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The Steelite 21V 4.0Ah Lithium-Ion Battery delivers strong, reliable power with an 80Wh output, providing extended runtime for both home projects and professional applications.
Engineered to work seamlessly with all STEELITE 20V cordless power tools, offering a versatile and convenient power solution across your toolkit.
Built with high-quality cells and an intelligent protection system to guard against short circuits, overcharging, over-discharging, and overheating. The battery also passes a 1.5-meter drop test for added durability and safety.
A built-in power indicator and heat-dissipating vent design help maintain optimal performance, allowing the battery to cool faster during intense use.
Designed with ultra-low self-discharge technology to retain power over time; for best results, recharge every 3–6 months when stored.
The Steelite 21V 4.0Ah Lithium-Ion Battery delivers strong, long-lasting power with broad compatibility across all STEELITE 20V cordless tools. Built with high-quality cells, smart protection, and durable drop-tested construction, it ensures safe and reliable performance. Its cooling vents and power indicator enhance efficiency, while the ultra-low self-discharge design maintains readiness during long-term storage, requiring only occasional recharging.
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