2PCS B57 NO.5/NO.7 Electricity Tester Battery Box

$40.00

Instructions:Insert the battery into the battery compartment and judge the power according to the indicator light.4 lights on: full battery3 lights on: there is more power2 lights on: low power, small power appliances such as mouse and remote control can...

Availability: In Stock

2pcs

1pc

Qty:

Description

Description

Instructions:
Insert the battery into the battery compartment and judge the power according to the indicator light.
4 lights on: full battery
3 lights on: there is more power
2 lights on: low power, small power appliances such as mouse and remote control can still be used
1 light on: there is almost no power, it is recommended to replace