Key Features:

🔋 Holds 4 × 18650 Li-ion Cells – Flexible wiring for series (14.8V) or parallel (3.7V, higher capacity) setups. 🔌 Robust Spring & Tab Contacts – Ensures secure battery retention and minimal voltage drop. 🔧 Durable ABS Plastic Housing – Flame-resistant and impact-resistant for long-term use. ⚡ High-Current Nickel Plating – Supports up to 5A continuous current (per cell, depending on wiring). 🔄 Pre-Soldered Tabs (Optional Models) – Easy connection for DIY power banks and solar projects. 🛠️ Mounting Holes & Adhesive Pad – For secure placement in enclosures.

Technical Specifications:

• Battery Compatibility: 4 × 18650 Li-ion (3.7V each)

• Configurations:

  • Series (4S): 14.8V nominal, 16.8V max

  • Parallel (4P): 3.7V nominal, 4.2V max (higher capacity)

• Max Current: 5A per cell (depends on wiring & battery quality)

• Material: ABS Plastic + Nickel-Plated Contacts

• Dimensions: ~140mm × 65mm × 20mm (varies by model)

Applications:

• DIY Power Banks & Solar Chargers

• High-Powered LED Lights & Flashlights

• Electric Bike/Scooter Battery Packs (with BMS)

• Portable Speakers & Emergency Power

• Robotics & Drone Battery Extensions

Package Includes:

• 1 × 4-Slot 18650 Battery Holder

• (Optional) Pre-attached wires for series/parallel setup

• Mounting screws (if applicable)

⚠️ Important Notes:

• Batteries not included – Use protected 18650 cells for safety.

• Series wiring requires a BMS (Battery Management System) to prevent overcharging.

• Check polarity before connecting to avoid short circuits.