DescriptionThis item is a universal mini portable battery checker tester for many kinds of battery. With it you can easily get the current volt of the tested battry, and know which batteries to keep and which to throw away, place your battery between the two points of the battery tester, and the pointer display will indicate that whether there is a battery need to be replaced. Foldable design, easy to carry. Great tool to check power level of all 1.5V and 9V,AA, AAA, C, D and button cell batteries.Features- Easy to read, colour coded meter indicates different power level. Three color indicates three different results: Red=Replace, Yellow=Low power, Green=Good. - Easy to use. Just place your battery between the two points of the battery tester, and the pointer will display the result. - Foldable design and pocket size. Easy to carry and fit into your pocket or bag. - Suitable for checking power level of all 1.5V and 9V disposable batteries and rechargeable batteries, such as No. 5 (AA), No. 7 (AAA), No. 1 (D or L), No. 2 (C or II), AG series button batteries, etc. - With it you can easily get the current volt of the tested battry, and know which batteries to keep and which to throw away.Warm tips:- Please confirm the positive and negative pole of the battery before testing. - The battery tester is activated by the battery being checked. Keep test times as short as possible (Do not exceed 1 minute), to avoid unnecessary battery drain. - Children should use the product under the supervision of adults. - If the pointer does not move, check that battery is touching both contacts before assuming.Specifications- Color: Yellow - Material: Plastic - Product Size: 55 x 53 x 24 mm - Applicable voltage: 1.5V, 9V - Pointers point: Red, yellow, green, from low to high - Style: Pointer - Applicable Battery Model: 1.5V (AAA, for HP16, MN2400, R03, AA, HP7, MN1500, UM3, C, HP11, MN1400, SP11, LR14, UM2, D, HP2, MN1300, SP2, R20, UM1);9V: (PP3, MN1604, 6F22, 006P)