SinKeu Power Station not 155Wh but about 120Wh

SinKeu Power Station not 155Wh but about 120Wh
• SinKeu Power Station n...
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Power Station Tested:
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Jackery: 20,300 mAh, 290 Wh= 4hrs 41mins
Exoboxx: 39,600 mAh, 150 Wh= 2hrs 40mins
SinKeu: 42,000 mAh, 155 Wh= 2hrs 2mins
114 volts without load
103 volts with 62 watt load
(6 LED light bulbs)
6 LED light bulbs= 62 Watts
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Logs:
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4/22/23 5:56 p.m., 0hr START= 100% battery, 103 volts
4/22/23 6:54 p.m., 1 hr later= 60% battery, 104 volts
4/22/23 7:25 p.m., 1.5 hrs later= 29% battery, 105 volts
4/22/23 7:56 p.m., 2 hrs later= 1% battery, 105 volts
4/22/23 5:58 p.m., 2 hrs END= 0% battery, 0 volts
Note: I rounded the numbers.
Conclusion: This power station is about 120Wh
SinKeu Portable Power Bank with AC Outlet 155Wh, 110V-150W(Peak 200W) Power Station with Fast Wireless Charger, 7 Outputs Backup Lithium Battery for Outdoor Camping Home Emergency
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SinKeu Portable Power Bank with AC Outlet 155Wh, 110V/150W(Peak 200W) Power Station with Fast Wireless Charger, 7 Outputs Backup Lithium Battery for Outdoor Camping Home Emergency