: a Vatrer 48V 105Ah pack run wide open at 35 mph — BMS readouts, low-SOC warnings and the 32-mile result.
DIY 96kWh Home Powerwall Build: Step-by-Step | Dajiu
Herb-O-Matic’s 201K-view build: six 16kWh batteries and two 10kW inverters in parallel — wall mounting, DIP addressing and splitter wiring.
Sodium Ion vs LiFePO4 Battery: Real Comparison | Dajiu
Cleversolarpower by Nick’s 180K-view head-to-head: specs, safety, voltage curves, 4,000-cycle life, cold weather charging, energy density and today’s price picture.
Golf Cart Lithium Range Test: 32 Miles at 35 mph | Dajiu
Fentertainment’s 2.3M-view test: a Vatrer 48V 105Ah pack run wide open at 35 mph — BMS readouts, low-SOC warnings and the 32-mile result.
DIY 96kWh Home Powerwall Build: Step-by-Step | Dajiu
Herb-O-Matic’s 201K-view build: six 16kWh batteries and two 10kW inverters in parallel — wall mounting, DIP addressing and splitter wiring.
Build a 5,000W Off-Grid Solar System in 1 Hour | Dajiu
Will Prowse’s 949K-view build: a 5,000W off-grid system on a hand truck — 48V battery, all-in-one inverter, solar panel voltage math and the safe start-up order.
LiFePO4 Server Rack Battery: Buyer’s Guide | Dajiu
Will Prowse’s 541K-view guide: EG4, SOK, Jakiper and Trophy rack batteries compared after teardowns — price, build quality, BMS quirks and support.
Bluetti AC180 vs Anker C1000 vs EcoFlow Delta 2 | Dajiu
Jasonoid’s 175K-view head-to-head: three 1kWh power stations tested on usable capacity, fan noise, UPS cutover, solar input and price per watt-hour.
DIY 2000W 24V Solar System with LiFePO4: Full Build | Dajiu
Will Prowse’s 635K-view build: two 12V 100Ah LiFePO4 in series, a 2000W 24V pure sine inverter, 1040W of solar and the exact charge settings — a 24V system for the same price as 12V.
Can a LiFePO4 Battery Replace a Car Battery? Risks | Dajiu
Lithium Solar’s 176K-view breakdown: five reasons a standard 12V LiFePO4 fails as a car starter — BMS cutoffs, starter current, heat, cold charging and alternator voltage.
Lead Acid vs AGM vs Lithium Marine Battery | Dajiu
goodman_fishing’s 102K-view comparison: usable capacity, weight, discharge curve, cycle life and cost per usable amp-hour — with a full spec table.
EcoFlow Delta 2 vs Jackery 1000: Which 1000W Station? | Dajiu
A 121K-view side-by-side test: 3,000 vs 500 cycles, LiFePO4 vs lithium ion, real inverter loads, 80-minute vs 7.5-hour charging — every spec in one comparison table.
Motorhome RV Solar & Lithium Upgrade: Start-to-Finish DIY | Dajiu
A 96K-view start-to-finish install by EXPLORIST life: 270Ah lithium, a Victron Lynx distributor, MultiPlus inverter/charger and 800W roof solar, with every voltage and setting written out.
Cheapest 5kWh DIY Whole Home Battery Backup: Full Build | Dajiu
BeatTheBush’s 887K-view build: 5kWh of LiFePO4 from 16S cells, a rack-mounted BMS, inverter wiring and the exact part list — whole-home backup at DIY cost.
48V Solar Power System: Beginner Step-by-Step Guide | Dajiu
Will Prowse's 1M-view 48V solar build, step by step: battery-off protocol, inverter-first wiring, safe solar input, AC output and the Growatt settings that matter.
51.2V 150Ah Golf Cart Battery: Vatrer Range Test Review | Dajiu
A 959K-view range test: dimensions, weight, BMS, Bluetooth and onboard charger — 46.6 miles on half a battery, an estimated 80-90 on a full charge.
