Real Large Capacity: Battery Type: Lithium Ion
Voltage: 18V
Measured Capacity: 4000mAh
Battery cell: 5 * Grade A battery cell
High-Power discharge: up to 15Ccapability, perfect for tools needing sustained high power
Packing: 2 Packs battery
offers 2X running time as the original 2000mAh battery Universal Compatibility: Replacement for Makita 18V Battery BL1840B, BL1860B, BL1850B, BL1830B, BL1815, BL1825, BL1835, BL1845, LXT400, 194205-3, 194309-1, 194204-5, LXT-400,etc. Perfectly compatible with Makita 18v tools and Makita Charger DC18RD DC18SD Great Performance: LED indicators support checking battery power dynamically. So that easy to recharge the batteries timely. BMS controls the battery to prevent overcharge and over-discharge Multiple Protection: Obtained FCC CE RoHs certification. No memory effect, Can be charged or discharged as needed without loss of capacity. Built-in Protection against overcharge, over-discharge, over-current, provides short circuit protection and steady voltage circuit Support Service: Provide 1-year After Sales and 7*24-hour service. Any issue and problem please feel free to click the "ORDER ID" options and click the "Worthmah". We are at your service! Worthmah 2 Pack 4000 mAh 18 Volt Battery Replace for Makita 18V Lithium Ion Battery BL1840B BL1815 BL1850B BL1860B, Compatible with makita 18v Charger and Cordless Power Tools