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充电宝 / 户外电源 · DIYReal builds and repairs made with AWithZ welders. Each project has a step-by-step digest with key frames, a welding recipe card and comment insights extracted from the original video.
Building a car jump-starter power bank from 8 tabless Ampace JP40 cells06:29
Building a car jump-starter power bank from 8 tabless Ampace JP40 cells
Xiao Wa39777913535
A primary-school kid builds a 20,000mAh power bank — a 20,000mAh high-capacity, fully transparent cyberpunk-style one for a neighbor02:38
A primary-school kid builds a 20,000mAh power bank — a 20,000mAh high-capacity, fully transparent cyberpunk-style one for a neighbor
Student Shuyang39058231584
Teaching you the 8-cell car jump starter02:30
Teaching you the 8-cell car jump starter
Xiao Wa28328921972
Building a car jump starter from supercapacitors + lithium cells — the cells store energy, the supercapacitors deliver the big current; 21700 4000mAh cells in 2P4S, 2.7V 360F supercapacitors, two together should push past 100A instantaneous, CCA estimated 500+, should start a 2.4L car; final assembly and test next08:43
Building a car jump starter from supercapacitors + lithium cells — the cells store energy, the supercapacitors deliver the big current; 21700 4000mAh cells in 2P4S, 2.7V 360F supercapacitors, two together should push past 100A instantaneous, CCA estimated 500+, should start a 2.4L car; final assembly and test next
Doomsday Lab31475137
No more slow phone charging — for under ¥100 I built a 100W flash-charge power bank that supports multiple fast-charge protocols09:29
No more slow phone charging — for under ¥100 I built a 100W flash-charge power bank that supports multiple fast-charge protocols
GGoodnight33343122
Homemade jump starter: a DIY car emergency power supply, turning a bought Bluetooth-speaker shell into a car jump-start pack04:38
Homemade jump starter: a DIY car emergency power supply, turning a bought Bluetooth-speaker shell into a car jump-start pack
Doomsday Lab274107124
Homemade jump starter, DIY car emergency power — turning a bought Bluetooth speaker shell into a car jump pack04:38
Homemade jump starter, DIY car emergency power — turning a bought Bluetooth speaker shell into a car jump pack
Doomsday Lab274107124
A home-made jump starter from 18650 cells — only 2C cells, picked up for ¥20-odd on the Douyin store; DIY car emergency power, built into a bought Bluetooth-speaker shell03:36
A home-made jump starter from 18650 cells — only 2C cells, picked up for ¥20-odd on the Douyin store; DIY car emergency power, built into a bought Bluetooth-speaker shell
Doomsday Lab19868108
Anyone else burned by a power bank? I went for a battery spot welder — power-bank freedom! Totally hooked01:25
Anyone else burned by a power bank? I went for a battery spot welder — power-bank freedom! Totally hooked
Chubby Li~412210