Feature:

1.The jump charger kit for Assist in starting car, fit for Makita 18V batteries :BL1830 BL1840 BL1850 BL1860 series (Notice:Battery not included).For Jump Starting Car Using Tool Battery,Engine12V Auto Battery Booster.  
2.The adapter housing is made of durable ABS plastic material, ensuring long-lasting performance. Additionally, the pure material used for the adapter plugs greatly enhances conductivity and safety during use.
3.Ideal for use with trucks, SUVs, full-size cars, mid-size cars and small/compact cars vehicles. Connect the red clamp to the positive terminal of the battery and the black clamp to the negative terminal for quick and hassle-free operation.
4.: Cables work with top-post and side-terminal 12volt batteries.The 11AWG jump kit cable features a heavy-duty and tangle-free construction, providing reliable power transfer for medium-sized cars, light-duty trucks, and recreational vehicles.
5.: The jumper starter features non-conductive rubber and a dual-grip design, offering better conductivity, tension, and a secure grip during use.

Use ways:
First, charge the car battery for about 2 minutes and then starting the car.
①Connect the red battery clamp of the jumper cable to the positive terminal (+) of the vehicle, and the black clamp to the negative terminal (-).
②Insert the battery into the adapter and ensure it is securely locked.
③Attempt to start the car.
④Disconnect the connection between the car battery and your tool battery after successfully starting the car.

Package Includes:
1 * Car Jump Starters Adapter(battery not included)

Note: 
The power inverter can't charge for your battery. 
please remember to remove the battery when not in use.