The MX FUEL REDLITHIUM XC406 battery pack provides you with maximum power and runtime for all of your MX FUEL equipment in a compact profile, making MX FUEL equipment solutions the lightest and most powerful in the industry. MX FUEL REDLITHIUM is the hardest working, most reliable power for equipment. REDLINK Intelligence allows the battery to communicate with MX FUEL equipment in application to optimize performance. This battery pack delivers fade-free power, running cool, even through heavy applications. This lithium-ion battery is capable of fully charging in 90 minutes. An onboard fuel gauge displays remaining charge with the push of a button. Thick rubber overmold provides protection for the battery if dropped. This pack is ONE-KEY Compatible. With ONE-KEY, track, manage and secure equipment from your mobile device or computer using the industrys largest Bluetooth community tracking network. If ever lost or stolen, prevent tampering with remote lockout capability. This battery fits all MX FUEL Equipment. The MX FUEL Battery Charger charges the the MX FUEL CP203 Battery in 45 minutes and the MX FUEL XC406 Battery in 90 minutes, reducing downtime and increasing productivity. This battery charger accepts all Milwaukee MX FUEL Battery packs and features REDLINK Intelligence, communicating directly with batteries to monitor cell voltage, temperature, and charge status to optimize the performance while maximizing the lifespan of the pack. An internal fan keeps the charger's electronics components cool during operation. The charger indicates when the battery reaches an 80% charge, providing users with the confidence that a substantial amount of work can be completed without having to wait for a full charge. The charger features an integrated carry handle for easy transport, even with batteries attached.