Function: MT40MT18 battery adapter converts for Makita 40V lithium batteries to 18v Lxt bl1830 series lithium battery, use Compatible for Makita 18 volt cordless power tools. Fully utilize various high-capacity batteries for longer and more convenient use of Cordless power tool,relax outdoor and indoor working anytime.Superior Compatibility: This battery adapter convert buttom compatible with Makita 40V lithium batteries(BL4040, BL4025, BL4045, BL4045F etc.), Convert top Use for Makita 18V cordless drill,Impact Driver,Brushless, chain saws, lights, blowers tools and other outdoor tool.Safe and Reliable: convert adapter built-in voltage protection chip, comply with FCC RoHS and CE security testing standards, made of ABS plastic, safe and durable.Easy to Install: This adapter is designed to compatible with 18V tools,much easier to remove than original adapters,fits well and work great.An Adapter Not A Battery: This can compatible with 18V battery adapter, Converter can't be used for power tool battery charging, this adapter will not fit into any chargers.(Please remove the adapter before charging battery).About this itemFor Makita 40V Li-ion Battery Converting To for Makita 18V Li-ion Battery Cordless Power Tool MT40MT18 Battery Adapter Converter[MT40MT18 battery adapter] The MT40MT18 battery adapter fits for Makita 40V lithium batteries as a replacement FOR Makita 18V lithium batteries .[Battery compatibility] Our MT40MT18 adapter converter is compatible with For Makita 18V Series Battery Note: The battery is not included.[Safe and reliable] It is made of plastic for robust use. And has several integrated protections for the safety of your tool and batteries.[Easy to use] The MT40MT18 adapter is easy to use. Simply follow 2 steps: Insert for Makita 40V battery into the baseof our MT40MT18 adapter. Pull them together into the base of For Makita 18V power tools for the home garden.⧪ Please remember to remove the battery if y