Powerextra&trade; Makita 4.8v 2000mAh Ni-CD Replacement Battery For MAKITA 6041D 6041DW 6043D 6043DWK Compatible Part Numbers 678102-6 New Replacement Battery 4.8V 2000mAh battery for Makita 6041D Charging at any time will have no effect on the battery Sixteen firm holding contact terminals reduce the risk of power loss/fluctuation Built-in shock-absorber and memory chip Please contact us with any questions or concerns - we are here to help! (Phone service is available)