ZB2L3 18650 Lithium Battery Tester – Precision & Durability
High-precision digital display for accurate voltage measurement (0-4.2V) with ±1% error margin. Rugged ABS shell with anti-slip grip ensures long-term durability. Ultra-compact design (78x46x24mm) for portability—ideal for fieldwork, DIY projects, and lab testing. Backlit LED screen guarantees visibility in low-light conditions. Universal compatibility: tests 18650, AA, AAA, and button cells. Gold-plated contacts resist corrosion for consistent performance. Direct-read results within 2 seconds—no setup required. Essential for engineers, hobbyists, and bulk battery distributors. Wholesale-ready: OEM/ODM support available. Bulk discounts apply.