Single 4.2V Display Electric Vehicle Battery Power Tester
Precision-engineered for 1-8S Li-ion batteries (3.7V per cell), featuring a high-accuracy voltage display (0.01V resolution) for real-time monitoring. Rugged ABS casing with reinforced solder joints ensures durability in harsh environments. Ideal for EV maintenance, DIY battery packs, and RC hobbyists. Simplifies capacity checks with auto-calibration for 1S-4S configurations. Compact, lightweight design (45g) fits portable toolkits. Direct factory pricing—bulk orders available for workshops and distributors. CE-certified, compatible with 18650/21700 cells.