Dragon Smart Charger: 4.2V output
Meet the Smart Charger—your go-to gadget for juicing up 18650 batteries without the fuss. With a solid 4.2V output and a steady 500mA current, it's like giving your batteries a quick, yet thorough, energy boost. And hey, it's got a 3.5mm connector because, well, who doesn't love a bit of versatility? Whether you're in the EU or the US, we've got you covered with plug options for both. Compact? Check. Easy to use? Absolutely. It's the little charger that could, ensuring your batteries are always ready to go, safely and without any drama.
Features
- 500mA current
- 3.5mm connector
- Compatible with 18650 batteries
- EU/US plug
- 4.2V output
General specs
- Brand: Dragon
- Seller: Joom
- ID: 67c7c200784b40164545c1ab
- Output Voltage: 4.2V
- Current: 500mA
- Connector Type: 3.5mm
- Compatible Batteries: 18650
- Plug Types: EU, US
- First listed by seller: 5/23/25
If you are interested in more details, you can find full information on the seller's page.
View on seller's site
#publicidad
$5.34
Last price update: 5/23/25
Out of stock
Shipping options
Delivery to 
Russia
Russia
Available
Comparison with similar products
| This item | Recommendations | |||||
|---|---|---|---|---|---|---|
Smart Charger 4.2V output
|
USB Smart LCD Display Lithium Battery Charger 4-slot charging
|
Smart Battery Charger Automatic Automatic charging
|
Smart 18650 Charger with USB QC3.0 Output Fast charging with QC3.0
|
QQs Bt-c3100 4-slot charging
|
Smart Battery Charger 400W high power output
|
|
| Brand | Dragon | CUCU | JadeBamboo Chargers Warehouse | OutsideWorld | QQs | JOHO |
| Model | Bt-c3100 | |||||
| Color | ||||||
| Rating |
|
|
|
|
|
|
| Price | $5.34 | $29.93 | $40.38 | $41.95 | $96.68 | $248.36 |
| Seller | Joom | Joom | Joom | Joom | Joom | Joom |
| Update | December 30, 2025 | December 9, 2025 | December 7, 2025 | December 7, 2025 | December 7, 2025 | December 8, 2025 |
| Compatible Battery Types | 18650, 26650, 16340 | 26650, 18650, 18350, 17670, 17500, 16340, 14500, AA | Li-ion, NiCd, NiMH, AA, AAA, 10440 | |||
| Plug Type | EU Plug | US Plug | EU plug | EU Plug | ||
Smart Charger
$5.34
Reviews
4.1
5
3
4
5
3
0
2
1
1
0
Bear
May 25, 2025
Sledge
May 25, 2025
Titan
May 25, 2025
Lukas Costa
May 25, 2025
Pearl
May 25, 2025
Julia Moreau
May 24, 2025
Francesco García
May 24, 2025
Anna Nelson
May 24, 2025