Phone Battery - designed for Nokia, 1500 mAh Does your mobile phone run out of battery when you need it the most? The AVACOM for Nokia E55, E52, E90, Li-Ion 3.7V 1500mAh (replacement for BP-4L) Phone Battery makes a reserve power supply. It is compatible with Nokia mobile phones, more specifically E90, E52 and E55. The Lithium-ion (Li-ion) Battery ensures a capacity of 1500 mAh, which enables a longer battery life. To keep this mobile phone battery running at its full capacity, you should follow the guidance on proper usage. Main Parameters of the AVACOM for Nokia E55, E52, E90, Li-Ion 3.7V 1500mAh (replacement for BP-4L) Battery Restores the original battery capacity of your smart phone Suitable for Nokia phones, specifically E90, E52 and E55 With a capacity of 1500 mAh, and intensity of 3,7 V Article: Lithium-ion (Li-ion)