Bosch Gba18V40-2Pk 18V Core18V Lithium-Ion 4 Ah Advanced Power Battery, 2-Pack This 2 Pack features two Bosch CORE18V 4 Ah Advanced Power Batteries, each of which is a compact battery delivering power in a lightweight solution. It allows you to get the power and lose the weight. The GBA18V40 delivers high power in a compact size for standard to medium-duty applications, such as drilling into concrete, metal and wood; metal grinding; cutting and even light-duty chipping. It delivers 2x the runtime and 60% more power compared to BAT612 18V 2 Ah battery. The GBA18V40 is designed with high-power Lithium-ion cells, featuring a single layer of enhanced 21700 cells for greater battery efficiency. Cutting-edge battery design ? includes copper end plates, power rails and a flexible circuit board for reduced resistance and increased efficiency. This Advanced Power Battery has the Bosch-exclusive CoolPack? 2.0 technology, which cools the battery faster and helps provide longer lifetime compared to Bosch 18V batteries without CoolPack? 2.0. This compact battery weighs only 1.10 Lbs. but provides performance comparable to much heavier batteries in a lightweight solution. It is compatible with Bosch 18V tools and chargers and the AMPShare? System. It also has a high-resolution charge-status indicator. Product Features LIGHTWEIGHT SOLUTION: Allows you to get the power and lose the weight in a compact battery POWER AND RUNTIME: Delivers 2x the runtime and 60% more power compared to bat612 18v 2 ah battery HIGH-POWER LITHIUM-ION CELLS: Features a single layer of enhanced 21700 cells for greater battery efficiency CUTTING-EDGE BATTERY DESIGN: Includes copper end plates, power rails and a flexible circuit board for reduced resistance and increased efficiency BOSCH-EXCLUSIVE COOLPACK 2.0 TECHNOLOGY: Cools the battery and helps provide longer battery lifetime compared to non-coolpack bosch 18v batteries COMPACT OPERATION: Weighs only 1.10 lbs. but provides power for standard to medium-duty applications, such as drilling into concrete, metal and wood; metal grinding; cutting and even light-duty chipping CHARGE-STATUS INDICATOR: Features high resolution for clear visibility BOSCH 18V BATTERIES ARE COVERED BY A THREE YEAR LIMITED WARRANTY: For details, visit https://rb-pt.io/powertoolwarranty or call 1-877-bosch99 AMPSHARE SYSTEM: Compatible with the ampshare system, a battery system designed to be multi-brand compatible across many cordless products to make managing your work day easier AMPSHARE SYSTEM COMPATIBILITY: 18V batteries and chargers are compatible with bosch 18v power tools and a growing list of cordless products from ampshare brands Shipping: Shipping is complimentary within the lower 48 US States. We Do Not Ship to PO/APO Boxes, HI or Alaska We Do Not Ship Outside of the Continental US All items ship within 24-72 hours of Payment For large items that require Freight shipping a valid phone number is required to call and schedule your delivery Terms of Sale and Feedback: Feedback is extremely important to us and If you are satisfied with our transaction, please take a moment to leave Positive Feedback. YOUR Satisfaction is our #1 Priority! If there are any issues, PLEASE contact us BEFORE leaving a neutral or negative rating so that we may resolve any concerns. We PROMISE we can make you happy if you give us a fair chance. Returns / Concerns: All items qualify for returns within 14 - 30 days of receipt. Buyer is responsible for return shipping on any item that is not damaged Please be sure this is an item you want before making your purchase. Customer Satisfaction is our TOP priority! All items are IN STOCK at time of listing. Inventory changes constantly and it is impossible to maintain a perfectly accurate count of all items. Please do not penalize us if we have to issue you a refund! Thank You For Your Business!