Amazon.com: Synergy Digital Power Tool Battery, Compatible with DeWalt DC920KA Power Tool, (Ni-MH, 7.2V, 3000mAh) Ultra High Capacity, Replacement for DeWalt DE9057 Battery : Tools & Home Improvement
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Dewalt DC020 DC212 DC212B D Yellow & Black 3000mAh Replacement Battery: BatteryClerk.com Power Tool