Supply Made Smart Charger: 4.2V output
This smart charger is for anyone who relies on 18650 batteries for flashlights, vapes, or other devices and needs a reliable, portable charging solution. While most chargers focus on speed, this one offers peace of mind for a busy user who wants to charge safely on the go.
Its compact design fits easily in a backpack or glove compartment, and the 4.2V output ensures your batteries charge to the optimal level without overcharging. The included EU and US plugs mean you can use it at home or while traveling without needing an adapter. You get a steady 500mA current that charges efficiently without overheating, so you can trust it to keep your devices powered up wherever you are.
Features
- 500mA current
- 3.5mm connector
- EU and US plug compatibility
- for 18650 batteries
- 4.2V output
General specs
- Brand: Supply Made
- Seller: Joom
- ID: 6881fcc3281d9fd79eacb3c3
- Plug Type: EU, US
- Connector Type: 3.5mm
- Output Current: 0.5
- Output Voltage: 4.2
- Compatible Cell Sizes: 18650
- Compatible Battery Chemistries: Li-ion
- First listed by seller: 12/6/25
If you are interested in more details, you can find full information on the seller's page.
Shipping options
United States
Comparison with similar products
| This item | Recommendations | |||||
|---|---|---|---|---|---|---|
Smart Charger 4.2V output
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3-Port USB PD Charger with Fast Charging and Cable Fast charging with USB-C PD and QC3.0
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Aiminu RE-PD3504 White 4-port fast charging with 40W total power
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Aiminu RE-PD3504 White 2-pack 40W fast charging block
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Amazon Basics UTC2421US-BK Fast charging for two devices
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| Brand | Supply Made | Coreykin | LDNIO | Aiminu | Aiminu | Amazon Basics |
| Model | CA-15T-US | RE-PD3504 | RE-PD3504 | UTC2421US-BK | ||
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| Price | $6.35 | $23.90 | $16.96 | $29.99 | $13.99 | $7.65 |
| Seller | Joom | Amazon | Gshopper | Amazon | Amazon | Amazon |
| Update | December 8, 2025 | December 6, 2025 | July 25, 2024 | December 6, 2025 | December 6, 2025 | December 6, 2025 |
| USB-C Ports | 1 | 1 | 2 | |||
| Max Output Power | 20 | 32 | 40 | |||
