BN-VF823 replacement battery BN-VF815 replacement battery extended battery Battery PartnerItemModelPartner with Original Battery ModelPrice(USD)Remark1ATB-FH71 7.2V ... 3. it can extend capacity ,user do not need to buy high capacity anymore ,just slim battery plus our batterypartner ,it ... is easy to use than before with cable replacement battery, with cable ,the charger connectors is easy to ...