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The OSCAL PowerMax 1800 SE is a 1024Wh portable power station designed for emergency home backup and off-grid use. It delivers 1800W of continuous power and features a fast 0.01s UPS mode to protect sensitive electronics during outages. At $469.99 at Walmart as of November 7, 2026, it offers high output for its price point.
In stock
Lowest price we've seen: $469.99 on Nov 7 at Walmart. Tracked across 1 store since Nov 7.
Users value this unit for its rapid charging speeds and the reliability of its LiFePO4 battery chemistry. It is frequently praised for its ability to handle high-wattage appliances like microwaves that smaller units cannot.
OSCAL PowerMax 1800 SE Portable Power Station | 1800W 1024Wh LiFePO4 Solar Generator The OSCAL PowerMax 1800 SE is a reliable high-performance solar generator built for home backup, emergency preparedness, off-grid living and outdoor adventures. Featuring 1800W continuous output with 3600W surge, 1024Wh EV-grade LiFePO4 battery, 800W high-speed solar charging and ultra-fast 0.01s UPS backup protection, it keeps all your essential devices powered during blackouts, natural disasters and everyday use. Backed by an industry-leading 5-year warranty. Powerful Output & Fast Charging 1800W Rated / 3600W Surge: Runs 99% of household appliances including refrigerators, microwaves and power tools with stable pure sine wave output. 700W Ultra-Fast AC Charging: Recharges 0-80% in 1 hour, fully charged in 1.7 hours from a standard wall outlet. 800W High-Speed Solar Input: Fully recharge in as little as 1.5 hours using solar panels (sold separately). 0.01s Instant UPS Protection: Seamless automatic backup keeps refrigerators, routers, CPAP machines and critical electronics running without interruption. Premium LiFePO4 Battery & Smart Features EV-Grade LiFePO4 Battery: 3,500+ charge cycles at 80% capacity, over 15 years lifespan — 7x longer than traditional lithium batteries. 12-Layer BMS Protection: Comprehensive safeguards against over-temperature, over-discharge, over-charge, overload and short-circuit. 11 Versatile Output Ports: 3×AC outlets, 2×100W USB-C PD, 2×USB-A, 2×DC ports, 1×car port — power up to 11 devices simultaneously. Smart Wi-Fi & Bluetooth APP Control: Monitor battery levels, control outputs and adjust charging settings remotely from your smartphone. Ultra-Quiet Operation (≤50dB): Advanced smart cooling system adjusts fan speed based on load, quieter than normal conversation. Ideal for Every Scenario Perfect for home power outages, hurricane preparedness, CPAP medical backup, camping, RV travel, vanlife, off-grid living and remote job sites. Runtime reference: laptop ~8 charges, smartphone ~65 charges, CPAP ~22 hours, mini fridge ~15 hours, LED lights ~90 hours. What's In The Box OSCAL PowerMax 1800 SE Main Unit, AC Charging Cable, Solar Charging Cable (MC4), Product Manual, Warranty Card. *Solar panels sold separately. Specifications Capacity: 1024Wh LiFePO4 | Rated Power: 1800W | Surge: 3600W | AC Input: Max 700W | Solar Input: Max 800W | UPS Switchover: <0.01s | Cycle Life: 3,500+ | Weight: 34.2 lbs (15.5kg) | 5-Year Warranty
