Cheap unregulated chinese batteries with improper wiring, cheap BMS boards with no thermal protection compound with cheap chargers without improper charging profiles.
There is a big trend on Amazon these days towards cheaper and cheaper goods with most battery related tech being sold without proper safely certifications, often coming straight from China.
greensasquatch t1_iuepx4h wrote
Reply to Fires from exploding e-bike batteries multiply in NYC — sometimes fatally by zsreport
Cheap unregulated chinese batteries with improper wiring, cheap BMS boards with no thermal protection compound with cheap chargers without improper charging profiles.
There is a big trend on Amazon these days towards cheaper and cheaper goods with most battery related tech being sold without proper safely certifications, often coming straight from China.