How Long Will the EcoFlow Delta 3 Max Run a 12V Car Fridge?
Updated 2026-10-17 · Yes
The numbers
| Battery capacity | 2048Wh (LFP) |
|---|---|
| Usable energy | 1884Wh (92% via 12V/USB DC output) |
| Continuous AC output | 2400W |
| Surge rating | 3600W |
| 12V car fridge running watts | 45W |
| Startup watts | 60W |
| Average draw | 18W |
| Estimated runtime | 4.4 days |
| Energy per day of typical use | 432Wh |
2048Wh × 0.92 = 1884Wh usable ÷ 18W average = 104.7 hours
Station specs: source, checked 2026-10-17. See how we calculate runtime.
Adjust the numbers
Check the label on your 12V car fridge and enter its real wattage.
Recharging with solar
The EcoFlow Delta 3 Max accepts up to 500W of solar input. In real conditions that harvests about 1.9 kWh on a sunny day (5 peak-sun hours), or about 750Wh with one 200W panel.
Solar can keep up. A 12V car fridge uses about 432Wh a day at 24 hours of use, so with enough panels and good sun the EcoFlow Delta 3 Max can run it indefinitely.
Tips
- Compressor coolers like Dometic, ICECO and BougeRV plug into the 12V car port, which skips inverter losses entirely.
- Running it from the EcoFlow Delta 3 Max’s DC port instead of the AC outlet avoids inverter losses: about 143Wh more usable energy.
- The EcoFlow Delta 3 Max uses LiFePO4 (LFP) cells, rated for thousands of cycles, so running it down daily won’t wear it out quickly.
Other power stations running a 12V car fridge
| Power station | Capacity | Output | Runtime | Verdict |
|---|---|---|---|---|
| Goal Zero Yeti 1500X | 1516Wh | 2000W | 3.2 days | Yes |
| Jackery Explorer 1500 v2 | 1536Wh | 2000W | 3.3 days | Yes |
| Jackery Explorer 2000 Plus | 2042Wh | 3000W | 4.3 days | Yes |
| EcoFlow Delta 2 Max | 2048Wh | 2400W | 4.4 days | Yes |
| Anker SOLIX F2000 | 2048Wh | 2400W | 4.4 days | Yes |
| Bluetti AC200L | 2048Wh | 2400W | 4.4 days | Yes |
| Bluetti AC200MAX | 2048Wh | 2200W | 4.4 days | Yes |
| Bluetti Elite 200 V2 | 2073Wh | 2600W | 4.4 days | Yes |
FAQ
Will the EcoFlow Delta 3 Max run a 12V car fridge overnight?
Yes. Eight hours uses about 144Wh, roughly 8% of the EcoFlow Delta 3 Max’s usable capacity.
How long does the EcoFlow Delta 3 Max take to recharge with solar?
With its maximum 500W of solar input it refills in about 5.5 hours of strong sun. With a single 200W panel, expect about 2.7 sunny days (14 hours of full sun).