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This review is from: Delkin Devices DD/BATTEST MULTI RoHS AA/AAA Battery Power Tester (Electronics)
This battery tester works perfectly for normal, rechargeable, and the newer pre-charged rechargeable batteries. I tested this unit against another brand that doesn't work under a current load and the Delkin was spot on. The Delkin is small and lightweight; I keep it a camera bag I carry all day and it adds virtually no weight. It has a good build quality. I would definitely recommend this product.