Digital Battery Capacity Indicator Portable for D C AA AAA Button Batteries Storage & Handling Equipment 4V USB charging cable SM-4P

4V USB charging cable SM-4P plug

Fit for : for RJ11 Female Jack

and do not disassemble by yourself

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Digital Battery Capacity Indicator Portable for D C AA AAA Button Batteries Storage & Handling Equipment 4V USB charging cable SM-4PITEM NAME: Digital Battery Capacity Indicator Portable for D C AA AAA Button Batteries img *{margin: 0; padding: 0;. This battery tester is a great gadget for instant testing battery capacity. Suitable for detecting all 9V D battery, C battery, AA battery, AAA battery, and button batteries. 1 Piece Battery Capacity Tester.