FLEX 24V Lithium-Ion 5.0 Ah Battery Pack combines intelligent battery management with advanced THERMA-TECH cooling technology to provide a power output that is up to 20% higher than competing models. This battery pack fast charging capabilities, reaching a full charge in just 30 minutes when used with a 280-Watt Rapid Charger (sold separately). With a 5.0 Ah capacity, it features a patented dual-sided fuel gauge that allows you to easily check the battery level from multiple angles. Designed to withstand tough conditions, it includes a shock-resistant build and sealed electronics that protect against drops, dust, and water. The integrated Power IQ technology continuously monitors and optimizes the battery cells for overload protection and peak performance. Additionally, this battery pack is compatible with all FLEX 24V batteries, chargers, and tools, making it a versatile and convenient choice for your power needs. Model Number: FX0121-1