High-Precision 4-Channel Lithium Battery Capacity Tester & Equalizer

Professional-Grade Accuracy
– Features 0.1% voltage resolution and ±0.05% current precision for reliable 18650, Li-ion, and LiPo battery testing.
Multi-Channel Efficiency
– Simultaneously tests and balances 4 batteries (5V 50A max per channel), saving time for labs, DIY projects, and e-bike/solar storage maintenance.
Robust Aluminum Housing
– Durable CNC-machined enclosure with heat dissipation fins ensures stable performance under heavy loads.
Smart Protection Suite
– Auto-cutoff for overvoltage, reverse polarity, and short circuits, backed by reinforced silicone wiring for high-current safety.
Wide Compatibility
– Works with 3.7V-4.2V cells (18650/26650/21700) and supports capacity grading, cycle life testing, and pack rebuilding.
Bulk-Optimized Packaging
– Ships in shockproof foam for wholesale orders, ideal for electronics retailers, repair shops, and renewable energy suppliers.
Global Compliance
– CE/FCC/RoHS certified, compatible with universal 100-240V input for worldwide use.
Data-Ready Design
– Includes USB-C for firmware updates and optional PC software integration (sold separately).