OSS W09 Pro V3 Battery Efficiency Pop-up Tester
Precision-engineered tool for quick battery efficiency analysis without external cables. Features high-sensitivity voltage detection with ±0.01V accuracy, compatible with iPhone 11-15 ProMax. Durable ABS shell with anti-slip grip for secure handling. Simplifies battery health checks and data modification for repair shops, resellers, and tech enthusiasts. Plug-and-play design saves time—no additional adapters needed. Exclusive bulk pricing for wholesalers. Global shipping, factory-direct quality, unmatched affordability.