Features:High capacity rechargeable battery supports long time use.7.4V 5200mAh/10000mAh rechargeable battery.Continue working for 4 hours on a single 10-hour charge.Easily change your old battery for your bait boat.Perfect for control fishing bait boat.Lightweight and portable to carry.Convenient to recharge.Easy to replace and install.Package Includes:1Pc x BatterySpecifications:Material: Lithium Manganese OxideColor: BlueType Optional: 5200mAh/10000mAhSize: approx.69x40x40mm/2.72x1.57x1.57inSize: approx.73x42.7x42.7mm/2.87x1.68x1.68innote:Please allow 1-3mm error due to manual measurement. pls make sure you do not mind before you bid.Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank youAbout Shipping: All items will be shipped within 3 business days after the payment is received. Most times you will receive them within 8-12 days then. The specific delivery time is depend on circumstances.Any questions, please feel free to contact usDuring the shopping process, if you have any questions, please feel free to consult us, we will reply you within 24 hours, wish you a happy shoppingThanks for your cooperation and we'll make you feel satisfied.