EcoFlow Delta Pro 3 vs Anker Solix F3800 Plus | Dajiu
Which 240V power station is the best value? Price, capacity, output, solar input, UPS speed, UL 9540 and standby loss compared side by side.
Solar Generator Brands Ranked: Best vs Worst in 2026 | Dajiu
Valid Consumer's 314K-view ranking sorts EcoFlow, Anker Solix, Bluetti and Jackery — and exposes the generic-brand trap and the clearance-sale NMC chemistry problem before you spend a dollar.
CHINS Lithium Golf Cart Battery: 50-Mile Range Test | Dajiu
Bootstrap Revival's 233K-view test puts a $1,050 CHINS pack in a 36V EZGO and drives it flat: 45-50+ miles of real hilly range, the BMS story, and what a lithium swap really costs.
DIY 48V Solar Power Cart: 5kW Build and Budget | Dajiu
Mike Builds' 186K-view build turns a hand truck, a 5kW SunGold inverter and a Vatrer 48V server battery into a $1,860 portable power station that runs a mini-split for 5 hours.
Top Portable Power Stations: 7 Picks by Size and Power | Dajiu
Mike O'Brien's 411K-view roundup compares seven solar generators by size — Jackery Explorer 500, Bluetti PS72, EcoFlow Delta Mini, Anker SOLIX F2000 and EcoFlow Delta Pro — with real prices and honest trade-offs.
DIY 280Ah LiFePO4 Drop-In Battery: Step-by-Step 12V Build | Dajiu
Solar Supply House's 33K-view build: four 280Ah EVE cells, an ABS box and a smart BMS turned into a 12V drop-in replacement battery, with torque warnings and long-term no-compression field data.
Mixing LiFePO4 Cells from Different Suppliers: 48V Build Guide | Dajiu
Will Prowse's 127K-view build combines 280Ah cells from four suppliers into one 48V bank: fast 4S group top balancing, snake layout and a JBD 150A BMS, then a real capacity test.
100Ah LiFePO4 Battery Review: Is $125 a Scam? | Dajiu
Will Prowse's 575K-view tear-down of a $125 100Ah LiFePO4 battery: 98.5Ah measured, no overcurrent protection, missing cells and a random BMS — plus the fuse rule that makes it usable.
DIY 300Ah LiFePO4 Power Station: Complete Build Guide | Dajiu
Outdoor Prepper's 495K-view build: a 300Ah self-heating LiFePO4 battery, 2000W pure sine inverter and 70A charger wired into a wooden platform — expandable, repairable, ~$1,065.
Jackery vs EcoFlow vs Bluetti: How to Choose a Power Station | Dajiu
Nate Petroski's 116K-view unsponsored head-to-head of 3,000Wh-class stations: capacity, portability, 120V vs 240V, LiFePO4 chemistry and the buying rules that matter.
12V vs 24V vs 48V Camper Battery: Which Voltage to Pick | Dajiu
EXPLORIST life's 209K-view head-to-head: 12V vs 24V vs 48V camper electrical systems on inverter limits, current, wire size, charging sources and total cost.
LiFePO4 Charging Guide: Charge Lithium Correctly | Dajiu
Clark's Adventure's 226K-view guide: the correct way to charge LiFePO4 — voltage limits, charge current, float, balancing and storage, endorsed by a NASA engineer.
Lithium Battery Charging Mistakes: 4 to Avoid | Dajiu
LiTime Power's 159K-view warning: low-temperature charging, lead-acid chargers, wrong voltages and float — the four deadly lithium charging errors and their fixes.
EcoFlow DELTA 3 Ultra Plus vs Bluetti Elite 300 | Dajiu
There's A Trick For That's 517K-view head-to-head: EcoFlow DELTA 3 Ultra Plus vs Bluetti Elite 300 on inverter output, capacity, ports, solar input and noise.
48V LiFePO4 Battery Build: DIY Pack Assembly Guide | Dajiu
Projects With Everyday Dave's 237K-view build: sixteen 314Ah cells, a compression enclosure and a JK BMS assembled into a 48V home battery — with an 8kW thermal test.
