The battery's built-in memory chip communicates with the charger to maximize battery life using 3 Active Controls (Current, Voltage & Thermal). With no memory effect, Lithium-Ion batteries can be "topped up" at any time with no affect to battery life. The Li-ion range delivers 430% more working capacity during its lifetime compared to Ni-Cad and is 40% Lighter than Ni-MH.
The Li-ion has minimal depletion of power during use or in storage over its lifetime. Slide on battery - firm holding with multi contacts.
Shock absorbing pack that will not puncture. Remains cool even in heavy use. Same weight as 3.0Ah battery.
Battery Ah: 4.0 Ah. Makita BL1840 4.0Ah 18V LXT Li-Ion Battery. Order before 2pm for same day dispatch. Please note, VAT Invoice is enclosed with every order. Images for illustrative purposes only - please refer to description and specification for full details of product.