Attention: 1. The adapter cannot be used to charge the battery of a power tool, and the adapter cannot be plugged into any charger. If you need to charge the power tool battery, use the original battery charger; 2. For a long time don't use, please separate from the battery, use dry batteries, not wet. Adapter Function: JFQWLE 20V tools adapter can compatible with Bauer 20V slider lithium battery to make them apply to for dewalt 20V MAX XR cordless tools. After insert for bauer 20v battery, this adapter can replacement for dewalt 20v Max lithium-Ion batteries. Well Compatible: The bottom of 20V adapter can compatible with bauer 20v hyper max lithium batteries; Converter top can compatible with dewalt 18V/20V MAX XR cordless power tools. [for De-Walt power tools must be compatible with DCB180, DCB181, DCB182, DCB184, N123282, N123283, DCB201, DCB202, DCB203, DCB204/205, DCB206, 18V/20V(MAX) lithium ion battery models]. Reliable and Convenient: The replacement for De Walt 20v lithium battery adapter is made of PC+ABS material, solid and durable, longer service life. Not 3D printing, Professional compact design and easy installation. Small size and light weight, convenient to carry and store. Size about 4.3x2.76x1.87inch. Responsible Service: If customers have any questions or encounter any problems while using this De Walt 20v max tools adapter, please contact us proactively. We will reply promptly during working hours and do our best to solve your problem. Features: 1. This adapter can compatible with bauer 20v hyper max lithium battery to make them work with for Dewalt 20V cordless tools. and let you enjoy the benefits of extended run-time of Li-Ion Batteries on your existing 20V tools. 2. The bottom of 20V adapter tool can compatible with bauer 20v Hyper Max lithium batteries; After insert for bauer battery, this adapter can replacement for de walt 20V MAX XR lithium ion batteries. 3. Top of 20v adapter can compatible with dewalt 20v li-ion cordless tools, eg. Cordless Drill/Driver, compact cordless Impact hammer drill, Cordless circular saw, Oscillating multi-Tool, Impact Wrench, Reciprocating Saw, etc. Notes: Adapter Can NOT be used for power tool battery charging, it NOT fit into any chargers when adapter with battery. If you need to charge your power tool batteries, please remove this adapter and use the original battery chargers. Package Content: 1x Apapter (Not include batteries and tools)