M12-B6-REDLITHIUM-ION-Battery-Pack-12V-6-0 Ah-Li-ion-Milwaukee-Power-Tools-4932451395-p-The-Milwaukee-M12-B6-REDLITHIUM-ION-trade-Battery-Pack-is-fitted-with-REDLINK-trade-Intelligence-&-overload-protection-which-prevents-the-user-from-damaging-their-tools-It-has-a-temperature-control-cell-frame-that-keeps-the-battery-at-an-ideal-temperature-range-to-provide-maximum-life-There-is-a-waterproof-protection-barrier-a-rubber-overmould-&-shock-responsive-separators-to-protect-the-battery