Universal Digital Battery Tester Multi-Size Battery Checker is a reliable and easy-to-use tool designed to quickly check the power levels of various household batteries. Compatible with C, AA, AAA, D, N, 9V (6F22), and 1.55V button cells, this compact tester ensures you’ll never be left guessing whether your batteries are good, weak, or ready for disposal.
Built from durable plastic and stainless steel, it requires no external power source—the battery being tested supplies the energy for accurate measurement. The LCD display provides instant, clear results with a tri-color meter (red = poor, yellow = weak, blue = good), making it easy to identify the condition of your batteries.
Features
Compatible with C, AA, AAA, D, N, 9V (6F22), and 1.55V button batteries
LCD display with tri-color indicators (Red – Poor, Yellow – Weak, Blue – Good)
No external power required – battery under test powers the device
Durable plastic & stainless steel construction for long-lasting use
Compact, portable, and easy to operate
Ideal for home, office, workshop, and travel use
Specifications
Testing Range: C, AA, AAA, D, N, 9V (6F22), 1.55V button cell
Working Temperature: 0 ~ 40°C
Package Includes
1 × Universal Digital Battery Tester