High-Precision Lithium Battery Capacity Tester

Accurately measures voltage levels for 1S to 7S lithium-ion batteries (4.2V–29.4V) with a clear LED/LCD display. Features industrial-grade chips for reliable readings within ±0.1V tolerance.

Premium Build with Advanced Protection

Durable ABS casing and gold-plated contacts resist corrosion. Integrated reverse-polarity and over-voltage protection safeguards both tester and batteries.

Multi-Application Compatibility

Essential for RC drones, electric scooters, solar power banks, and DIY battery packs. Quickly diagnose charge levels during maintenance or fieldwork.

Bulk-Optimized for Resellers & Workshops

Compact design (5x3cm) ships flat for logistics efficiency. Sold in wholesale bundles—ideal for electronics retailers or repair centers stocking reliable testing tools.