This rechargeable Li-ion battery is suitable for Navman S30, S50, and S70 devices. It has a capacity of 1250 mAh and 1250 amp hours, with a voltage of 3.7 V. The battery measures 50.48 x 35.67 x 6.56mm and is made by Cameron Sino, a brand based in China. This battery is perfect for those who need a replacement or an extra battery for their Navman device. Its dimensions are suitable for easy carrying and it is made with Li-Ion chemical composition for a longer-lasting performance. Get this battery today and never worry about running out of power again.