Lithium Rechargeable Battery for HMD 1) 1100mAh polymer lithium battery 2) Can be used separately 3) Supply power Lithium Rechargeable Battery for HMDSpecifications:1) 1100mAh polymer lithium battery 2) Can be used separately 3) Supply power for our 10series items: GVD310A, GVD410, GVD510 and GVD510A for over 8 consecutive hours4) Charging time: 2.5hrs 5) Charging input: 9V DC Lithium ...