Packing	Customize 18.5V 2.4 Ah Li-Ion Battery pack is made of 5 pcs High quality Sanyo/LG/Other Top Brand Korea 2400mAh Li-Ion 18650 Cell with specific cell arrangement The battery pack is shrink wrap
Voltage	Voltage: 18.5V (working) 21V ( peak) 12.5 V ( cut-off)
Capacity	2400 mAh min. (44.4 wh)
Protection	One PCB (9A limited) installed with the battery pack and protects the battery from Over-charge (>21V) Over-discharge ( < 12.5 V) Over drain ( >9 Amp) Short circuits One 220 Amp polyswitch installed to limit max. discharging current at 2.0A and to protect wrong polarity One 55o thermostat is installed in charging terminal to double protect battery pack from overcharging
Pre-wired	18.0" 24 AWG open end wire
Max. Discharging Rate	2.0Amp limited by polyswitch
Dimensions (LxWxH)	5.31" (135mm) x 2.18" (55.4mm) x 0.85" (21.7mm)
Weight	235 g (8.3 Oz )
Smart Tips	You may choose our 1.5A Universal Smart Li-Ion battery charger to recharge this battery pack. Must charge the battery pack from its charging terminal. The estimated charging time is 2 hours
Warning	Li-Ion battery may be exploded if misusing. We are not responsible for any damages or losses caused by misusing (included but not limited to: improper charging/discharging, any changes of this battery pack, misassembling 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 plug battery into light. For safety warning please see the link here