May explode or leak if inserted incorrectly, shorted,disassembled, heated, disposed of in fire or recharged.

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Francell 18650 Li-ion Rechargeable Batteries (Model: FC-18650 1800)

Power your daily high-drain electronics with the highly efficient Francell 18650 3.7V Lithium-Ion Rechargeable Batteries. Featuring an optimized 1800mAh capacity, this  is engineered to provide a balanced combination of steady energy delivery, reliable cycle life, and cost-effective performance. Ideal for multi-battery setups, tactical flashlights, and portable household electronics, Francell delivers a dependable current to keep your gear working when you need it most.

With an eco-friendly design and integrated safety structures, these rechargeable cells serve as a sustainable alternative to single-use batteries, saving you money while reducing environmental waste.

Key Features

  • Optimized Capacity Performance: Packed with an 1800mAh capacity, providing efficient runtimes and quicker recharge cycles for everyday devices.

  • Stable 3.7V Li-ion Current: Delivers a constant, flat voltage discharge curve, ensuring your electronics operate at full power until the cell is depleted.

  • Sustainable & Eco-Conscious: Formulated with 0% Mercury and 0% Cadmium to minimize hazardous e-waste while offering hundreds of recharge cycles.

  • Built-in Circuit Protections: Crafted with internal safety mechanisms to help protect against overcharging, over-discharging, and overheating during heavy current draws.

  • Practical 2-Pack Packaging: Securely sealed in a vibrant retail blister card, keeping your backup battery protected and clean until it's ready for action.

Technical Specifications

Feature Specification
Brand Francell
Model Number FC-18650 1800
Battery Type Rechargeable Lithium-Ion (Li-ion)
Model Size 18650 Cylindrical Cell
Nominal Voltage 3.7V
Capacity 1800mAh
Chemical Composition Lithium-Ion (0% Mercury, 0% Cadmium)
   
   
   
   

Common Applications

These versatile cylindrical rechargeable cells are perfectly suited for mid-to-high drain portable equipment:

  • Portable Lighting: LED tactical flashlights, emergency lanterns, headlamps, and solar-powered garden path lights.

  • Household Gadgets: Small portable personal fans, electronic insect zappers, and cordless handheld electronics.

  • Hobby & Toys: Radio-controlled (RC) vehicle battery packs, electronic test gear, and DIY electronics setups.

  • Security Gear: Wireless smart doorbells and backup power modules for compact security cameras.

Usage Instructions & Warnings

Please strictly adhere to the safety and handling guidelines outlined on the back of the packaging:

  1. Initial Preparation: Fully charge both cells using a certified Li-ion smart charger before using them for the first time.

  2. Correct Polarity: Double-check the positive (+) and negative (-) terminals before inserting the cells into your device or charging bay.

  3. Storage Guidelines: Keep unused batteries inside a dedicated plastic protective case in a cool, dark, and dry environment. Never carry loose cells in pockets with keys or coins.

  4. Safety Precautions: * Do not expose the cells to extreme heat, open flames, or temperatures above 45°C / 113°F.

    • Do not crush, puncture, disassemble, or short-circuit the contacts.

    • Warning: Keep out of reach of children. Always inspect the external colored protective wrapper before use. If the plastic wrap is torn, dented, or peeling, discontinue use immediately. Use only with dedicated 3.7V lithium-ion charging equipment.