Replacement Battery For: LOGITECH G900 Chaos Spectrum and G403 Prodigy RGB Gaming Mouse,533-000130 100% Compatible with original battery; 180 days warranty Capacity: 1000mAh; Nominal Voltage: 3.7V Battery Type: Li-ion Polymer battery; Safe and reliable battery certified by UL, CE, UN38.3, RoHS Over 300 times cycle life; Long working time