Power Bank

Power Bank

thingiverse

Here's a power bank with seven lithium-ion batteries, each with a voltage of 3.7v, taken from a laptop battery and connected in parallel. I don't know the total mAh of the power bank, but I can assure you it charges well. It has a 5v boost regulator connected to a standard USB output and a micro-USB input for recharging. Print Settings Printer: Geeetech M201 Rafts: Doesn't Matter Supports: Doesn't Matter Resolution: 2.5 Infill: 100%

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