
RIVER series · All-day desk power
RIVER 3 Max
RIVER 3 Max is the Plus with its extra battery already fitted: 572 Wh that carries a laptop, monitor, router and a pedestal fan through an entire working day.
- Capacity
- 572 Wh
- Output
- 600 W
- Recharge
- 70 min
Prices are quoted on enquiry. Specifications indicative; confirmed at quotation.
What it does
Every feature, plainly.
Two-tier stack
Main unit and battery lock together with pogo pins — no wiring, no fuss.
All-day runtime
About 12 hours for a typical laptop-and-monitor workstation.
X-Boost
Pushes 1,200 W equivalent for high-draw appliances.
UPS mode
Under 10 ms switchover for sensitive electronics.
Fast solar
220 W solar input for off-grid charging in under 3 hours.
App control
Monitor input, output and remaining time in real time.
Specifications
On paper.
- Capacity
- 572 Wh
- AC output (rated)
- 600 W
- X-Boost surge
- 1,200 W
- AC recharge
- 0–100% on AC in about 70 minutes
- Solar input
- Up to 220 W
- Battery
- 3,000+ cycles to 80%
- Outlets
- AC ×3 · USB-A ×2 · USB-C 100W ×1 · Car ×1
- Weight
- 7.5 kg
- Dimensions
- 25.5 × 21.2 × 22 cm
- Expansion
- Add a second battery to reach 858 Wh
Also in the RIVER series
Your contact · Pradeep
Ask about the RIVER 3 Max.
No prices on the site, on purpose — every home is different. Share a few details and Pradeep will come back with a considered recommendation and a quote, usually within a working day.


