Best solar generator: five station-and-panel kits ranked by what a day of sun puts back

“Solar generator” is the customer’s name for a power station sold with a folding panel, and the panel is the half the box oversells. A 200 W panel is a 150 W panel in real use, by the maker’s own planning figure, and a day of sun through it puts back about 600 Wh. So the kits below are ranked the way a kit should be judged: usable watt-hours in the battery, what the panel really delivers, how many sun-hours a refill takes, and how much more panel the station can accept. Every figure is from the maker’s page and dated on the card.

The arithmetic every kit is judged on

Three numbers, all on the solar guide. Rated watts are measured under laboratory conditions; EcoFlow’s own guidance is to expect about 75% in real use, and this site uses that figure for every maker. Usable watt-hours are the sticker at 85% inverter efficiency, per the usable capacity guide. And the station’s solar input ceiling caps how fast any number of panels can refill it.

Kit	Usable Wh	Panel, rated and real	Sun-hours to refill	Wh back at 4 sun-hours	Solar ceiling
DELTA 2 Max, 2 x 220 W	about 1,741	440 W, about 330 W	about 5.3	about 1,320	1,000 W
Jackery 1000 v2, 200 W	about 910	200 W, about 150 W	about 6.1	about 600	not stated
DELTA 2, 220 W	about 870	220 W, about 165 W	about 5.3	about 660	500 W
AC180, 200 W	about 979	200 W, about 150 W	about 6.5	about 600	500 W
DELTA Pro 3, 400 W	about 3,482	400 W, about 300 W	about 11.6	about 1,200	2,600 W

Sun-hours are peak sun hours, the number of hours of full-strength sun a location averages: four to six in a U.S. summer, two to four in winter, before weather. A refill figure above six means the kit as sold does not refill in a day.

Match the kit to the job

Essentials through a multi-day outage. A refrigerator, phones, router and a CPAP come to about 2.5 kWh a day on the 3-day plan. The DELTA 2 Max kit’s two panels put back about half of that on a clear day, which turns its 1.7 kWh into a battery that lasts as long as the sun keeps coming; every single-panel kit puts back a quarter. Tick your list in the sizing calculator with the solar option on and it prints the gap.

One appliance, one week of camping or a garage. Any 1 kWh kit. The Jackery has the most reviews and the lightest station; the DELTA 2 is the one to pick if an extra battery is in the plan; the AC180 has the most watt-hours for the least money and a 500 W ceiling for a second panel.

A well pump, a 240 V circuit, an inspector. Only the DELTA Pro 3 kit, and read its row honestly: one 400 W panel is a token against 3.5 kWh. Budget for three more panels or a generator input, and for the transfer switch a licensed electrician installs; the expandable roundup covers the station itself.

What the kit adds, and what it does not

A kit saves buying the panel and the cable separately and usually prices the panel below its standalone listing. It does not change the station’s ceiling, its surge rating, or its cycle life, which is why the spec strip on each card is the station’s and the panel’s figures are in the blurb. Two things a kit never includes: a way to keep the panel aimed at the sun for six hours, and any output at night. A unit that also charges from the wall or a vehicle, which all five do, is the one to own; solar is the top-up, not the plan. The 2 kWh stations that anchor the top kit are compared as stations, without panels, on the 2 kWh roundup.

What we left out

Anker’s C2000 Gen 2 and Bluetti’s Elite 200 V2 bundles are new listings under 50 reviews, so they sit as honorable mentions rather than ranked picks. EcoFlow’s DELTA 3 Plus kit with the 220 W panel had no buy box on the check date. Jackery’s 2000-class kits were unavailable at Amazon. No kit’s maker states a UL 2743 listing for the station; the DELTA Pro 3’s UL 9540 is the only listing printed here, and the certification guide explains what it covers.