Specifications: Voltage:4.8V Rate:19.20Wh Type:Ni-MH Capacity:4000mAh Net Weight: 306.4g / 10.81oz Gross Weight:456.4g / 16.10oz Size:198.70 x 27.35 x 27.00mm
If you are not sure, please send email to us with your battery details or pictures, we will give you professional suggestions, and we will reply within 24 hours.