Raw LiFePO4 Cells vs Server Rack: What to Buy | Dajiu
Will Prowse's 2.6M-view analysis: why raw 280Ah LiFePO4 cells are losing to turnkey server rack batteries — real price math, grade A EVE cells and charging rules.
EcoFlow DELTA 3 Max vs Anker SOLIX S2000: Comparison | Dajiu
Jeff Springer's 1.1M-view head-to-head scores two 2kWh LFP stations on power output, charging speed, efficiency, ports and smart features — and tells you which to buy for which situation.
24V LiFePO4 Battery Build: Preassembled Pack BMS Guide | Dajiu
Will Prowse's 226K-view tutorial finishes a dirt-cheap 8S 100Ah block into a working 24V pack — balance wires, ring terminals, crimping and a first charge, beginner-friendly.
LiFePO4 Battery Care: 3 Causes of Failure & Fixes | Dajiu
Will Prowse's 1.3M-view guide: the three real LiFePO4 killers — over-discharge in storage, cell imbalance and heat — plus the charging and storage rules that make daily 100%/0% cycling safe.
12V vs 24V vs 48V Solar Battery: Which Voltage to Pick | Dajiu
The Solar Lab's 380K-view comparison makes volts, amps and watts simple, then shows why 48V is the standard for any new solar build.
DIY Ebike Battery: Build a 24V Pack From 18650 Cells | Dajiu
EbikeSchool's 1.5M-view tutorial builds a 7S2P 24V pack from Panasonic 18650 cells — layout, nickel spot welding, BMS wiring and shrink-wrap finishing.
Revive Dead Power Tool Batteries: Rebuild & Repair Guide | Dajiu
sixtyfiveford's 1.4M-view guide: jump-start the charger flash, test every cell and rebuild Dewalt, Milwaukee, Makita and Ryobi packs for a few dollars.
Vruzend V2.1 18650 Kit: Solderless Battery Build Guide | Dajiu
EbikeSchool's 570K-view build turns 30 LG MJ1 cells into a 36V 10Ah pack with dovetail caps, barrel bolts and figure-8 bus bars — no spot welder required.
DIY LiFePO4 Battery: Build a Custom 280Ah Pack Guide | Dajiu
Offgrid Power Solutions' 157K-view build takes four EVE 280Ah cells through top balancing, threaded-rod compression, a 200A Daly smart BMS and a custom wooden case.
12V LiFePO4 Battery Showdown: Litime vs EcoFlow vs Wattcycle | Dajiu
Will Prowse's 188K-view showdown tests three budget 12V LiFePO4 batteries for real capacity, low-temp charging protection and overcurrent safety — and exposes the Black Friday pricing trap.
300Ah LiFePO4 Battery Buyers Guide: Top Sellers Tested | Dajiu
Will Prowse's 1.2M-view buyers guide capacity-tests ten 300Ah LiFePO4 batteries and runs a 200A continuous discharge test — which top sellers deliver rated capacity and which to avoid.
DIY 100Ah LiFePO4 Battery: Build Your Own Pack Step by Step | Dajiu
Mr. Electron's 179K-view build turns four 3.2V 100Ah prismatic cells into a 12V pack — cell matching, bus bars, BMS wiring, compression, first charge and a 500W load test.
DIY 2800-Cell Battery: Building 25kWh From Recovered 18650 Cells | Dajiu
HBPowerwall's 3.4M-view build recovers 2800 18650 cells from laptop batteries, sorts them into 50mAh groups and rebuilds them into a 25kWh home battery.
Lithium vs AGM Batteries for Off-Grid Solar: Honest Comparison | Dajiu
ShopSolar's 248K-view comparison measures a 200Ah AGM against a 200Ah LiFePO4 — size, weight, the 50% discharge rule, usable capacity, lifespan and the real price-per-year math.
DIY Lithium Car Audio Battery: Build a 64Ah Bank Under $400 | Dajiu
Parker The Basshead's 87K-view build makes a 64Ah Headway bank for under $400 — cell choice, 4S series wiring, active balancer, battery box and running it alongside AGM.
