Tons of batteries all over the house yet cannot find a good to replace? Still have no idea which battery to keep and which to throw away? Things seem to be running a bit slow? Still running slow after you replace the batteries? Get WUJUN Battery Tester to help you find useful battery! Test batteries in seconds, tells you when its time to get a new. User-Friendly ---Easy to read ---Quickly test battery level ---Compact size and lightweight design ---Self-powered, no need internal battery WUJUN Battery Tester can be used to test the following sizes : 1.5V-----AAA,HP6,MN2400,RO3,AA,HP7,MN1500,UM3C,HP11, MN1400,UM2,D,HP2,MN1300,UM1 and Cell Button Type batteries. 9V ----- PP3,MN1604,6F22,006P Features Size: 11 6 2.5 cm Require no battery for operation Battery Size - 1.5V| 9V Good: 1.5V-1.28V| 9V-7.8V Low Power: 1.27V-1.15V| 7.
