DELTA 3 Classic

If you need reliable off-grid or backup power for a fridge, tools, laptops and phones without hauling a noisy petrol generator, this kind of portable power station solves that problem. The DELTA 3 Classic pairs a roughly 1kWh LiFePO4 battery with high AC output and very fast charging so you can get back to full power in an hour between uses. ## What makes it worth it The Classic's 1,024Wh LiFePO4 pack gives long calendar life and a high cycle count compared with typical lithium‑ion options, and EcoFlow quotes ‘10+ years’ of daily use. Its 1,800W continuous AC output (3,600W surge) and X‑Boost support let you run refrigerators, microwaves and heavier appliances that smaller 1kWh units struggle with. X‑Stream AC charging returns the battery to ~80% in under an hour, and the unit includes a 100W USB‑C PD port and a built‑in 10ms UPS function to protect sensitive electronics. The bundled 160W solar panel lets you recharge with sunlight for extended trips. ## Where it falls short The Classic is not the most expandable or highest‑capacity option in EcoFlow’s line — if you want multi‑day off‑grid power without recharging you’ll need a larger Delta 3 variant or extra batteries. The included 160W panel is convenient but slow compared with 200–400W panel bundles sold with higher‑end kits, so pure solar recharge times are long unless you add more panels. Buy this if you want a compact, fast‑charging, long‑life 1kWh station that can handle heavier AC loads for camping, RVing or emergency backup; skip it if you need multi‑day, expandable home backup or fastest possible solar recharge.

£599