2Packs Upgraded 5.0Ah 18V Bl1850B With Led Replacement Lithium-Ion Battery For Product Details 1?Battery type: Lithium-ion, Voltage: 18V, Capacity: 5000 mAh.Get CE,ROHS UL Certificate. Suitable for Makita 18-volt battery and charger (used with DC18RD DC18SD) 2?Applicable Models? Replace Makita 18V battery BL1860, BL1860B, BL1850, BL1850B, BL1840, BL1840B, BL1830, BL1830B, BL1815, BL1825, BL1835, BL19405, BL19404 Cordless Power Tools Batteries. 3:Battery Protections? Made with high quality battery cells, Built-in protection against overcharge, over-discharge, over-current provides short- circuit protection and constant voltage circuit. 4?LED Charge level indicator: Power display can show remaining power in order to avoid over-charging over-discharging. 5?Professional After-Sale Service 24-hour friendly customer service , Conditional refund or replacement for a new battery if there is any quality problem. Any problem with using the battery, please feel free to contact us. Payment We accept PayPal and credit cards via PayPal. Taxes - US We collect sales tax, as required by law. Shipping We make every effort of shipping within 3 business day of payment clearing. The estimated delivery time is 2 - 5 business days from the shipping date. Policies If you do need to return your item, please contact us via email (you will receive an email when your product ships with additional details - Subject: Important information about your purchase). You will then be provided with a return shipping label and packing slip. Pack the item carefully. Include the packing slip, apply the shipping label, and return the item within 30 business days of the date you request a return, or your return will be canceled. Once we receive your order we will inspect the return. Please allow up to 5 business days of receiving the returned item for your refund.