Attention buyers. These batteries last a maximum of 6 days in a game chamber. Standard batteries (even the cheapest nameless ones) give me 90+ days of run time. These batteries don't hold a charge very long. I bought (16) "D" size batteries and am now stuck with them because I'm past the return date. Your added marked batteries are fully charged, but you should charge them again before storage or use. When I connected them to the charger, they took several hours to fully charge. I should have guessed something at that moment. After about 40 days of storage (not used) neither battery had enough power to work. Since they don't hold a charge very long when stored, it's obvious why they don't last as long as a regular battery with equal use. I rarely write product reviews; but I'll make an exception for her. UPDATE: The company offered to replace the batteries or refund my money. I gave them the chance to replace them. If swappable batteries worked I would reconsider my rating. It's been almost 3 weeks and nothing.
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