Capacity and output are close
RIVER 3 Plus is 286Wh and EB3A is 268.8Wh; both are rated at 600W. Runtime is therefore similar for the same load.
Portability is nearly a tie
Their listed weights differ by only about 0.1kg, so handles, outlet layout, and pack dimensions may matter more.
Choose on features and live price
RIVER 3 Plus has a stronger UPS and expansion story, while EB3A can be compelling when discounted.
- UPS-sensitive electronics: compare transfer requirements
- Lowest entry cost: check EB3A
- Verify US outlet configuration

