Portable Power Station 1200W Surge, 288Wh Lifepo4 Battery Solar Generator, Power
Note that actual usable capacity is 288Wh × 0.86 (conversion efficiency) ≈ 247.68Wh. For example, a 300W device runs for about 0.82 hours (approx. 49 minutes). How long will the 288Wh battery last?.