5S 4.2v li-ion battery full charge balancer board

Product Description

Solder Joint Description:

B – Connect the negative of the battery pack

B1 Connect the battery 1 to the contacts in battery 2

B2 Connect the battery 2 to the contacts in battery 3

B3 Connect the battery 3 to the contacts in battery 4

B4 Connect the battery 4 to the contacts in battery 5

B5 Connect the battery pack positive