This battery adapter for Battery to Battery, Convert 18V Battery to 18V Tool Use.
Compatible with for 18V tools Series P7131, P340, P208, P236, P601, P135, P515, P505, P731 etc. Convert 18V battery Replace P104 P105 P102 P103 P107 P108 batteries.
MT20RNL battery adapter converts for 18v Lithium batteries to 18v Plus Lithium Batteries, use for 18 Volt cordless power tools. Work great as 18v original Lithium Battery, same as the function & compatibility. And lets you enjoy the benefits of extended operating time of lithium-ion batteries on existing 18V tools.
Compatible for 18V lithium BL1860B / BL1860 / BL1850B / BL1850 / BL1840 / BL1830B / BL1830 / BL1820 / BL1815 etc. and fit for 18V System Cordless Power Tools.
This battery adapter built-in high intelligent Protection chips against potential damage caused by over-charging, over-discharging, over-voltage, over-current,short-circuit. fire-resistant construction, complete protection for your home and your devices.

Specification:
Color: green
Material: ABS
And High Quality !
Type:Battery Convertor Adapter
Model:MT20RNL
Rated voltage:18 V
Rated current:3 A
Compatible FOR 18V CORDLESS PLUG TOOLS.

Package Contents:
1 x MT20RNL Battery Adapter