Just wanted to share my 20V power supply solution that I made that works well for me.
The upfront cost was $138 + tax, which includes a charger and a 96Wh portable Li-ion battery.
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Key features:
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? Air travel approved (under 100WAh)
? Shock protected
? Uses 18650 Samsung cells
? Easy to charge
? Built-in charge display
? More compact than LiFePO?
? Weighs only 680g
? Dual purpose if you have other HF power tools.
? Comes with a 3-year warranty!
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A few photos:
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A shopping list:
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Igor