Packaging Two pieces of high quality 2200mAh Lithium 18650 cells with Protection Circuit Module (PCM) and PTC circuit protection
Nominal Voltage 3.7V
Capacity Typical 4400 mAh (0.2C discharge)
Minimum 4400 mAh
Charging Voltage 4.2V  +/-0.05V
Standard Charge Current 1320mA (0.3C)
Max. Current Charge 4400mA
Discharge 3500mA  (limit by PTC)
Ambient temperature Charge 0 deg C to 45 deg C
Discharge -20 deg C to 60 deg C
Storage -5 deg C to 35 deg C
Discharge Cut-Off Voltage 2.7V
Nominal Weight Approx. 92g
Dimensions approx. 70mm H x 40mm W x 19mm T
One Protection Circuit Module Overcharge >4.2V
Overdischarge <2.5V
Current Limit 3.5 amp (limited by PTC)
Short Circuit Protection
Thermistor 10 K Ohm located in between cells
PTC Overcurrent Circuit Protection Polyswitch SRP350F (2A protection)or STP350 (equivalent)
Wiring & Connection Approximately 2 x 6″ in length. 20 AWG open wires (RED (+) & Black (- or com)