Golf Cart Lithium Conversion: 48V 105Ah Step-by-Step Guide | Dajiu
Golf Cart Tire Supply's 372K-view guide converts a Club Car to a 51.2V 105Ah Allied pack in one day — tow mode, tray prep, mounting bracket, onboard charger, dash meter and first charge.
32kWh LiFePO4 Battery Build: 628Ah Cells Guide | Dajiu
Will Prowse's 431K-view build assembles a 32kWh pack from 628Ah prismatic cells in 90 minutes — cell math, BMS app setup, a 107% capacity test and the honest safety lessons of moving a 600 lb battery.
Convert Lead Acid to Lithium: 12V 14Ah Build | Dajiu
Well Done Tips' 324K-view conversion turns a dead 12V 9Ah lead acid battery into a 14Ah lithium-ion pack — recycled Samsung 18650 cells, 3S7P layout, spot welding, a 3S 40A BMS and half the weight.
DIY Power Station vs EcoFlow: Build Comparison | Dajiu
Our Black Cat Cottage's 768K-view comparison builds a 12V power station and pits it against the EcoFlow DELTA — real cost breakdown, spec-by-spec parameter table, charging, expandability and who should build vs buy.
DIY 12V LiFePO4 Battery Build: Step-by-Step Guide | Dajiu
Projects With Everyday Dave's 172K-view build assembles a 12V LiFePO4 pack from EVE 280Ah cells and an EEL kit — compression, bus bars, JK BMS wiring, app setup and a real 285Ah capacity test with a $493 DIY vs $730 ready-made cost split.
RV Lithium Battery Guide: Benefits, Costs & Safety | Dajiu
Josh the RV Nerd's 159K-view guide explains lithium RV batteries from the ground up — usable capacity vs lead acid, weight savings, charging compatibility with converters and DC-to-DC chargers, freezing limits and the honest upgrade cost ladder.
3000Wh Power Stations Compared: EcoFlow vs Anker | Dajiu
Mike O'Brien's 164K-view unsponsored test puts five 3kWh stations head to head — EcoFlow Delta 3 Ultra, Anker SOLIX F3000, Jackery 3000, Bluetti Elite 300 and Pecron E3600 — on real price, weight, ports, solar input, charging speed and expansion.
Portable Power Stations: 7 to Avoid, 3 Worth Buying | Dajiu
The Outdoor Post's 287K-view market check names seven power stations to avoid and three worth buying — Anker SOLIX C1000 Gen 2, Bluetti AC200L and EcoFlow Delta 2 Max — with the chemistry reasons why.
DIY 15kWh Home Solar Backup: Build for $2,000 | Dajiu
Projects With Everyday Dave's 1.2M-view build shows a 15.2kWh LiFePO4 backup from EVE 304Ah cells and a 6,000W hybrid inverter — stacking, BMS wiring, safety and a real capacity test.
Whole House Battery Backup: EcoFlow Delta Pro Setup | Dajiu
Silver Cymbal's 966K-view setup shows two EcoFlow Delta Pro units and a 30A inlet powering a whole house — 240V split-phase wiring, the 3-pole switch and real appliance tests.
Simple RV Solar Setup: Panels & Charge Controller | Dajiu
All About RV's 750K-view guide simplifies RV solar — four 100W panels, an MPPT Bluetooth controller, fuses on both sides and a battery-first wiring order a first-timer can follow.
10,000W Off-Grid Solar: Beginner Build Guide | Dajiu
Will Prowse's 1.29M-view crash course builds a 10,000W 48V off-grid system in under an hour — all-in-one inverter, PV disconnect, 6 AWG wiring and the startup settings beginners get wrong.
Under $300 Stations: EcoFlow vs Jackery vs Bluetti | Dajiu
Adventure Gear TV's 450K-view test puts the EcoFlow River 2, Jackery Explorer 240 and Bluetti EB3A head to head — measured capacity, recharge, inverter output and value — to find the best under-$300 backup unit.
