Compatible With The Black And Decker 40V Battery Lbx2040 Lbxr36 Lbxr2036 Lst540 Product Details ?[ Upgraded 2X Longer Runtime ]: Type: Lithium-ion | Voltage: 40V | Capacity: 3500mAh | Watt: 140Wh | (Offers 2X More Power than the Original BLACK+DECKER 40v Battery,Makes Your Tools More Runing Time)? 1/2 Lightweight for better handling and less fatigue. ?[ Perfect Replacement For Black and Decker 40V Battery ]: Perfect Replacement for Black and Decker 40V Battery LBX2040 LBXR36 LBXR2036 LST540 LCS1240 LBX1540 LST136W. Makes Your Tools More Runing Time. ?[ Longevity Enhanced Smart Ecp Protection ]: With a Recharge Cycle of 1000 Times and a Mere 1% Self-discharge Rate, The Powilling Replacement for Black and Decker 40V Battery Ensures Flawless Operation for Up to 3 Years. Enhanced by a Battery Management System (BMS), It Provides Effective Protection Against Potential Damage from Short Circuits, Overcharging/Discharging, Over-voltage, and Overheating. ?[ Don't Buy Inferior or Uncertified Batteries ]: Do Not Purchase Low-quality Batteries (Unauthorized Batteries), Be cautious as Batteries May Rurn into 'Bombs.' Powilling all Products are Certified by ??/??/??/???/???/????/???????/??/????/????.?, Fully Certified,Guaranteed Safety. ?[ 1 Year Warranty?Battery Holder ] : Enjoy a worry-free 1-year Warranty with Free Full Refund or Replacement (no repairs).If You Have Any Questions About The Replacement For Black and Decker 40V Battery, You Can Click The "??? ? ????????" On Our Storefront Or In "???? ?????" Options Click The "??????? ??????".We Are Committed To Resolving Any Situation In Which Our Product Does Not Meet Your Expectations. 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.