Item: Replacment battery case kit for makita Features: with LED indicator Fit for 10pcs 18650 cells, PCB Circuit Board with single cell protection test. Compatible Models: For Makita BL1830 BL1840 BL1850 LXT400 194205-3 194230-4 Only for people who have practical experience in battery assembly. Color: black Material: plastic Package Contents: 1pc x Battery Case Kit.(Without battery cell) Only the above package content, other products are not included. Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.