20% off Universal Battery Tester with Lcd Display £10.39 after Code at Amazon

★ HIGH COMPATIBILITY: It is not only suitable for AA, AAA, C, CR123A, D, 9V, N, CR2, CRV3, 2CR5, CR-P2 cylindrical battery testing, but also good for checking a wide variety of button cell batteries

★ CRISP LCD SCREEN: Easy-to-use analyzer shows what you need to know about your battery's health, it will accurately shows whether the battery is in poor, weak, or good condition of voltage.

★ QUICK RESULTS: Simply place a battery into the decent battery detector, it will shows you quickly the status of your batteries' health by the using black bars, helps you avoid battery damage from unnecessary recharges. DON'T POWERED BY RECHARGEABLE BATTERY NOR TEST RECHARGEABLE BATTERIES

★ REMARKABLY COMPACT: One of the smallest and lightest portable battery checker. A pocket-friendly compact chassis with an anti-slip finish enables a firm grip in your hand for battery checking.

★ WHAT YOU GET: Dlyfull Universal Battery Tester(1x AAA battery included), welcome guide, & our worry-free 18-month warranty and friendly customer service. A living assistant helps you save money as well as prolong the lifespan of all your batteries.