Hercules HD03 12V Lithium-Ion 2.0 AH Compact Lightweight Battery exterior 4-Pole High Performance Motor -

4-Pole High Performance Motor - For maximum power in the most compact size

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LONG BATTERY LIFE: This insulation tester has a long 50 hour battery life that lasts for roughly 1000 tests

Efficient - Drives up to 4000 nails per charges

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Hercules HD03 12V Lithium-Ion 2.0 AH Compact Lightweight Battery exterior 4-Pole High Performance Motor -The HERCULES Lithium 2. 0 Ah Battery delivers plenty of power and runtime for the HERCULES 12V platform. The easy view fuel gauge tells you exactly how much power remains before you need to recharge. Easy view fuel gauge displays battery charge level Industry leading li ion battery cells are balanced and tested to meet the highest performance requirements Works with all Hercules 12V cordless tools