14 4 replace battery
At first, release 4 pcs
screw of the battery
cover. use cross
screw driver, Then,
open the battery
cover, you can bring
the battery from scale,
use iron solder off wire, bring new battery, use iron to solder the battery, (Attention:
red line to positive electrode, black line to minus electrode), after check anything,
plug the connector for power and try to turn on the power, if scale work correctly,
replace battery completely.