The 16850 Battery Charger For 3.7V lithium ion Rechargeable Batteries (3-slots) is a compact, high-efficiency charger specially designed for 3.7 V lithium-ion rechargeable batteries. Featuring three independent charging bays, it allows you to charge one, two or three 18650 cells simultaneously. Its smart circuitry ensures safe, stable and fast charging—perfect for makers, engineers, students and anyone working with lithium-ion power sources.
Key Features & Capabilities
Three Independent Slots: Charge up to three 18650 lithium-ion batteries at once; each slot is managed independently.
Input Voltage Compatibility: Works with standard USB 5 V or DC adapters, making it easy to power from a wall outlet, power bank or computer.
Smart Charging Protection: Built-in safeguards against overcharge, overcurrent, short-circuit and reverse polarity extend battery life and ensure safety.
LED Status Indicators: Clear visual feedback shows charging progress and completion for each battery slot.
Compact & Portable Design: Lightweight and easy to carry—ideal for labs, classrooms or field work.
Efficient Heat Dissipation: Vented casing and optimized electronics minimize heat build-up during charging.
Typical Uses & Applications
STEM & Robotics Projects: Keep spare 18650 batteries ready for powering robots, sensors, and portable devices.
DIY Electronics: Ideal for hobbyists building flashlights, power banks, small drones, or custom battery packs.
Educational Labs: Great for teaching students safe lithium-ion handling and charging practices.
Prototyping & Field Work: Reliable charger for engineers and technicians needing on-the-go battery charging.
Why Choose This 3-Slot 18650 Charger?
This charger combines versatility, safety, and convenience. It supports multiple cells at once, automatically adjusts charging current, and protects both your batteries and devices. Whether you’re powering an IoT project, experimenting with portable energy solutions, or just need a reliable way to keep your lithium-ion batteries topped up, this 3-slot 18650 Battery Charger delivers consistent performance.
