Aernair Lithium Ion Battery Case Parts Replacement for Makita 18v 3ah BL1830 BL1830B 4ah BL1840 BL1840B 5ah BL1850 BL1850B 6ah BL1860 BL1860B Battery, 5.0Ah Plastic Cover Repair Kit with Circuit Board - 5ah Battery Case Cover Box Replacement

• 18v battery case, battery replacement parts, 18v battery replacement parts, battery kit, 18v battery cover, 18v 5.0a, battery circuit board, bl1840, bl1830b-10, bl1860b-10, bl1850b-10, 5ah battery box, 5amp, lxt battery cover, battery conversion kit, bl1830b-10, battery repair kit, bl1840 circuit board, 18v 4ah battery, 18v battery case diy, battery replacement shell. 【Compatibility】18v battery plastic case replacement for BL-xxxx 1830 1830B 1840 1840B 1850 1850B 1860 1860B! Battery cover box compatible with original 18V cordless power tools and chargers. 5Ah battery repair kit can be filled with 10* 18650 lithium ion battery cells to rebuild a new 3ah - 6ah battery easily or replace broken battery parts 【Package Contents, Easily DIY】High quality battery replacement case parts / upgrated safety PCB circuit board / screws / stickers / conductive nickel sheet. 18v battery cover replacement parts includes all battery repair kit except 18650 cells. 【Battery Level Display, Safty PCB Board】1830 1840 1850 1860 lithium ion 18v battery repair pcb circuit board built with 4-LED fuel gauge system allows immediate feedback on state of charge. Upgrated PCB circuit board built-in safety circuit protection(Same as original), fire-resistant materials, sturdy, safe and reliable. 【Worry-Free After-Sales Service】30 days hassle-free return and exchange! 24-hour friendly customer service! Click "Aernair" for more tools and equipments.