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-8% SalePortable 512Wh LiFePO4 power station with 500W pure sine output, 1000W X-Boost, and ultra-fast 60-minute AC wall recharging.
The EcoFlow RIVER 2 Max is a mid-capacity portable power station designed to provide reliable energy independence during persistent grid load shedding, outdoor work, and off-grid remote operations. Engineered with high-stability Lithium Iron Phosphate (LiFePO4) battery chemistry and a robust pure sine wave inverter, it delivers 512Wh of energy storage and 500W continuous AC output (surging to 1000W via X-Boost). It bridges the gap between lightweight emergency power banks and heavy stationary power systems. Designed for sustained cyclic performance, the integrated Battery Management System (BMS) actively monitors individual cell voltages, operating temperatures, and current draws across 54 protection algorithms. This prevents degradation under high thermal or electrical stress, allowing the unit to deliver over 3,000 full charge-discharge cycles. The onboard bi-directional inverter allows a complete 0 to 100% recharge in 60 minutes from a standard 220V AC wall outlet without external brick adapters.
Zener Authenticity Promise: All sitemarks, models, and technical statistics are registered with the factory and verified in our physical laboratory before sale.
Industrial-grade Lithium Iron Phosphate cells deliver over 3,000 full cycles to 80% retained capacity, providing up to 10 years of daily continuous service.
Accepts up to 660W AC mains input to charge from 0% to 100% in 60 minutes, ensuring rapid turnaround between rolling blackouts.
Patented voltage-scaling algorithm allows the unit to run high-wattage resistive heating elements and appliances up to 1000W without triggering inverter overload trips.
Distributes power across 2 pure sine wave AC outlets, 1 bidirectional 100W USB-C PD port, 3 USB-A ports, 2 DC5521 barrel ports, and 1 12.6V car cigarette outlet.
Automatic transfer switch transfers from grid bypass to battery power within 30 milliseconds during sudden blackouts, preventing desktop computers and Wi-Fi hardware from rebooting.
Powers multi-monitor desktop setups, Wi-Fi 6 mesh routers, fiber ONUs, 55-inch LED TVs, and studio audio equipment through extended outages.
Direct fast-charging for camera batteries, field monitors, drone multi-chargers, and high-wattage USB-C editing laptops.
Provides clean pure sine wave power for CPAP machines, oxygen concentrators, and portable insulin refrigeration units.
Onboard MPPT controller accepts 11–50V DC (up to 220W / 13A), achieving a full solar recharge in approximately 3 hours in clear sunlight.
For stationary 24/7 workstation backup, connect the RIVER 2 Max to the wall outlet and limit the maximum charge limit to 85% via the EcoFlow app to extend cell lifespan and reduce high-voltage rest stress.
To charge laptops and mobile electronics with maximum energy efficiency, use the 100W USB-C PD port directly instead of plugging in AC wall adapters; this prevents 10-15% conversion losses.
When pairing with solar panels, verify that the open-circuit voltage (Voc) of the solar array does not exceed 50V DC to avoid triggering the internal MPPT overvoltage protection circuit.
Maintain at least 10 cm of clearance around the intake and exhaust vents on both sides of the chassis to allow proper airflow during continuous 500W load operations.
A1: The EcoFlow RIVER 2 Max can run any combination of devices up to 500W continuous load, such as a 65W laptop, 45W Wi-Fi router and ONU setup, 75W LED television, and 20W fan simultaneously for approximately 2.5 to 3 hours. It can also operate resistive appliances up to 1000W using its built-in X-Boost mode.
A2: The EcoFlow RIVER 2 Max will power a standard 12W home router and ONU setup for approximately 35 to 40 hours continuously on a single 512Wh charge. Calculated as: 512Wh × 0.85 (inverter/conversion efficiency) ÷ 12W total load.
A3: Yes, the EcoFlow RIVER 2 Max functions as an Emergency Power Supply (EPS) with a sub-30ms transfer time. When connected between a 220V wall socket and your computer, grid power passes through to the PC, and the internal relay switches instantly to battery power if the grid cuts out.
A4: The EcoFlow RIVER 2 Max recharges from 0% to 100% in approximately 3 hours when connected to a 220W portable solar panel under optimal direct sunlight. The internal MPPT charge controller maximizes solar harvest efficiency by adjusting dynamically between 11V and 50V DC.
A5: LiFePO4 (Lithium Iron Phosphate) chemistry provides 3,000+ full charging cycles before capacity drops to 80%, lasting up to 6 times longer than conventional ternary lithium cells. It is also chemically stable, non-combustible, and operates safely in temperatures up to 45°C.
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