Li-ion battery; 630mAh / 2.3Wh / 3.6V. The battery is compatible with the following models: Sony Cybershot DSC-W310, DSC-W320, DSC-W350, DSC-W380, DSC-WX5, DSC-TX5, DSC-TX7, DSC-TX9, DSC-T99. High safety is ensured by integrated heat and overcharge protection. 100% compatible with the original battery NP-BN1. The battery is equipped with brand cells of quality class A, which have an extremely high density. This contributes to very long battery life. A high level of safety is guaranteed by continuous quality controls at the production facilities on-site. The original charger can be used to charge the battery. This battery is a high-quality replacement product from the brand PATONA - not an original.