Charging Walmart Booster Electric Bike 48 Volts

Using four Walmart Booster LiPo 12V batteries in series, I have a 48 Volt supply for the rear wheel 1,000 Watt hub motor.

Each 12 Volt battery has its own BMS to charge balance the 3 LiPo cells in it.

In a few seconds I can connect four ac/dc chargers to each battery and set a 6 hr timer to fully charge the bike.

See the bike here: https://youtu.be/y6MAb-vjwpU
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