Review on Cordless BT175242 BT275242 Presidian CPB 472J by Mandy Tyrrell

Because these AA batteries are NiMH, they don't tend to lose charge capacity compared to NiCd batteries. Also, they are designed for a higher charging capacity of 1600 mAh, while the replaced NiCd are only rated for 750 mAh. Same 2.4V and AA size so perfect for a phone but easier to use in a phone for short calls and then charge fully without worrying about battery "memory effect" due to partial discharge - / to make loading cycles. NiMH batteries are also more environmentally friendly as they contain no toxic materials.