Last items in stock Gigabyte Mobile, Smartphone Battery Li-ion Battery Fits Gigabyte, Gsmart Ms804, Helen, O2 3.7v, 1200mah CS-MS804SL $33.51 The batteries we supply almost always will match the existing batteries capacity. Sometimes there may be a difference due to the availability of components. Ideally both your model number and battery number are listed in the product description if this is the case you can be almost certain that you are ordering the correct battery. If we say it will fit... Add to cart