Industry or business 1821V Inverter-converter for smart battery: Converts 21V to 220V
Ever tried powering your gadgets with a smart battery and hit a wall? The Inverter-converter for smart battery is here to save the day, smoothly flipping power from 21V to 220V like it's no big deal. Perfect for just about any smart battery device you can think of. And guess what? It's so sleek and tiny, it'll sneak into your setup without hogging all the space. Plus, it's a wizard at saving energy, meaning less waste and more power where you actually need it.
Why you'll love it:
- No more power conversion headaches—it's seamless.
- Light as a feather, compact as a smartphone (almost).
- Runs like a dream, keeping energy loss to a bare minimum.
Features
- For smart battery devices
- Compact design
- High efficiency
- Converts 21V to 220V
General specs
- Brand: Industry or business
- Model: 1821V
- Seller: Joom
- ID: 684fb4378bf2640171bafff6
- Input Voltage: 21V
- Output Voltage: 220V
- Efficiency: High
- First listed by seller: 6/23/25
If you are interested in more details, you can find full information on the seller's page.
View on seller's site
#publicidad
$25.03
Last price update: 8/30/25
Out of stock
Price History for seller Joom
| Date | Price |
|---|---|
| 8/30/25 | $25.03 |
| 6/23/25 | $26.99 |
Shipping options
Delivery to 
Russia
Russia
Available
Comparison with similar products
| This item | Recommendations | |||||
|---|---|---|---|---|---|---|
Industry or business 1821V Converts 21V to 220V
|
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VRURC T2046
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|
| Brand | Industry or business | A Auto Parts Mall | Fishine | Vinde Home | VRURC | |
| Model | 1821V | T1D0 | 14.6V 20A | T2046 | ||
| Color | ||||||
| Rating |
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| Price | $25.03 | $42.68 | $9.90 | $111.43 | $388.46 | $38.99 |
| Seller | Joom | Joom | Gshopper | Joom | Joom | Amazon |
| Update | August 29, 2025 | December 7, 2025 | July 25, 2024 | December 8, 2025 | December 7, 2025 | December 6, 2025 |
| Input Voltage | 21V | 10V-220V | 110-220V | |||
| Output Voltage | 220V | 220V | 14.6V | |||
Inverter-converter for smart battery
$25.03
