For Makita BL18 18V Power Battery Jumper Starter 11 AWG Auto Booster Cable Jump
(NO Battery Included). Power: 18V. FIT For Maikta 18V battery: BL1815，BL1815B，BL1820，BL1820B，BL1830，BL1830B，BL1840，BL1840B，BL1850，BL1850B， BL1860，BL1860B，BL1845，BL1890，BL1890B. It is very suitable for traveling.