Note：Before purchasing, please measure the width of the refrigerator battery compartment and choose a suitable battery for yourself
3 battery-about 5.5cm wide
4 battery-about 7cm wide
Features:
Introduced German technical solutions, with a large capacity of up to 13600MAH Escort your insulin cooler box equipment
Innovative four-section 18650B battery Battery life exceeds 10 hours
3 batteries: Equivalent to 3 times the general surge batteryWith low energy consumption technologyit can work continuously for 8 hours
4 batteries: Equivalent to 3 times the general surge batteryWith low energy consumption technology it can work continuously for 10 hours
Package includes:(As you chose)
1.package ：3 battery*1
2.package ：4 battery*1
3.package ：3 battery*2
4.package ：4 battery*2
5.package ：3 battery*1+4 battery*1
