The MX FUEL™ XC406 Battery/Charger Expansion Kit is an essential addition for professionals looking to maximize their power and efficiency on demanding job sites. This kit includes the MX FUEL™ REDLITHIUM™ XC406 Battery, designed to deliver fade-free power with cool operation, ensuring consistent performance for heavy-duty applications. Paired with a rapid charger, the battery recharges fully in just 90 minutes, minimizing downtime and boosting productivity. The XC406 Battery features a durable construction with a thick rubber overmold for impact resistance, along with an onboard fuel gauge for convenient charge monitoring. Fully compatible with all MX FUEL™ equipment, the kit also integrates with ONE-KEY™ technology, allowing users to digitally track, manage, and secure their power system for enhanced reliability and convenience.