Upgrade To The Calihutt 40V 6.0Ah Replacement Battery For The Kobalt 40V Max ??Powerful! 3X Longer Runtime?Arguments:40-Volt 6.0Ah Lithium-ion | Not just a replacement?Actual capacity and top A grade li-ion cells provides 3X longer runtime and stronger power than original battery.(You can get lot done with full charge.) ??Extensive Compatibility Seamless Fit?100% Fits all original Kobalt 40V chargers KRC60-06,KRC40-06? Replacement for all Kobatl 40V Battery KB440-03 KB2540C-06 KB640-03 KB240-06 KB640-06 KB245-06 ?KRC40-06 KB440C-06 KRC60 KRC40-06 KB240-06 ... ? Kobalt 40V Power Tools. ??Upgraded in Longevity?Thanks to its 1000 times recharge cycle and 1% low self discharge rate, the TenHutt battery for dewalt could easily works for up to 3 years without problem.| Doesn't allow the tool to slow down at the end of the charge. ??4 LED indicators Charge Quick?Charging faster ? When you press the button, 4 LED indicators show battery charge and usage levels.|Doesn't allow the tool to slow down at the end of the charge.) ??Safety Assured | Smart ECP Circuit Protect?One of the few battery cell selection with UL cetified in the market of Craftsman replacement batteries, 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* 6.0Ah 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.}