AC Charger for 36V Lithium Batteries.
This AC charger works for BX3691, BX3693, BX3699 and other 36V Lithium batteries.
This AC charger output connector is 5.5x2.1mm:
Input: AC 100 ~ 240 V 50/60 ( 47~ 63) Hz
Output Voltage: DC 42.0V,
Maximum Output: 1.35A
LED Green <= 300mA
Connector: OD 5.5mm, ID 2.1mm
This battery has a LED indicator: when
the power adapter output current > 300mA, the "Red" LED will light up, it
means it is charging the battery. When the output current <= 300mA, the
"Green" LED will light up, it means the battery is fully charged.