Pack of 2 replacement batteries for BT Cordless Telephones. These rechargeable BT cordless phone batteries are NiMH 1.2V AAA 550mAh. It is quite normal for the charge capacity of rechargeable cordless phone batteries to reduce with time as they wear out, giving you less and less standby and talk time. Once you notice this it is probably time to replace the batteries. The best advice to choose the correct batteries is to replace like with like. So if your BT phone had AAA NiMH 1.2V 550mAh rechargeable batteries in before then these are correct. AAA is the physical size of the battery. 1.2V is simply the voltage. NiMH is the chemical make up of the battery - Nickel Metal Hydride. 550mAh is the capacity or the amount of charge the battery can hold. It is quite acceptable to replace your AAA 1.2V batteries with a slightly different capacity, but we wouldn
How To Replace Cordless Phone Batteries
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