" Compatible Model: 787, 898, XLp, XLP 818, XLT Compatible Battery Part Number: 510001-099, 600-541 Specifications: Voltage:7.4V Capacity: 7800mAh / 57.72Wh Size: 128.50 x 82.40 x 54.50mm Weight:381.0g Tips Before Purchase: Please double confirm the compatible model and original battery part number before you purchase it. If you are not sure,please feel free to send email to us with your battery details or pictures, we will give you free professional suggestion. Your satisfaction is very important to us,if you have any questions,Please feel free to send eamil contact us,and we will reply within 24 hours. Battery maintenance Tips: After receiving the battery, please charge the battery for 6-12 hours and use it after it is fully charged. please remember, only in 3-5 charge and discharge cycles, to achieve complete performance and life. For bulk order, please contact us by email, thank you!"