18V 5 Cell 18650 Battery Case Kit Replacement BL1850 BL1830 BL1860 Plastic Housing Shell Full Set Power Tool Battery Parts

This complete 5-cell 18650 lithium battery housing kit is perfectly compatible with Makita 18V power tool batteries, replacing BL1820 BL1830 BL1840 BL1850 BL1860 battery packs. The full set includes plastic upper & lower shell, 5S BMS protection circuit board, display PCB, metal conductive terminals, fixing screws, spring, plastic button and all mounting accessories. Ideal for DIY battery repair, old battery pack refurbishment and custom lithium battery assembly.