HQRP Battery for Philips Avent SCD530 SCD535 SCD536 SCD540 SCD530/00 SCD535/00 SCD536/00 SCD540/00 Digital Screen Baby Monitor with DECT Technology BYD001743 BYD006649 Plus HQRP Coaster HQRP&reg; Rechargeable Battery plus HQRP&reg; Coaster; Battery Voltage: 3.7V, Capacity: 1000mAh; Li-Ion; 200 Days warranty!