For the price of a mid-range Android phone, [Kenneth Finnegan] turned a 50 caliber ammo can into a 50 amp-hour portable power supply. The battery pack uses ... explains the small-gauge wires ...
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Oupes Mega 2 review
Oupes' new Mega 2 portable power station, with a 2048Wh battery capacity and 2500W AC power inverter, brings affordable rechargeable power to the masses. Based on the proven LiFePo4 Lithium ...