3CZY Multifuctional Smart Battery Box USB Car Charger with Voltmeter: 12V power output
Ever been stuck with a dead battery and no clue it was coming? The Multifunctional Smart Battery Box USB Car Charger with Voltmeter is like having a tiny, tech-savvy guardian angel for your car, boat, or RV. Not only does it keep your gadgets juiced up on the go (because let's face it, a dead phone on a road trip is a modern-day tragedy), but it also sports a built-in voltmeter. This little feature is a game-changer, giving you the heads-up on your battery's health before it decides to take an unscheduled nap.
Why you'll love it:
- It's the Swiss Army knife of power sources—works everywhere from your daily commute to that off-the-grid camping trip you keep talking about.
- The voltmeter? Crystal clear. No squinting required, even at night.
- Got devices? It's got ports. Charge your phone, your tablet, and maybe even your friend's phone (if they're nice).
- Built like a tank (but, you know, way lighter and more useful). It laughs in the face of potholes and rough seas.
Features
- USB charging ports
- Built-in voltmeter
- Multifunctional use
- Compact design
- 12V power output
General specs
- Brand: 3CZY
- Seller: Joom
- ID: 6863c7c2c4fc8701212a7226
- Voltage: 12V
- Charging Ports: USB
- Display: Voltmeter
- Compatibility: Car, Boat, RV
- First listed by seller: 7/13/25
If you are interested in more details, you can find full information on the seller's page.
View on seller's site
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$194.75
Last price update: 11/15/25
Out of stock
Price History for seller Joom
Shipping options
Delivery to 
Russia
Russia
Available
Video Reviews
Comparison with similar products
| This item | Recommendations | |||||
|---|---|---|---|---|---|---|
Multifuctional Smart Battery Box USB Car Charger with Voltmeter 12V power output
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| Brand | 3CZY | loverin | Home Furnishing Department Mall | Happd | JOHO | |
| Model | ||||||
| Color | ||||||
| Rating |
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| Price | $194.75 | $12.99 | $49.84 | $203.94 | $31.87 | $79.87 |
| Seller | Joom | Gshopper | Joom | Joom | Joom | Joom |
| Update | November 20, 2025 | July 25, 2024 | January 13, 2026 | December 8, 2025 | December 7, 2025 | December 8, 2025 |
| Voltage | 12V | 12V | 12V | 12V | ||
| Display | Voltmeter | LED | Digital LCD | |||
Multifuctional Smart Battery Box USB Car Charger with Voltmeter
$194.75
