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The YSWHSTA P303 is a compact 288Wh portable power station built on LiFePO4 battery chemistry, rated for 4,000+ charge cycles and marketed for thermal stability. It delivers 300W total through two AC outlets, three 12V DC ports, two USB-C ports and two USB-A ports, so it covers phones, laptops, lights, fans and a CPAP. It suits campers, car travelers and home blackout backup who need a small, quiet, fume-free unit. Against rivals in this size class it trades higher capacity for a lower AC output, so appliances that draw more than 300W are out of reach.
In stockSold by Power stationReturns: Sold by a Walmart Marketplace seller; returns go to the seller under the seller's returns policy.
Ratings average 4.4 out of 5 from 53 buyers, who mostly value the LiFePO4 battery, the quiet operation and the spread of ports. Complaints center on the modest 300W AC limit and slow solar recharge.
The YSWHSTA P303 is a portable power station with a 288Wh (15Ah / 19.2V) LiFePO4 battery. It supplies up to 300W total across all ports, so it can power laptops, lights, fans, small appliances and other devices at once. It has no engine and uses no fuel, and it runs without fumes or noise.
It has 9 outputs: two 110V AC outlets, three 12V DC outlets, two USB-C ports and two USB ports. The USB-C input (100W PD) recharges the unit or powers laptops directly. The unit can also be recharged with the wall charger, a car charger or solar input.
A built-in LED light has three modes: SOS, steady light and glitter. The unit weighs 3 kg (6.6 lbs) and measures 211.9 x 157.2 x 211.2 mm.
