Title: incompatible with my mp3 player
Product review: I bought this recharger kit specifically for a Sandisk m230 mp3 player. When I first received the kit, I charged all of the batteries. Upon first use I only got 7min. out of each battery, when I got 20 hrs. from the batter sent with the player. I learned online that the batteries still have their charge, but due to the battery's "memory effect" or "voltage depression," my player thinks the batteries have lost their charge after only 7min.If you are buying batteries for an electronic device that detects how much "juice" is left in a battery, do not buy this kit.
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