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Rechargeable batteries are a great solution to power your Wildlife Acoustics recorders as they save a great deal of waste. However, if you get the wrong ones they will not work well. Most rechargeable batteries are designed for toys or other equipment where longevity is not critical. Also, many lower-end batteries will have a high self-discharge rate which means they lose power quickly, even when they are just sitting on the shelf.
Provided that you get the best batteries available, they will still not work well if you donât recharge them correctly. There is a wide variety of chargers on the market. Low-end chargers will not fill batteries to their capacity and will not refresh them as is periodically required.
We recommend that our customers make sure to purchase high quality batteries from a reputable source that have a low self-discharge rate and high output. We recommend and sell the IMEDION line which are the best we have come across. Be sure to get a good charger and follow the directions included. As far as chargers go, we recommend and sell the MaHa MH-C808M which can charge 8 batteries at a time and has modes for soft charging and reconditioning batteries.