This item is compatible with the following models: Sony PRS-350, Sony PRS-350S. This item replaces the following types: 1-853-016-11, LIS1459MHPC9SY6. Technical specifications: Voltage: 3.7 volts, Capacity: 900 mAh, Power: 3.3 Wh, Type: LiPo, Color: Black. This item is a high-quality battery that is ideal as a replacement for your defective or old battery, or as an additional spare battery for on-the-go use. A protective circuit and the use of high-quality components provide a high level of safety against overcharging and short circuits. This allows the battery to achieve a higher number of charge-discharge cycles, resulting in a longer lifespan for your new battery. The use and charging of the battery is straightforward, as usual, via your standard charger/power supply. Only new quality brand cells are used. For all listed items, unless explicitly stated in the title or item description, these are not original accessories but products from third-party manufacturers. All listed company names, brand names, and trademarks are the property of their respective manufacturers and are used solely for clear identification.