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Specifications:

Size:97mm*57mm*21mm

Weight:about 250g

Color: Blue

Capacity: 4800mAh. 

Type: DC-12480

 Built-in ON/OFF switch to save power usage 

Input voltage: 12.6V

Input current:350ma (standard) / 1000ma

Output voltage: 12.6-10.80V

Output current:1-2A

The charger input 110-220 - v 
The charger output is 12.6 V, 500 ma (standard) / 1000 ma 
Line interface specification 5.5 * 2.1 MM

Product life: Circulation charge and discharge ≥500 times