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@BlindFix · Can't fix it, but I'll build it — POV hand-made pack

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Building a 32140 LiFePO4 battery03:38
Building a 32140 LiFePO4 battery
Battery Master Zhang39034453658
Building a 24V Li-ion battery from 16 × 32140 cells01:58
Building a 24V Li-ion battery from 16 × 32140 cells
Battery Master Zhang1250191746
Why does a 48V e-bike Li-ion battery have such short range?03:50
Why does a 48V e-bike Li-ion battery have such short range?
Battery Master Zhang1284343477
Building a 48V e-bike battery from 78 × 18650 cells03:16
Building a 48V e-bike battery from 78 × 18650 cells
Battery Master Zhang1092169563

AWithZ Academy

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Brushless motor turned monster fan, part 2 done. Installed + tested in one go, the sound takes off on the spot🔥02:14
Brushless motor turned monster fan, part 2 done. Installed + tested in one go, the sound takes off on the spot🔥
AAWithZ Official826
DIY monster fan | Hardcore conversion of a drone brushless motor into a monster fan🔥 Step-by-step tutorial, a spot welder builds super-strong airflow💨, enough wind to take off — the summer cooling wonder02:06
DIY monster fan | Hardcore conversion of a drone brushless motor into a monster fan🔥 Step-by-step tutorial, a spot welder builds super-strong airflow💨, enough wind to take off — the summer cooling wonder
AAWithZ Official1025
Avoid the pitfalls in 1 minute! Beginners building a pack — 3 steps solve the core problems: set the series count ➜ set the parallel count ➜ lock in the BMS. With the AWithZ H2-2026 handheld, even a newbie can weld a finished-grade pack and get safely to the end🚗01:52
Avoid the pitfalls in 1 minute! Beginners building a pack — 3 steps solve the core problems: set the series count ➜ set the parallel count ➜ lock in the BMS. With the AWithZ H2-2026 handheld, even a newbie can weld a finished-grade pack and get safely to the end🚗
AAWithZ Official8891
When 'handheld' meets 'supercapacitor', the limits of welding are redefined. AWithZ HF7 — the industry's first handheld capacitor spot welder, fully tested and revealed01:00
When 'handheld' meets 'supercapacitor', the limits of welding are redefined. AWithZ HF7 — the industry's first handheld capacitor spot welder, fully tested and revealed
AAWithZ Official521

Contests & events

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21700 Power Pack Challenge
21 days left36 entries
Hosted by AWithZ OfficialJoin
Revive-a-Battery: fix an appliance
5 days left63 entries
Hosted by @BlindFixJoin
Outdoor Power Station DIY
Ended715 entries
Hosted by AWithZ OfficialResults
Welding Q&A month
Starts 2026-11-010 entries
Hosted by AWithZ OfficialRemind me
This lesson is all detail for beginners — the chapter of the hand-built Li-ion course that keeps you from getting blown up, bro! Old hands, now it’s your turn to roast me07:14
This lesson is all detail for beginners — the chapter of the hand-built Li-ion course that keeps you from getting blown up, bro! Old hands, now it’s your turn to roast me
CrazyFun253124119
Boston 5300 Li-ion 24V 8P6S pack picked up at a scrapyard, repaired successfully — but no BMS; ordered one online and will test capacity when it arrives03:17
Boston 5300 Li-ion 24V 8P6S pack picked up at a scrapyard, repaired successfully — but no BMS; ordered one online and will test capacity when it arrives
Doomsday Lab2825574
Hand-building a thruster Li-ion pack,02:51
Hand-building a thruster Li-ion pack,
Uncle Sihai17310230
Cells dead after two years without charging — repairing a Xiluopu scooter Li-ion battery04:15
Cells dead after two years without charging — repairing a Xiluopu scooter Li-ion battery
Battery Master Zhang1201361
Back then I was a newborn calf that feared no tiger and nothing ever went wrong; now on the third build I keep ‘blowing it up, bro’ — mainly my own carelessness, but this AWithZ P60F welding pen is longer than the old UF20B one, which gave me two shorts and blackened the pen; if I use it again I’ll wrap it in high-temperature tape, whether it needs cooling or not02:24
Back then I was a newborn calf that feared no tiger and nothing ever went wrong; now on the third build I keep ‘blowing it up, bro’ — mainly my own carelessness, but this AWithZ P60F welding pen is longer than the old UF20B one, which gave me two shorts and blackened the pen; if I use it again I’ll wrap it in high-temperature tape, whether it needs cooling or not
CrazyFun9311617
48V Li-ion battery cell-replacement repair01:44
48V Li-ion battery cell-replacement repair
Battery Master Zhang1032541
Re-celling a 48V Li-ion battery04:52
Re-celling a 48V Li-ion battery
Battery Master Zhang1091648
Stair-climber lithium battery doesn’t last — rebuilding it as a higher-capacity pack02:26
Stair-climber lithium battery doesn’t last — rebuilding it as a higher-capacity pack
Battery Master Zhang761123