Custom Battery Design

We offers full Custom Battery Design support to help in creating a battery pack that perfectly suits the product.

Battery Solution

18650 7.4V 7800mAh Lithium ion Battery Solution for Air Quality Monitor

Portable air quality monitor are conveniently and quickly used for monitoring air quality after multi-city moving, air quality after emergency treatment,irregular sampling of major polluting enterprises.

Applicable environment Applicable occasion Outdoor
Working temperature/humidity 045; 3085%RH
Storage temperature/humidity 045; 3085%RH
Special performances Requirements of charge and discharge under high/low temperature 045 charge; -2060 discharge
Other requirements Shelf life 1 year
Explosion-proof grade /
Water-proof grade /
Dust-proof  grade /
Number of drop test /
Electrical characteristics Work voltage range 6.0~8.4V
Capacity 7800mAh
Work time 10hoursless than 50 circles
Dimension MAX:143.8*59.5*23mm
Work current 780mA
Max Start-up current 1000mA  start time  10ms
Max continous work current 780mA
Power frequency and time Use frequently
Power management /
Certification of finished product and environmental requirements GB31241-2014(CQC), UN38.3, RoHS
Battey solution Battery specification 18650/2S3P/7800mAh/7.4V
Battery cell 18650/2600mAh/3.7V
PCB amd components IC BQ40Z50-R1
MOS AO4468/CJQ4406
others /
Encapsulation mode Basic protection   
Specification Nominal Voltage 7.4V
Nominal Capacity 7800mAh
Dimension 143.8*59.5*23mm
Internal resistance ≤200mΩ
Weight 300G
Charge current 1.56A
Continous discharge current 3.9A
Protective current Discharge8~9A
Charge voltage 8.4V
Cut-off voltage 5.5V
Life Circle Charge at 26mA, discharge at 26mA, life circles≥300times ,the recharageable capacity low down to 80%
Charge temperature 0~45℃
Discharge temperature -20~60℃
Storeage temperature -15~30℃
Protective temperature /
Main Features The battery is installed in the air quality monitor.Which have protective function such as over charge, over discharge, over current etc.
Images of battery pack  Air Quality Monitor battery