Technology Limited was founded in 2000 in Hong Kong, over 15 years battery manufacturing experience, and sell well in Europe and America. ?Compatible models? DECT 300, DECT 400, DECT 400-20, DECT 400-40, DECT 800 ?Compatible Part Number? 84743411, AH-AAA600F, P11, T016 ?Better Quality?: Each of our batteries has strict standard quality inspection, high capacity and high voltage make the battery more stable and durable.?After-sales Service?Your satisfaction is important to us, please feel free to contact us with any question, 24*7 Email support. ?Quality Certification?ROSH, CE and UL triple certification. No memory effect, over-charge, over-discharge, over-heat, over-current and short-circuit protection. ?Battery Parameters? Dimension:46.30 x 32.00 x 10.50mm GrossWeight:61g. ?Battery Parameters? Volts:3.6V Type:Ni-MH Capacity:700mAh. ?Compatible Replacement Model? DECT 300, DECT 400, DECT 400-20, DECT 400-40, DECT 800.