Smart Li-ion Battery Charger – 18650, 26650, 21700 & More
Smart Li-ion Battery Charger – 18650, 26650, 21700 & More
Keep all your rechargeable lithium-ion batteries topped up and ready to go with the Alasicka LM102B Smart Battery Charger. Featuring intelligent charging technology and an adjustable current output, this compact charger is compatible with a wide range of cylindrical Li-ion battery sizes — making it a must-have for flashlight enthusiasts, hobbyists, and everyday users alike.
Key Features
- Wide Compatibility: Supports 26700, 26650, 26500, 25500, 22700, 21700, 20700, 22650, 22500, 18700, 18650, 18500, 18490, 18350, 17650, 16650, 16340 (RCR123), 14650, 14500, and 10440 Li-ion/Ni-MH/Ni-Cd batteries.
- Adjustable Charging Current: Choose from 0.5A, 1.0A, or 2.0A to match your battery's ideal charge rate.
- Smart Intelligent Charging: Automatically detects the battery status and applies the appropriate charging profile for safe and efficient charging every time.
- Quick Charge Capable: Get your batteries back to full capacity faster with quick-charge support.
- Universal Micro USB Input: Powers via a standard Micro USB cable — compatible with most existing USB adapters and power banks.
- 1-Slot Independent Charging: The dedicated slot delivers precise, focused charging for your battery.
- Output Voltage: 3.7V – 4.2V | Output Power: ≤37.5W
- CE Certified: Meets safety and performance standards for your peace of mind.
- Compact & Lightweight: Measuring just 123 × 50 × 32 mm and weighing only 48 g, it's easy to store or travel with.
- Color: Black
Specifications
| Model | LM102B |
| Input | Micro USB (DC) |
| Output Voltage | 3.7V – 4.2V |
| Charging Current | 0.5A / 1.0A / 2.0A (Adjustable) |
| Max Output Power | ≤37.5W |
| Dimensions | 123 × 50 × 32 mm |
| Weight | 48 g |
| Certification | CE |
| Color | Black |
What's in the Box
- 1 × Smart Battery Charger (LM102B)
- Note: Batteries are NOT included.
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 Alasicka LM102B smart charger compatible with?
A: This smart Li-ion battery charger is compatible with a wide range of cylindrical rechargeable battery sizes including 18650, 26650, 21700, 26700, 25500, 22700, 20700, 22650, 22500, 18700, 18500, 18490, 18350, 17650, 16650, 16340 (RCR123), 14650, 14500, and 10440. It works with Li-ion, Ni-MH, and Ni-Cd battery chemistries.
Q: Can I adjust the charging current on this battery charger?
A: Yes! The LM102B features adjustable charging current with three settings — 0.5A, 1.0A, and 2.0A — allowing you to select the best rate for your specific battery type and capacity.
Q: How do I power the LM102B battery charger?
A: The charger is powered via a standard Micro USB cable connected to any USB power source such as a wall adapter, laptop, or power bank. No proprietary power supply is required.
Q: Does the charger come with batteries included?
A: No, batteries are not included with the charger. The package contains only the LM102B smart battery charger unit itself.
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.