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Every Rated Specification, Verified by Real World Testing.

At Auline, product performance is presented through real test data and verified results rather than inflated specifications.

All Auline batteries are tested using the NEWARE CT 4004 5V300A, a professional battery testing system, to accurately measure and document actual capacity and discharge performance.

No inflated capacity. No exaggerated performance.

Just real data, so you know exactly what to expect from the battery you receive.

21700 A45 4000MAH 4S 14.8V 45A XT60