EcoFlow vs Bluetti 3kWh Power Station: Inverter Test | Dajiu
Adventure Gear TV's 736K-view test puts the EcoFlow Delta 3 Ultra Plus and Bluetti Elite 300 head to head — inverter, battery, real runtime, solar input and price — to find the best 3kWh-class backup unit.
12V Solar Charge Controller: PWM vs MPPT Guide | Dajiu
Will Prowse's 2.3M-view buyer's guide tests six controllers side by side — terminals, temperature sensing, real PWM vs MPPT output, programming and the $15 vs $150 question.
Off-Grid Solar Battery Bank: LiFePO4 Upgrade Guide | Dajiu
Martin Johnson's 5.4M-view build swaps four flooded golf-cart batteries for eight 100Ah Battle Born LiFePO4 cells — 24V wiring, crimping, fusing, Victron controllers and real cloudy-day results.
5kWh All-in-One Solar: Beginner DIY Build Guide | Dajiu
Will Prowse's 2.9M-view beginner build wires a 5kWh server-rack LiFePO4 battery to a 3,000W all-in-one inverter in under an hour — the easiest whole-home backup you can build yourself.
12V 2000W Solar Setup: Step-by-Step DIY Guide | Dajiu
City Prepping's 2.1M-view guide builds a complete 12V 2000W solar system step by step — wire sizing, bus bars, fuses, a 40A charge controller and 400W of panels, no technical knowledge assumed.
EcoFlow vs Jackery vs Anker: Best Power Station | Dajiu
Minute Man Solar's 820K-view test compares the EcoFlow Delta 3 Max, Jackery 2000 V2 and Anker SOLIX S2000 across inverter output, real runtime, efficiency and price.
DIY Solar Setup Step-by-Step: 12V 2000W Beginner Guide | Dajiu
A 3.76M-view City Prepping guide wires a complete 12V 2000W solar setup — 100W panel, charge controller, LiFePO4 battery and pure sine inverter — battery-first, fuse-first, with a safe 20% discharge floor.
DIY Solar Generator Save Thousands: Build One Under $500 | Dajiu
A 750K-view Rockhill farm build copies a $3,000 solar generator for about $350 — two used 12V batteries, a $150 inverter and real wattage numbers for lights, TV and power tools.
LiFePO4 vs Lead Acid Battery for Solar: Which to Choose | Dajiu
A 96K-view Cleversolarpower comparison breaks down LiFePO4 vs lead-acid for solar: cycles, weight, efficiency, depth of discharge, freezing limits — and a real Renogy vs LiTime cost calculation.
LiFePO4 vs Li-ion Battery: 6 Key Differences Explained | Dajiu
A 436K-view EbikeSchool.com breakdown compares LiFePO4 and lithium ion on cycle life, energy density, cost, voltage, discharge rate and safety — with a parameter table you can verify.
DIY Solar Battery: Build a 48V Bank From 280Ah Cells | Dajiu
A 1.4M-view DavidPoz build turns a crate of 280Ah LiFePO4 cells into a 48V 14.4kWh solar battery — 20S to 16S reconfiguration, 300A BMS, compression banding and three capacity tests at $150-173/kWh.
Harbor Freight DIY Solar Generator: Build a 12V Station | Dajiu
A 3.5M-view Fishin N Stuff build packs a 12V LiFePO4 battery, 600W pure sine inverter, charge controller, fuse box and USB ports into a Harbor Freight stacking toolbox — tested on real 110V gear.
DIY Solar Power Station: Build a 12V Battery Box | Dajiu
A 920K-view DoItYourselfDad build assembles a portable solar power station from a 12V LiFePO4 battery, inverter, charge controller and shunt monitor — cheaper than retail and fully serviceable.
18650 Battery Pack Build: DIY 48V 10Ah Lithium Guide | Dajiu
A 609K-view byte sized engineering build makes a 48V 10Ah pack from 52 18650 cells — 13S4P wiring, spot welding nickel strips, BMS balance leads and the real 270 vs 340 dollar cost math.
