ZTS MINI-9RL Multi-Battery Tester Tests 1.2v NiMH / NiCd rechargeable [AA, AAA, C, D] 1.5v alkaline [AA, AAA, C, D, N] 9v NiMH rechargeable [8.4 volt nominal] 9v Li-Ion rechargeable 9v alkaline & carbon zinc Patented high Micro-Processor Controlled Pulse Load Test Ideal for electronics, remotes, photo, smoke detectors, games, medical, and more Requires 4AAA batteries (not included) Made in the U.S.A.