Batteries and chargers keep cordless tool platforms running through full shifts on the job site. Designed for runtime, fast recovery, and platform compatibility, these products support linemen, electricians, contractors, and maintenance crews who depend on cordless equipment across utility, construction, and industrial work. Lithium-ion battery packs are available in compact sizes for overhead and confined work and in high-capacity formats for sustained high-draw applications like rotary hammers, saws, and breakers. Rapid and multi-bay chargers cut downtime between packs and let a crew cycle batteries continuously rather than waiting on a single charge. Onboard electronics communicate between pack, tool, and charger to manage temperature, balance cells, and protect against overload, which extends usable pack life. Starter kits pair packs with a matched charger for outfitting a new tool or a new hire, while bare replacement packs cover fleets already standardized on a platform. Vehicle chargers and power supplies extend the same system to trucks and remote sites without shore power. From daily tool rotation to storm response, batteries and chargers determine how long a cordless fleet stays productive.