EcoFlow
EcoFlow EcoFlow RIVER 3 Plus Smart Extra Battery (286Wh)
Direct answer: EcoFlow EcoFlow RIVER 3 Plus Smart Extra Battery is a portable power station with 286 Wh and output specifications listed below.
$159.00
$209.00
$0.56/Wh
Sold by EcoFlow US
Last updated: Dec 23, 2025Region: US
Price history
Current Price
$159.00
Best Recorded
$159.00
Only one price recorded so far — $159.00.
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Specifications
Capacity
286 Wh
Battery Type
LiFePO4
Weight
7.26 kg
AC Outlets
0
USB-C Ports
0
USB-A Ports
0
Cycle Life
3,000 cycles
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See EcoFlow RIVER 3 Plus Smart Extra Battery side-by-side with alternatives on the cost-per-watt chart.