UDPOWER C400 Portable Power Station
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256Wh
400W
6.3 lbs
4,000+ cycles
- Emergency Jump Starter – 3-Second Rescue: Revive dead batteries instantly with 400A peak current, even in low-temperature weather—no polarity risks. Works on cars, motorcycles & RVs (12V battery). Your ultimate roadside lifeline.
- 400W AC + 800W Surge (UD-TURBO Tech) – Powers 99% of devices (laptops, mini-fridges, CPAP) with pure sine wave. No damage to sensitive electronics!
- 256Wh LFP Battery (4000+ Cycles) – Lasts 10x longer than Li-ion. 80% capacity after 3000 charges. Ideal for long-term use!
- 165W Hyper Charging – 0-80% in 1.5 Hours: The fastest recharge in its class: combine the 96W DC adapter + 65W USB-C input for 165W total charging power. Prefer solar? Pair with a 100W solar panel (sold separately) for infinite off-grid energy. Includes a Battery Saver Mode to prolong lifespan during routine use.
- 7 Output Ports + Solar Ready – 2x AC outlets, PD3.0 USB-C, 18W USB-A, 12V car port, DC5521. *150W solar input for off-grid adventures!*
- Ultra-Quiet & Lightweight (6.3lbs) – 50% quieter than competitors. Fits in backpacks for camping/RV/blackouts. Take power anywhere!
- Safety First – UL2743/PSE/FCC certified. Overload/temperature/short-circuit protection. Kid & pet-friendly design!
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We strive to ship all available items within 24 hours of your order. However, dispatch times may vary during weekends or holidays.
30-Day Returns Policy
We hope you'll love your UDPOWER products, but if something isn't quite right, you can return it within 30 days as long as it's in good working condition. We provide a return label and support local returns throughout the U.S. for easy and fast service.
5-Year Warranty Protection
All UDPOWER products come with a 5-year warranty for your peace of mind. Please check the warranty policy for more details.
We offer free shipping to the 48 contiguous states. This offer does not apply to Alaska, Hawaii, Puerto Rico, Guam, or other U.S. territories.
This C400 portable power station is designed to keep you powered on the go, no matter the adventure. With a high-capacity 256Wh battery and reliable, durable LFP technology, this unit can handle various charging needs, including high-demand devices up to 800W with UDTURBO mode. Multiple output options—including dual AC, USB-A, USB-C, DC, and car cigarette lighter outputs—provide convenient ways to charge all your devices. Enjoy ultra-fast recharging with options for up to 185W via adapter and USB-C, as well as solar and car charging compatibility. Engineered to withstand extreme temperatures, this power station is an ideal choice for both indoor and outdoor use. Plus, with over 3000 charge cycles, you can count on long-lasting performance.
| Model | AC0400 |
|---|---|
| Dimensions | 8.3 x 5.2 x 7.3 inches (212 x 133 x 186 mm) |
| Weight | 6.3 lbs (2.9 kg) |
| Capacity | 256 Wh (20Ah, 12.8V) |
| Certifications | UL2743, PSE, FCC, ROHS, UN38.3 |
| AC Output (2 PCs) | Pure Sine Wave, 120V, 60Hz, 400W Total (Surge 800W) |
|---|---|
| UDTURBO | Appliance with Maximum Load 800W |
| USB-A Output (1 PC) | 5V-3A, 9V-2A, Total 18W |
| USB-C Output (2 PCs) | 5V-3A, 9V-3A, 12V-3A, 15V-3A, 20V-3.25A, PPS: 3.3-21.0V, 3A, Total 100W (65W + 35W) |
| Car Cigarette Lighter Output | 12-13.6V, 10A, Total 136W Max |
| DC5521 Output | 12-13.6V, 10A, Total 136W Max |
| Maximum Appliance Load | 800W |
| USB-C Charging | PD 65W Max |
|---|---|
| Fastest Charging Speed | 165W Max (Adapter + USB-C) |
| Solar Charging Input | 150W Max |
| Car Charging Input | 120W Max |
| Minimum Input Voltage | 11V |
| Maximum Input Voltage | 28V |
| Material | LFP (Lithium Iron Phosphate) |
|---|---|
| Cycle Life | 80%+ capacity after 3000 cycles |
| Ambient Temperature for Discharging | -4℉ ~ 113℉ (-20℃ ~ 45℃) |
|---|---|
| Ambient Temperature for Charging | 32℉ ~ 104℉ (0℃ ~ 40℃) |
| Ambient Temperature for Storage | 32℉ ~ 104℉ (0℃ ~ 40℃) |
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