Usage Tips:Wide Application: The car battery charger jump starter has a wide range of applications, making it suitable for mini cars, golf carts, camping lights, lawn mowers, preparing fishing boats for water and night fishing, and providing power for outdoor activities. Adapter Compatibility: The power wheel adapter is perfectly compatible with the Lithium Ion for Makita series battery, such as BL1820B, BL1830B , BL1840B, BL1850B, BL1860B, BL1815N and more, etc. Excellent Quality: Our battery adapter is made of durable ABS plastic. It has tinned copper wire cores for excellent conductivity. Note: Please do not reverse the operation of the jumper starter. Be careful when using this product as it cannot be overloaded. Please check the power requirements of your equipment before use. Please note that the Jumper Starter does not convert or step down voltage. Convenient Storage: The Makita jump starter is designed to be highly portable, with a compact and lightweight design for convenient storage. Colour:As Shown Material:Plastic Package Contents: 1 * for Makita Lithium Battery Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.