Custom Rechargeable Battery Cell and Battery Pack
Norminal voltage：7.4V
Norminal capacity：2200mAh（0.2C discharge to 5.5V）
Battery size：MAX 67.5×37.5×19.5mmCharging limitation Voltage：8.4V
Charging current：1100mA(standard)，2200mA(maximum)
Discharge cut-off voltage：5.5V
Discharging current：440mA(standard)，2200mA(maximum)
Air Sampler Equipment Battery Solution 
Battery model：18650-3S4P-12.4 Ah
Norminal voltage: 11.1V
Battery pack size：38*110*67mm
Battery working voltage range：7.5V~12.6V
Battery assembly way：3S4P
Norminal capacity：12.4Ah (0.2C discharge to7.5V)
Battery working voltage range：7.50V~12.60V
Weight：600g
Cycle life：more than 500 times
Battery working temperature:charging: 0℃-+55℃; discharging: -20℃-+55℃
Charging cut-off voltage：12.6V,
Charging current：1C（maximum）
Discharging cut-off voltage：7.5V
Discharging current：2C（maximum）
Environmental Monitor Battery Solution 
18650 lithium low temperature battery(-40~+60℃)
Battery model: ICR18650-4S4P
Nominal voltage: 14.8V
Nominal capacity: 7200mAh
Standard continuous discharge current: 0.2C
Maximum continuous discharge current: 0.5C
Charging temperature: 0~+45 ℃
Discharging temperature: -40℃~+ 60℃
Size: MAX147.5mm * 67.7mm * 37.2mm
Internal resistance: ≤120mΩ
Protection parameters: overcharge protection voltage / per string 4.25V ± 0.025V
Over-discharge protection voltage 2.5V ± 0.08V
Security Monitor Battery Solution
Cell model: KPL102573-2000mAh 
Battery pack: 2S1P
Normal voltage: 7.4V
Normal capacity: 2000mAh
Standard discharge: 0.2C (continuously)
Maximum discharge： 1.0C (continuously)
Charging temperature range: 0~+45℃
Discharge temperature range: -20~+60℃
Dimensions：21.0 x 26.0 x 77.0mm
Internal resistance: ≤300mΩ
PCM solution：IC- 8242AAF + MOS- D2017
Over-charge protection voltage: 4.30±0.025V/Cell
Over-discharge protection voltage: 2.4±0.05V/Cell
Over current protection：4~5A