E-Scooter / E-Bike (12V/24V) DIY Charger with Current & Volt Meter

thingiverse

Simple 12V/24V booster charger for E-Scooter, E-Bikes or for something else. Charger MAX INPUT voltage is 30V as monitor power supply range is 4-30V. Booster https://www.banggood.com/Geekcreit-400W-DC-DC-High-Power-Constant-Voltage-Current-Boost-Power-Supply-Module-p-1286872.html?rmmds=myorder&cur_warehouse=CN Mini Digital Voltage And Current Meter https://www.banggood.com/Geekcreit-Mini-Digital-Voltmeter-Ammeter-DC-100V-10A-Voltmeter-Current-Meter-Tester-Blue+Red-Dual-LED-Display-p-1416489.html?rmmds=myorder&cur_warehouse=CZ I use charger to charge my e-scooter from 12V Solar system and in the car. Remember to first check/calibrate charger display, use mutlimeter to measure the booster output and adjust charger meter to show same voltage, current might need also calibration. Booster output power: 12V * 5A = 60W / 42V = 1.4A, i tweak my charger for 1.2A max. 24V * 5A = 120W / 42V = 2.8A, i would use max 2.5-2.4A ish. Of course you build this charger at your own risk, i am not responsible for any damage. Orginal design: https://www.thingiverse.com/thing:4545724