Customized Polymer Li-ion Battery: 7.4V 54Ah (399.

Customized Polymer Li-ion Battery: 7.4V 54Ah (399.6 Wh) with 20A PCMPacking Customize 7.4V, 54AhLi-Ion battery,is made of12 pcs Polymer Li-Ion Cell: 3.7V 9000 mAh (PL-809797) , 9A drain rate The battery pack is wrapped by heavy duty heat shrink tubeVoltage Voltage: 7.4V (working) 8.4V ( peak)5V ( cut-off) Capacity 9000 mAh min. (53 wh) Protection TwoPCM (20A) installed with the battery pack and protects the battery from Overcharge (>8.4V) Over-discharge (<5.0 V) Over drain (>30Amp) Short circuits 2 x is installed tolimit max. discharging current at14A and to protect wrong polarity Pre-wired 6.0"18 AWG open end wires Max.Discharging Rate 18Amp limited by2polyswitches Dimensions (LxWxH) 129mm(5.1") x 105mm(4.1") x92mm(3.8") Weight 4.9lb (2223 grams) Smart Tips You shall choose this customizeto recharge this battery pack. The estimated charging time is14hours Warning Li-Ion battery may be exploded if misusing. We are not responsible for any damages orlosses caused by misusing (included but not limited to:improperly charging/discharging, any changes of this battery pack, miss-assembling battery packs). Always charge battery with attention. Battery pack shall be placed on a fire-proof place to avoid any accident Please check battery polarity before connect to device.