The Hailong Battery Charging Cable is a high-quality 4-pin male to XT60 female battery cable designed specifically for lithium-ion batteries. Made with durable 13 gauge material, this cable is compatible with Hailong brand batteries and includes one item in the set. Perfect for electric bicycles and other cycling components, this cable ensures efficient and reliable power transmission for your battery charging needs. Ideal for sport enthusiasts looking for reliable and compatible charging solutions for their lithium-ion batteries. Be aware of the two pins on the back one is positive one is negative be sure this is the correct cable. You can’t just plug it into the battery as is or it will arc and ruin the battery those need to be covered up or wired in for your application