Application PDA, Pocket PCs & GPS Original Brand Navman Chemistry Lithium Ion Voltage 3.7V Nominal Capacity 1500mAh Brand Master (this product is a compatible alternative to that of the original brand) Width 35.1mm Height 7.7mm Length/Breadth/Depth 50.03mm Weight 27g Suitable For: Navman iCN510 Navman iCN520 Navman iCN530 Navman iCN550 Navman iCN620 Navman iCN-N20 Navman iCN-N40i Navman iCN-N60i Compatible With: Navman E3MT07135211