VoltMaxx 7-in-1 PowerHub — Charge all devices simultaneously and stay safely and stress-free connected at all times | Kalsten
Never run out of battery on the go again - pure power for up to seven devices simultaneously, without waiting time!
Frustrated by too few outlets while on the go? With the VoltMaxx™ 7-in-1 PowerHub, you can effortlessly charge seven devices at the same time - stay connected, productive, and relaxed at all times. No more fighting over charging while on the road!
What our customers say - enthusiasm for the PowerHub
✓ Seven ports, limitless power: Transform one outlet into four 12V/24V ports plus three ultra-fast USB outputs - charge all your devices simultaneously without stress.
✓ Lightning-fast turbo charging: Thanks to Quick Charge 3.0, Power Delivery & 3.1A USB, smartphones & tablets regain power in record time - save valuable time.
✓ Maximum safety you can rely on: The intelligent protection chip keeps your devices and car safe from overcurrent, overvoltage & short circuit - travel worry-free.
✓ Fits in any vehicle & stays securely in place: For 12V & 24V systems of all cars, SUVs, trucks, and campers. Reinforced plug & double-sided tape hold securely even on bumpy roads.
Your most important questions - clearly answered
Is the VoltMaxx™ suitable for my vehicle?
Absolutely! Whether car, SUV, truck or camper - our PowerHub operates smoothly with all 12V and 24V systems. Just plug it in and feel the power.
Can I really charge all devices simultaneously?
Yes! Charge up to seven devices in parallel - ideal for families, gamers or anyone who always needs maximum power. The total output remains safely under 120 W.
How safe is charging for my devices and my car?
The smart protection chip reliably protects against overcurrent, overvoltage & short circuit. Your valuable devices and vehicle technology are well protected.
Technical details at a glance
Color: Stylish black
Size: Compact & space-saving, perfect for any use
Material: Durable ABS for robust use
Output voltage: DC 12V/24V - compatible with all vehicles
Connections: 4x 12V/24V sockets, 1x Quick Charge 3.0 USB, 1x Power Delivery USB, 1x 3.1A USB - for ultimate charging power
Delivery contents
- 1x VoltMaxx™ 7-in-1 PowerHub cigarette lighter adapter
Free standard shipping on all orders. No minimum purchase.
- Ships to: United States
- Processing: 1–4 business days (Mon–Fri)
- Transit: 5–10 business days
- Total delivery time: 6–14 business days
- Order cut-off: 5:00 PM PST
You will receive a tracking number by email once your order ships. Please allow up to 48 hours for tracking to update.
See our full Shipping Policy.
You have 14 days from delivery to request a return.
- Email support@open.shop with your order number to start a return.
- Items must be unused, complete, and in their original packaging.
- Return label: flat $9.99 USD, deducted from your refund — nothing to pay upfront.
- Damaged, defective or incorrect items: we cover all return and replacement costs.
- No restocking fees.
- Exchanges: contact us and mention "exchange" — the new item ships once your return arrives.
- Refunds are issued within 7 business days of inspection.
See our full Return Policy.
Questions about your order or our products? We're happy to help.
Open
Hooizolder 214
Drachten Friesland 9205CD
Netherlands
Email: support@open.shop
Customer Service:
Monday to Friday, 8:00 AM – 6:00 PM PST (excluding public holidays)
We reply to all messages within 24 hours on business days. Weekend messages are answered on Monday.
For quick answers, visit our FAQ page or use our Contact Form.
