3.7V 6.6-14AH Rechargeable Battery for Portable Insulin Cooler Mini Medicine Fridge 5V Fan Power Supply

3.7V 6.6–14Ah Li-ion Rechargeable Battery for Portable Insulin Cooler, Mini Medicine Fridge & 5V Fan Power Supply

Keep your portable insulin cooler, mini medicine fridge, or 5V fan running reliably with FMA Battery's high-capacity 3.7V Li-ion battery packs. Built with premium 18650 cells in 1S3P or 1S4P configurations and equipped with a built-in PCM (Protection Circuit Model) , these packs deliver stable, long-lasting power for medical-grade portable cooling and low-voltage fan applications. Choose from FMA or Panasonic cell options across a wide capacity range of 6.6Ah to 14Ah.

Package Contents

• 1 × 3.7V Li-ion Rechargeable Battery Pack (capacity and cell brand as selected)

Technical Specifications

Capacity Options at a Glance

1S3P Configuration (3 cells in parallel):

• 6.6Ah — Compact and lightweight, ideal for short-duration cooling needs
• 7.8Ah — Balanced capacity for everyday portable use
• 9.9Ah — Extended runtime for longer outings
• 10.5Ah (FMA / Panasonic) — High capacity with choice of premium cell brand

1S4P Configuration (4 cells in parallel):

• 8.8Ah — Higher current output for demanding cooling loads
• 10.4Ah — Extended runtime with robust 4-cell construction
• 13.2Ah — Long-duration backup for all-day use
• 14Ah (FMA / Panasonic) — Maximum capacity, longest runtime available

Key Features

• Purpose-Built for Medical Portable Cooling: Designed to reliably power portable insulin coolers, mini medicine fridges, and 5V fan systems
• Wide Capacity Range: 6.6Ah to 14Ah — select the runtime that fits your needs
• SMP Protection Circuit: Built-in Smart Management Protection against overcharge, over-discharge, and short circuit
• Dual Cell Brand Options: FMA standard cells or premium Panasonic cells available for select capacities
• 1S3P & 1S4P Configurations: Flexible parallel cell arrangements for different current and runtime requirements
• 3.7V Nominal Voltage: Compatible with most 3.7V / 5V (via boost converter) portable devices
• Long Cycle Life: Hundreds of charge/discharge cycles for lasting reliability
• Direct Replacement: Drop-in replacement for worn-out OEM battery packs in compatible devices

Applications

• Portable insulin coolers and diabetic medication storage
• Mini medicine fridges and medical-grade portable cooling
• 5V fan power supply and portable ventilation
• Portable power banks and backup power devices
• Wireless and portable electronic equipment
• Battery pack replacement and rebuild for compatible devices

Safety Information

Charging: Use only approved chargers designed for 3.7V Li-ion batteries. Do not overcharge or leave unattended during charging.

Storage: Store in a cool, dry place away from direct sunlight and heat sources. Keep battery partially charged (40–60%) for long-term storage.

Operation: Do not short-circuit, crush, puncture, or expose to fire. Avoid exposure to water or moisture.

Temperature: Operating range: 0°C to 45°C (32°F to 113°F); Storage: −20°C to 35°C (−4°F to 95°F).

Handling: Keep away from children and pets. Do not disassemble or modify the battery.

Inspection: Discontinue use if the battery shows signs of damage, swelling, leakage, or abnormal heating.

Shipping & Transportation Notice

Hazardous Material: This product contains rechargeable Li-ion batteries and is classified as dangerous goods for transportation purposes.

Air Transport: Subject to IATA Dangerous Goods Regulations. May require special handling and documentation for air shipment.

Packaging: Shipped in compliance with UN3480 or UN3481 regulations with proper protective packaging to prevent short circuits.

Delivery Time: Due to transportation restrictions, delivery may take longer than standard shipments. Please allow additional processing time.

Documentation: All shipments include proper hazmat documentation and safety data sheets as required by international shipping regulations.