• ✔【Powerful & 3X Longer Runtime】Arguments:40-Volt 4.0Ah Lithium-ion | Not just a replacement！Actual capacity and top A grade li-ion cells provides 3X longer runtime and stronger power than original Kobalt 40V battery. (You can get lot done with full charge.)✚ 1/2 Lightweight for better handling and less fatigue.
• ✔【Extensive Compatibility & Seamless Fit】100% Fits all Kobalt 40V Max Tools and Kobalt 40V chargers[Support fast charging] ✚ Replace for all Kobalt 40V Series Battery
• ✔【Upgraded in Longevity】Thanks to its 1000 times recharge cycle and 1% low self discharge rate, the TenHutt battery for Kobalt could easily works for up to 3 years without problem.| Doesn't allow the tool to slow down at the end of the charge.
• ✔【Excellent Performance】 This 40V 3rd-Lithium battery are Smaller and lighter than common replacement batteries, yet delivers longer runtime and fade-free power.
• ✔【Safety Assured】One of the few battery cell selection with UL cetified in the market of Kobalt MAX 40volt replacement battery, equipped with battery management system(BMS) that can effectively protect the battery from potential damage caused by short circuit, over-charge/discharge, over-voltage and over-heating.
• ✔【 What You Get ？】1* 4.0Ah Replacement Battery for Kobalt 40V Battery 1* User Manual Excellent Service: {Free refund or replacement for 1.5 year !!} & {24*7 hours prompt after-sales service.}