Usage Tips:Compatible with for One+ 18V tools Series P7131, P340, P208, P236, P601, P135, P515, P505, P731 etc.Convert for 20V or for 18V battery Replace for P104 P105 P102 P103 P107 P108 batteries.Compatible with for 18V/20V and for 18V Lithium-ion Battery:Compatible DCB206 DCB201 etc. Compatible 48-11-1811, 48-11-1815, 48-11-1820, 48-11-1822, 48-11-1828 etc. Can quickly convert 20V/ for 18V battery to work for 18V tools.Built-in 5V 2.1A (Max) USB Charging Function.when the mobile phone is temporarily out of power, you can charge the charging treasure function. Notice: This adapter not fit into any chargers.This battery adapter built-in high intelligent Protection chips against potential damage caused by over-charging, over-discharging, over-voltage, over-current,short-circuit.Product Advantages:This adapter can make listed lithium batteries use for 18V lithium cordless power tools,and let you enjoy the advantage of extended run-time of li-Ion batteries on your existing tools.Design is simple, , convenient.For a long time do not use, please separate from the battery.This converter does not support the ability to charge the power WARNING:1.Make sure that the battery is fully inserted for normal use2.Please do not force into the battery pack, if the battery pack can not be installed, the installation method may be wrong3.This product is only compatible with the tools, not compatible with the charger, Do not use the adapter to charge the battery.Material: ABScolour: greenPackage Contents:1 x DM18RL Battery Adapter (Only Adapter, No 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.