TalentCell Rechargeable 12V 6000mAh/5V 12000mAh DC Output Lithium ion Battery…
Capacity: total 66.6Wh ( 11.1V 6000mAh, or 3.7V 18000mAh ). 12v DC port: Inner Positive(+), Outer Negative(-). Multiple Protection, keep battery safely. The size of our battery output port and power cable are DC5521.