This Rechargeable battery is a 12V 4000mah Li-ion Battery and it is specially
designed for powering the system device which use 12V D C power. You can
use this battery to power our powerful wireless transmitter, CCTV
camera and so on. Suitable for your need. Super storage capacity. With
working indicator. Specially designed for the system devices which use
12V power. Built-in ON/OFF switch to save power usage. Large mah value
means long battery life. Over-charge/discharge protected
Battery Charging Method:
Open the battery switch to the "ON" at the red light on the charger
indicates when charging starts (if battery is full charge,the power
green light will remain unchanged); charging time is generally more than
8 hours; until the plug\'s red light becomes green, the battery is fully
pls trun on the switch when charge for this item.And if you want to
measure the voltage,suggest using pointer multimeter.Because digital
measure table easily jump table.
Capacity: 4000mAh (marked), 2800mAh (actual)
Battery type: Rechargeable Li-on battery.
Input voltage: 12.6V
Output voltage: 10.8~12.6 D C
Line interface specification 5.5 2.1 MM
Product life: circulation charge and discharge more than 500 times.
1 x 12V 4000mah Li-ion Battery
1 x charger (EU/US plug)