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Bike: B'twin Riverside 100 (decathlon 150€)
Motor: Bafang BBSHD with dpc18 colored screen and motorcycle throtle 800€
Batery not shown but is a diy project
52v 20ah 14s7p with Samsung 29E cels, asembeled with a vruzend kit. Outfited with bms and 2 Voltage indicators that shows each series Voltage individualy. Sandwich plates and shrink wraped.
A battery like this costs 1000+€