18650 Battery Capacity & Internal Resistance Tester

Precision Testing
– Measures battery capacity (0-9999mAh) and internal resistance (0-999mΩ) with ±1% accuracy for reliable diagnostics.
8-Channel Efficiency
– Simultaneously tests up to 8 lithium batteries (18650/26650/16340) with independent slots, saving 80% time vs single-channel testers.
Auto Charge/Discharge
– Built-in 2.4-inch LCD displays real-time voltage, current, and cycle data; supports 0-5V/1A adjustable charging.
Industrial-Grade Build
– Reinforced ABS casing with copper alloy contacts ensures durability for lab, DIY, or e-bike battery maintenance.
Global Compliance
– CE/FCC certified; compatible with 3.7V Li-ion, Ni-MH, and LiFePO4 cells—ideal for hobbyists, repair shops, and bulk battery resellers.
Lowest Bulk Pricing
– Wholesale-ready with volume discounts; ships globally from bonded warehouses for fastest logistics.