Samsung Cell Premium Li-Ion 18.5V 10400mAh With Charge Protection is a category best battery pack with inbuilt charge protection. The samsung cell premium batteries are made using original Samsung cells ICR18650-26J of 3.7V , 2600 mah, and maximum 2C discharge capacity.  These battery packs are coupled with highly reliable Protection Cicuit Module which prevents the battery from overcharging and overdischarging. This is a fit and forget battery pack and suitbale for long life and high recharge cycles uptill approx 1000 charges. 

Battery pack Specifications:

• Nominal voltage: 18.5V

• 20 X Li-ion 3.7V 10400mAh cells (5S4P)

• Nominal Capacity: 10400mAh

• Charging current: 5.20A

• Maximum charging current: 10.4A

• Discharging current: 2.08A

• Max. discharging current: 20.8A​

Samsung cell Specifications:

• Standard discharge capacity  : 2600mAh

• Nominal voltage                      : 3.63 V

• Maximum charge voltage        : 4.20 V

• Standard charge current         : CCCV, 1.3A, 4.20V, 20mA or 3hr cut-off

• Rapid charge                          : CCCV, 2.6A, 4.20V, 2.5hr cut-off

• Charging time Standard charge : 180min (@ RT) Rapid charge : 150min (@ RT)

• Max. continuous discharge     : 5.2A (@ RT)

• Discharge cut-off voltage        : 2.75V (End of discharge)

• Cell weight                              : 45.0g max

• Height : Max. 65.00 mm

• Diameter : Max. 18.4 mm

• Operating temperature (Cell Surface temperature)

•  Charge : 0 to 45℃

• Discharge: -10 to 60℃

*Please do not select air shipping for battery as the same is not permitted by airline regulations