12.6V 2A Smart 18650 Li-ion Battery Charger – 3S Pack
12.6V 2A Smart 18650 Li-ion Battery Charger – 3S Pack
12.6V 2A Smart Charger for 18650 & 3-Series Li-ion Battery Packs
Keep your 12V lithium battery packs topped up safely and efficiently with this intelligent 12.6V 2A Smart Charger. Designed for 3-series 18650 li-ion and lithium polymer battery packs, this compact charger features automatic smart charging to protect your batteries from overcharge, over-voltage, and short circuits — giving you total peace of mind every time you plug in.
With universal AC input (100V–240V, 50/60Hz), this charger works seamlessly with EU, UK, AU, and US plugs, making it ideal for use at home or while travelling. The standard DC 5.5mm × 2.1mm output connector ensures broad compatibility with a wide range of devices and battery enclosures.
Key Features
- Smart Intelligent Charging: Automatically manages the charge cycle to optimise battery longevity and safety
- Universal Input: 100V–240V AC, 50/60Hz — compatible worldwide (EU/UK/AU/US plug options available)
- Output: DC 12.6V / 2A (max output power: 25.2W)
- Connector: DC 5.5mm × 2.1mm output jack for broad device compatibility
- Cable Length: Approx. 100cm (1 metre) for flexible positioning
- Certified Safe: CE and RoHS certified for quality and safety assurance
- Quick Charge Support: Efficient fast-charge technology to get your batteries ready faster
- No High-Concern Chemicals: RoHS compliant — free from harmful substances
- Compatible: 3-series 18650 li-ion and lithium polymer battery packs (12V nominal)
Specifications
| Input Voltage | 100V–240V AC, 50/60Hz |
| Output Voltage | DC 12.6V |
| Output Current | 2A |
| Max Output Power | 25.2W |
| Connector Size | DC 5.5mm × 2.1mm |
| Cable Length | ~100cm (1m) |
| Certifications | CE, RoHS |
| Compatible Battery | 12V 3-Series 18650 Li-ion / Polymer Packs |
| Country of Origin | Made in Mainland China |
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Learn more: EPA guidance on lithium-ion battery handling
Frequently Asked Questions
Q: What battery types is the 12.6V 2A smart charger compatible with?
A: This charger is designed specifically for 12V nominal, 3-series (3S) 18650 lithium-ion and lithium polymer battery packs. It charges them to the standard full-charge voltage of 12.6V and is not suitable for other chemistries such as NiMH or lead-acid batteries.
Q: Does this charger work in multiple countries?
A: Yes! The charger accepts universal AC input from 100V to 240V at 50/60Hz, making it compatible with electrical standards across the US, EU, UK, Australia, and most other countries worldwide. Please select your required plug type at the time of purchase.
Q: Is this charger safe to leave unattended while charging?
A: The smart intelligent charging circuit monitors the charge cycle and automatically stops or adjusts charging when the battery reaches full capacity, helping to prevent overcharging. It is CE and RoHS certified. However, as a general best practice, it is always advisable to monitor lithium battery charging and avoid leaving any battery charger completely unattended for extended periods.
Q: What is the output connector size for this charger?
A: The output connector is a standard DC barrel jack measuring 5.5mm outer diameter × 2.1mm inner pin. This is one of the most common connector sizes used on 12V battery packs and accessories, ensuring wide compatibility.
Production & Packaging Notice
To maintain high stock availability and fast shipping times, our items are sourced from multiple verified manufacturing facilities. While the core quality, materials, and product specifications remain identical, you may notice slight variations in the packaging design, manufacturing origin, or the wording of the printed instructions.