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Features of 36V 20Ah Hailong downtube ebike battery:

1.High energy density

2.Long lifecycle:above 500 times

3.With 5V USB output which can charge for smartphones and other 5V digital products

4.Current of BMS can be customized

5.Safe: The li-ion electric bike battery is more safe and reliable than the lead acid one. It does not explode or burn when bump, heavy stress, needle pricking, short circuit, overcharge and overheat.

6.Intelligent charge system: voltage of each cell can be detected ,each cell can be protected against overcharge, overvoltage ,short circuit and overheat , and so that battery can be charged balance. The capacity of readout power volume :each battery has 4 LED lights to readout the capacity of the battery.