The FLEX 24V Stacked Lithium battery platform offers industry-dominating power and performance. Kit includes 24V battery and charger.
- THE FLEX STACKED LITHIUM ADVANTAGE - 200% more power with 24V Stacked Lithium, 300% longer battery life with THERMA-TECH+ heat management, 100% faster charging, 100% cross-compatible with all FLEX 24V tools and chargers
- 200% MORE POWER - Outperforms traditional lithium, unleashing power that changes everything
- POWER IQ - Intelligent power management enables higher discharging for unrivaled power
- 100% FASTER CHARGING THAN TRADITIONAL LITHIUM - Fully charges in as little as 20 minutes
- 300% LONGER BATTERY LIFE - Battery lifetime lasts four times longer than traditional lithium
- THERMA-TECH+ HEAT MANAGEMENT - Minimizes heat for maximum runtime
- FLEX 24V CROSS-COMPATIBILITY - Compatible with all FLEX 24V chargers and tools
- FLEX FOUNDERS LIMITED LIFETIME WARRANTY - Register your new FLEX tool, battery, or charger within 30 days of purchase through December 31, 2022 to receive a limited lifetime warranty
- Weight: 5.51 LBS
Product tested for California Pro 65 compoundsYes
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- Weight: 5.51 LBS
- Voltage: 24V
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Flex FX0421-1H 24V STACKED LITHIUM STARTER KIT How would you rate this product?
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Michael B. Verified Customer 
04-21-25 - canada
David B. Verified Customer 04-19-25 - canada
