Warning: Before placing an order to buy batteries, please check their RC toy battery plug with the size of this battery is 6.0V 2800mAh JST-2P plug AA NiMH rechargeable batteries for the new Huina 540 Dump 520 RC bulldozer and 510 excavator 540 construction truck truck RC toy remote control car battery

Battery precautions:
1. Turn off the device when the battery is low to avoid deep discharge.
2. Be sure to disconnect the battery from the device when not in use.
3. Do not use or charge the battery if it is bloated, swollen, leaking, overheating or any other abnormalities
4. Do not disassemble, puncture, shock or damage the battery. Do not light the battery on fire.
5. Do not overcharge the battery. Improper use, such as short-circuiting or overcharging, may result in an explosion or fire.

Battery parameters:
Battery voltage: 6.0V
Battery capacity: 2800mAh
Battery weight: 110g/1PCS
Battery size: 2.8(in) long X 2.01(in) wide X 0.57(in) thick
Discharge connector: JST-2P plug
Charging connector: JST-2P plug

Charging cable working state:
1: Charger USB interface DC5V
2: Charger output DC 7.0V 250mA
3: LED red light is long: charging
4: LED red light off: fully charged
5: Automatic stop charging when fully charged