1 / 6
VOLTBOX portable power station with 400 W battery
256 Wh · 400 W · LiFePO4
€263.49
1,407.12 lei · 1 EUR = 5.3403 lei (BNR, 02.11.2026)
Price includes VAT.
Out of stock
- 2-year warranty
- 14-day right of return
- Cash on delivery
VOLTBOX portable power station with 400 W battery
256 Wh
Capacity
400 W
AC output
120 W
MPPT input (max.)
4 kg
Weight
Video
Specifications
- Battery type
- 40135 LiFePO4
- Dimensions (L × W × H)
- 272 × 184 × 240 mm
- Capacity
- 256 Wh
- MPPT input
- 11.5–50 V, 20 A, 120 W max.
- Weight
- 4 kg
- AC charging
- 220–240 V, 50/60 Hz, 300 W max.
- AC output
- 400 W, 220–240 V, 50/60 Hz, pure sine wave
- USB
- USB-A (5 V 2.4 A) × 1
- Type-C output
- PD 100 W × 1; PD 20 W × 1
- Certification
- CE / FCC / RoHS / MSDS / UN38.3 / PSE
- Dimensions (L × W × H)
- 259 × 174 × 201 mm
- Weight
- 4 kg
- Capacity
- 256 Wh
- AC charging
- 50/60 Hz, 300 W max.
- MPPT input
- 11.5–30 V, 8 A, 120 W max.
- AC output
- 100–120 V 50/60 Hz, 220–240 V 50/60 Hz, pure sine wave
- USB-A output
- QC3.0 18 W max.
- Type-C output
- Type-C1: PD 20 W max.; Type-C2: PD 100 W max.
- LED light
- 1 W
- Car cigarette lighter output
- 12 V / 10 A
- Off-state current
- < 500 µA
- Operating temperature
- -10 ~ 40 °C
- Charging temperature
- 0 ~ 40 °C
- Ambient humidity
- ≤ 90% RH
Manufacturer: MARIAD SERV SRL (VOLTBOX brand), Str. Găgeni nr. 32, Comuna Blejoi, jud. Prahova, 107070, Romania. Email: office@voltbox.ro
Frequently asked questions
What is the capacity of the VOLTBOX 400W?
256 Wh, 40135 LiFePO4.
What can the VOLTBOX 400W power?
AC output: 400 W, 220–240 V, 50/60 Hz, pure sine wave. To see how long it keeps your appliances running, use the "Which VOLTBOX is right for you?" calculator on the homepage.
How is the VOLTBOX 400W charged?
From the socket: 220–240 V, 50/60 Hz, 300 W max. From solar panels: 11.5–50 V, 20 A, 120 W max.
How heavy is the VOLTBOX 400W and how big is it?
Weight: 4 kg. Dimensions: 272 × 184 × 240 mm.
What guarantee does the VOLTBOX 400W have and can I return it?
Consumers get a 2-year guarantee. You can return the product within 14 days of receiving it, without giving a reason. In Romania you pay cash on delivery.
