Review on EBL BT-446 Cordless Phone Battery - 1000mAh 3.6V Ni-MH Replacement Battery for Cordless Phone BT-446, BT-1005, TRU8885, TRU8885-2 (Pack of 4) by Ryan Reed

Capacity: 800mah (original) VS 1000mah (these and similar replacements). Its capacity is 200 mAh more than the original. They are slightly smaller than the original, so they fit much better. I buy a few extra and keep them in the fridge for about $2.50 each. I just replaced it 21 months before it couldn't be charged for more than the few days it takes to get a new one from Revain. In addition, when you buy from Revain you can buy those batteries that won't charge or charge, have wires that are short or missing, don't have a plug or a plug that doesn't match, even if the color matches the outlet, you can always get Revain return within 30 days. .