Description Are you looking for a professional, yet affordable battery tester? Are you in search of a sturdy, trustworthy tool that can do multiple works at once? If yes, our professional battery tester must meet your needs. Adopted with safe and gentle material, practical and sturdy, will not easy to damage, easy to carry and operate. Features -Color: White. -Material: ABS, electronic, stainless steel. -Size: About 9.23X6.40X1.38cm/3.63X2.52X0.54inch. -Testing range: D type, C type, AA, AAA, N type, 1.55V button battery, 9V battery (18650 battery is not supported). -Not support 18650 battery, great for testing D type, C type, AA, AAA, N type, 1.55V button battery, 9V battery. -Three color indicates three different results, red light is exhausted, yellow light is too low, green light is sufficient. -Just place your battery between the two points of the battery tester, and the pointer will display the result. -With excellent workmanship and delicate details, will bring you a good using experience. -ABS insulated plastic shell, light and convenient, easy to operate and store. Not support 18650 battery, great for testing D type, C type, AA, AAA, N type, 1.55V button battery, 9V battery. Three color indicates three different results, red light is exhausted, yellow light is too low, green light is sufficient. Just place your battery between the two points of the battery tester, and the pointer will display the result. With excellent workmanship and delicate details, will bring you a good using experience. ABS insulated plastic shell, light and convenient, easy to operate and store.