Item Type: Lithium Ion Battery Adapter Material: ABS 1PROTECT CIRCUIT AND PROLONG LIFE: The built in PCBA can protect the circuit well and prolong the service life of the battery adapter, very reliable 2GREAT CONVERSION: This adapter can convert for Bosch 18V slider lithium battery to 18V 20V MAX slider lithium ion battery 3DURABLE ABS MATERIAL: The cordless power tool adapter is made of excellent ABS material, which is strong and durable 4COMPACT AND PORTABLE: Using professional compact design, easy to install, portable and easy to use 5STABLE AND DURABLE: Lithium ion battery adapter has stable structure, excellent performance and long service life1. The converter does not support the ability to charge power tool batteries. 2. Please separate from the battery if will not be used for a long time. 3. Please note that the new type and old type of this product will be sent randomly, and make sure you will not mind before ordering.1 x Lithium IonBatteryAdapter