Solar Station Test: Anker vs EcoFlow vs Jackery | Dajiu
Four budget solar setups — Jackery Explorer 300, Anker SOLIX C300, EcoFlow River 3 Plus and Bluetti Elite 30 V2 — tested on DC gear, AC loads, real usable capacity and solar compatibility.
3.5kWh DIY Solar Generator: Build Your Own for $650 | Dajiu
A 6.8M-view build turns a $25 toolbox into a 3.5kWh solar generator — 390 recycled 18650 cells, 14S26P pack math, spot welding, Daly BMS and solar charging.
DIY 1200W Portable Power Station Build Guide | Dajiu
An 84-cell 12S7P 50V pack in a briefcase case — cell matching, spot welding vs soldering, quality BMS, USB-C 90W and real loads from a microwave to a fridge.
Motorcycle Battery: Lead-Acid vs AGM vs LiFePO4 | Dajiu
FortNine's 980K-view test puts flooded lead-acid, AGM, gel and lithium batteries through voltage sag, cold cranking, recharge speed and storage — full spec table.
DIY 18650 Battery Pack: Build, BMS & Safety Guide | Dajiu
Turn six common 18650 cells into a protected 3S2P pack — cell matching, nickel strip welding vs soldering, BMS wiring, balance leads and a safe enclosure.
DIY 12V 280Ah LiFePO4 Battery: Step-by-Step Build | Dajiu
Four EVE 280Ah prismatic cells, a 120A Bluetooth BMS and one afternoon — a 12.8V 280Ah pack for under $700 at 18 cents per watt-hour.
AGM vs Lithium Deep Cycle: Which 12V Battery Wins? | Dajiu
A 105Ah AGM and a 100Ah lithium, two identical fridges, one side-by-side test: usable capacity, weight, cycle life, charge speed and the true 10-year cost.
DIY Solar Generator: Portable Lithium Box Build | Dajiu
Step-by-step build of a 100Ah lithium battery in a Ridgid toolbox — 50A fuse block, 4AWG wiring, 12V sockets, USB-C and solar charging.
Marine LiFePO4 Care: Stop Ruining Boat Batteries | Dajiu
Two habits quietly shorten marine lithium life: charging to 100% after every trip and oversized banks. The 20-80% sweet spot and the research behind it.
7 Reasons to Switch to Lithium RV Batteries | Dajiu
Seven practical reasons to swap your RV's lead-acid battery for lithium — usable capacity, lifespan, weight, steady voltage, fast charging, zero maintenance and cost per cycle.
12V vs 24V vs 48V Battery: Off-Grid Solar Guide | Dajiu
Compare 12V, 24V and 48V battery banks for off-grid solar — wiring cost, charge controller sizing, inverter efficiency and voltage sag, with clear rules for RVs and cabins.
DIY 12V 2000W Solar Setup: Step-by-Step Guide | Dajiu
Build your own 12V 2000W solar setup from scratch — full parts list, wire and lug sizing, fuses, inverter and charge controller wiring order, plus a simple way to draw your own diagram.
RV Lithium Upgrade: Parts & Install for Newbies | Dajiu
The full parts list for an RV lithium battery conversion: batteries with BMS, a lithium-compatible charger, battery monitor, fuses, pure sine inverter — and why you bench-test first.
Solar Battery Size: How Much Storage Do You Need? | Dajiu
How to size a home solar battery the practical way: match storage to your surplus solar, decide what you actually back up, and understand the load limits most buyers miss.
LiFePO4 Teardown: Power Queen & Ampere Time 12V | Dajiu
Will Prowse opens a Power Queen 200Ah and an Ampere Time 400Ah LiFePO4 drop-in: BMS placement, build quality, the missing low-temp charging protection — and what it means for your buy.
2000W Power Station Comparison: 9 Brands Tested | Dajiu
Nine 2000W portable power stations tested side by side — Segway, OUPES, Dabbsson, EcoFlow, Bluetti, DJI, Anker, Grecell and Jackery: real capacity, UPS behavior, fan noise, standby drain and charging speed compared.
