Use Ex protection design which complies with ib ⅡB Ex standards.
Specifications of BL1703-Ex
Specifications
Dimensions(H×W×D) mm 115.73 mm x 56.6 mm x 22.3 mm
Weight about 160.5g
Nominal Capacity 1700 mAh
Nominal Voltage 7.4V
Operating Temperature 0℃ to 45℃(charge); -20℃ to 60℃(discharge)
Storage Temperature -20℃ to 60℃ (for one month); -20℃ to 45℃ (for three months); -20℃ to 25℃ (for one year)
Battery Life Cycle 400 times
Anti-explosion levels ATEX and FM