ALLPOWERS 6000 Watt Surge 3168 Wh LiFePO4 Portable Power Station Solar Inverter R3500

Details

The ALLPOWERS R3500 is the power station the portable backup market has always needed at this capacity tier: a 3,168Wh LiFePO4 unit with a 3,200W continuous pure sine wave inverter, a 6,000W surge rating, and more charging flexibility than most comparable units on the market — at a price point that undercuts both EcoFlow and Jackery at equivalent specifications. For homeowners who've lived through a multi-day grid outage and vowed never to be that unprepared again, for RV owners who want to dry camp without running a generator at midnight, and for anyone building toward genuine energy independence, the R3500 sits squarely in the sweet spot where capacity, power output, and long-term value converge.

At 3,168Wh (48V 66A), the R3500 carries enough capacity to run a standard refrigerator (averaging roughly 150–200W cycling) for 12 to 15 hours before needing a recharge, power a CPAP machine through two full nights without touching solar, or keep lights, a router, a television, and phone charging running for well over a day during an outage. The 3,200W inverter handles the surge demands of motor-starting loads — refrigerator compressors, sump pumps, power tools — without the thermal shutdown events that plague underpowered stations when faced with inrush current. And the 6,000W surge rating means you can start a window AC unit or a table saw without babysitting the load or worrying about tripping the BMS.

What separates the R3500 from competitors at a similar price is its dual-input architecture. Combining AC wall power and solar input simultaneously pushes total charge input to 4,000W maximum — filling the 3,168Wh battery in roughly one hour under optimal conditions. Solar-only input accepts 12–150V MPPT at up to 40A and 2,000W max, meaning a pair of SP037 400W panels or a single SP039 600W panel can bring it from empty to full in around two to three hours of strong sunlight. Four distinct charging methods — AC, solar, car/DC, and generator — give you a fallback for every scenario, including extended grid-down situations where solar becomes your primary source. The built-in UPS function transfers to battery in under 15 milliseconds, fast enough that CPAP machines, desktop computers, fish tanks, and aquarium pumps never register the transition.

The R3500 is also expandable in a way that matters for long-term thinking: pairing it with one B3000 expansion battery doubles total capacity to 6,336Wh, extending runtime through multi-day outages without purchasing a second inverter or control unit. Wi-Fi and Bluetooth connectivity feed into the ALLPOWERS app for remote monitoring, port control, and real-time power data. The LiFePO4 cells are rated for 3,500+ cycles to 80% capacity — more than nine years of daily use — and the battery management system monitors voltage, current, and temperature continuously to protect cells in every condition. At 93 lbs (530 x 360 x 345mm), it's designed to stay in one place, but the dual-handle design makes two-person repositioning straightforward. A 5-year manufacturer warranty covers the unit from day one, and ALLPOWERS backs the purchase with a 30-day return window.

Features

• 3168Wh capacity;
• 3200W Pure Sine Wave Inverter (6000W peak);
• Maximum 4000W dual input in 1 hour (AC + Solar);
• Maximum 2000W solar charge in 2.5 hours;
• 4 ways to charge (AC/Solar/Auto/Generator/Double AC+Solar);
• 15ms uninterruptible home backup UPS;
• Long-life LiFeP04 battery with over 3,500 charging cycles;
• Expandable with 1x B3000 expansion battery;