RV Lithium Battery Conversion: DIY Install Guide | Dajiu
Step-by-step DIY guide to swapping an RV's lead-acid battery for a 200Ah lithium bank: safety order, wiring, cable routing, mounting and the charger compatibility question.
Solar Battery Bank Sizing: Step-by-Step Calculation | Dajiu
A university extension specialist walks through sizing a solar battery bank: load assessment, efficiency losses, days of autonomy, temperature, depth of discharge — with a worked example.
LiFePO4 vs Lead Acid: 12V 100Ah Battery Test | Dajiu
Budget LiFePO4, Battle Born and a lead-acid AGM run through the same 954W capacity test — real prices, real watt-hours, and which 12V 100Ah battery to buy.
How to Choose a Portable Power Station: Match Your Budget to Your Needs
Four Jackery power stations tested side by side — a 5kWh home-backup monster, a backpack 300, a 1kWh middle ground and a light 3kWh unit — with real runtimes and price-per-watt math for every budget.
Anker SOLIX C1000 Review: What It Can Really Power
Real-world tests of the Anker SOLIX C1000 portable power station: a window AC ran 2h46m, a fridge lasted 13.5h, fast charging hit 56 minutes, and solar worked with third-party panels.
RV Solar & Lithium Upgrade: A Complete Start-to-Finish Guide
Built from one real install: 270Ah Battle Born lithium, a Victron Lynx distributor, MultiPlus inverter/charger and 800W of roof solar — with every voltage and setting used.
RV Lead-Acid to Lithium Swap: What Actually Matters
Thinking about swapping your RV lead-acid batteries for lithium? Here's what actually matters, based on what experienced RV owners and DIY channels have learned the hard way.
Adding Lithium Batteries to Your RV: The 4 Things Nobody Tells You Before You Swap
A practical lithium RV battery conversion guide based on a real 460Ah LiFePO4 install: fire-safety myths, BMS charging, alternator protection and the battery boost limitations.
How to Calculate What Size Portable Power Station You Really Need
A 2-million-view, unsponsored video did the testing. Here is the full method written out with real numbers, so you can size a portable power station for your own gear.
How to Size Your Home Battery: The Golden Rule That Stops You Overpaying
Written out from a 290k-view guide by Gary Does Solar. Use your own electricity bill to size a home battery — plus the depth-of-discharge, minimum SOC and degradation details.
How to Pick a Portable Power Station: The 60-Second Math That Saves You Money
A 790k-view beginner's guide broken down in writing. The garden-hose way to understand volts, amps and watts, a real fridge calculation, solar panel math and the buying traps.
How to Choose a LiFePO4 Drop-in Replacement Battery for Your RV, Marine or Golf Cart
Voltage, capacity, BMS, size and cycle life — what actually matters when replacing lead-acid with lithium, and the mistakes to avoid.
Home Battery Storage: Wall-Mounted vs Stackable — Which Fits Your Solar System?
Compare wall-mounted and modular stackable home batteries on space, expandability, cost and ROI for your residential solar setup.
How to Choose a Lithium Battery Manufacturer for Your OEM/ODM Business
Certifications, factory audits, customization capability and communication speed — the checklist smart buyers use before placing an order.
Battery Swap Stations for E-Bikes & E-Motorcycles: Is It the Right Model for Your City?
Swap networks are spreading from New York to Nairobi. Who swapping actually serves, the economics, and what to check before building a network.
Shipping Lithium Batteries Internationally in 2026: UN38.3, the 30% Charge Rule and Certifications That Matter
The changed 30% state-of-charge rule, the UN38.3 test summary carriers demand, and the certifications buyers actually ask for.
Portable Power Stations: How to Pick the Right Size, Output and Chemistry
Watt-hours vs watts, surge power, LiFePO4 vs other chemistries, and the sizing mistakes to avoid for camping, outages and on-the-go.