
DELTA 3 Classic 1024Wh vs SOLIX C2000 Gen 2 2048Wh
The useful question is not which battery is bigger, but which power profile fits the way you plan to use it.
2026 specification snapshot


SOLIX C2000 Gen 2 2048Wh
The decision in one minute
Choose DELTA 3 Classic 1024Wh +220W Panel for lower-capacity, carry-friendly jobs; choose SOLIX C2000 Gen 2 2048Wh when runtime headroom matters more than size.
Capacity leader: SOLIX C2000 Gen 2 2048Wh Portability leader: DELTA 3 Classic 1024Wh +220W Panel AC output leader: SOLIX C2000 Gen 2 2048Wh
Specs-based comparison
A side-by-side reading of published specifications, limited to specification fields and calculated estimates.
| Specification | DELTA 3 Classic 1024Wh +220W Panel | SOLIX C2000 Gen 2 2048Wh | Specification edge |
|---|---|---|---|
| Battery capacity | 1,024Wh | 2,048Wh | SOLIX C2000 Gen 2 2048Wh |
| Listed weight | 18.74 lbs | 41.7 lbs | DELTA 3 Classic 1024Wh +220W Panel |
| Maximum solar input | 220W | 200W | DELTA 3 Classic 1024Wh +220W Panel |
| AC output | 1800W | 4000W | SOLIX C2000 Gen 2 2048Wh |
| Battery chemistry | LiFePO4 | LiFePO4 | Tie |
Which one should you buy?
Buy DELTA 3 Classic 1024Wh +220W Panel if:
- you prefer the smaller-capacity power profile for shorter sessions
- lower listed weight (18.74 lbs) matters
Buy SOLIX C2000 Gen 2 2048Wh if:
- you want the larger 2,048Wh capacity
- you need the higher listed AC output (4000W)
Runtime estimate by use case
| Device scenario | DELTA 3 Classic 1024Wh +220W Panel | SOLIX C2000 Gen 2 2048Wh |
|---|---|---|
| Full-size refrigerator120W average planning load | ~7.3 hours | ~14 hours |
| Home office180W combined load | ~4.8 hours | ~9.7 hours |
| CPAP + router55W combined load | ~15 hours | ~31 hours |
| Television + lights140W combined load | ~6.2 hours | ~12 hours |
| Portable cooler45W average planning load | ~19 hours | ~38 hours |
Method: nameplate capacity x 0.85 / device watts. The 15% allowance represents typical conversion and system overhead for planning. Actual duration depends on load behavior, temperature, battery state, and power mode.
FAQ
How are the runtime estimates calculated?
Each estimate uses 85% of the nameplate watt-hour capacity, then divides by the stated device load. It is planning math based on specifications, not a measured result.
Can SOLIX C2000 Gen 2 2048Wh run a CPAP overnight?
At a 40W planning load with the humidifier off, the estimate is ~43 hours. Heated tubing or a humidifier can materially increase consumption.
Can DELTA 3 Classic 1024Wh +220W Panel run a refrigerator?
Its listed AC output is 1800W. If the refrigerator's running and startup demand stay below that limit, the planning estimate at a 60W average load is ~14 hours.
Which model is the stronger fit for refrigerator and router support?
SOLIX C2000 Gen 2 2048Wh has the larger published capacity. Confirm that its 4000W AC rating also covers the starting and continuous load of your appliance.
Which is better for a compact camp setup?
DELTA 3 Classic 1024Wh +220W Panel has the portability advantage by listed weight, while SOLIX C2000 Gen 2 2048Wh provides more stored energy. Pick the constraint that matters most for this use case.