p, ensuring pure sine wave output with beyond grid-level stability—ideal for powering sensitive electronics reliably.
Rugged exterior and intelligent BMS for unmatched reliability

Compact, Portable, Lighter than Ever — Works Anywhere
Lightweight and easy to carry, DELTA 3 Max (2048Wh) fits into any setting—from home to the great outdoors. Weighing just 20.3 kg, it’s 13% lighter[10] for effortless portability while still packing serious power.

Deeper Insights, Easier Control
Monitor your energy usage and solar generation—all with one intuitive dashboard. Set timed charging/discharging missions so that you can charge during off-peak hours, discharge during peak rate periods to save costs.


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Net Weight 20.3+0.4kg |
Dimensions (HWD) 494mm×239mm×305mm |
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Rated Capacity 2048Wh 51.2V 40Ah |
Cell Chemistry LFP (LiFePO4) |
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AC Output 120V 60Hz 2400W total, 20A (x4) Max per |
X-Boost 3400W |
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USB-A Output USB-A (x1): 5V-3A/9V-2A/12V-1.5A, 18W Max |
USB-C Output USB-C (x1): 5/9/12/15V-3A,20V--5A, 100W Max |
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Cigarette Lighter Output Port 12.6V, 10A, 126W Max |
AC Input (Charge Only) 100-120V~15A 50/60Hz |
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Maximum PV Input Power(W) 500W |
Charge Temperature 0°C-45°C (32°F-113°F) |
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Discharge Temperature -10 to 45°C (14°F-113°F) |
Operating Humidity 20%-95% |
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Warranty 5-Year Warranty |
Communication Method Wifi 2.4GHz/ Bluetooth5.0 |
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EMC Class B |
UPS <10ms |