3 × 3.7V Li-ion Battery with Holder

The 3 × 3.7V Li-ion Battery with Holder Kit includes three rechargeable 18650 lithium-ion batteries and a 3-slot battery holder designed for creating compact battery packs for portable electronics. It is ideal for Arduino, ESP32, robotics, DIY electronics, LED lighting, solar projects, battery backup systems, and portable power applications.

Features

• Full Name: 3 × 18650 3.7V Li-ion Batteries with 3-Slot Battery Holder
• Includes three rechargeable 18650 Li-ion batteries
• Durable 3-cell battery holder
• High energy density
• Low self-discharge rate
• Lightweight and portable
• Easy battery installation and replacement
• Suitable for custom battery pack projects

Specifications

Battery Holder Configuration

Note: Depending on the holder design, the batteries may be connected in series (11.1V nominal / 12.6V fully charged) or parallel (3.7V nominal / 4.2V fully charged). Always verify the holder’s output voltage before connecting it to your circuit.

Applications

• Arduino projects
• ESP32 and Raspberry Pi projects
• Robotics
• DIY battery packs
• Portable power supplies
• Solar energy projects
• LED lighting systems
• Battery backup systems
• Educational electronics

Advantages

• Ready-to-use battery kit
• Easy battery replacement
• High energy storage capacity
• Durable battery holder
• Rechargeable and reusable
• Reliable performance
• Cost-effective power solution

Size

Package Includes

• 3 × 18650 3.7V Li-ion Rechargeable Batteries
• 1 × 3-Slot 18650 Battery Holder

Note: Use only batteries of the same type, capacity, and charge level together in the holder. Charge the batteries using a compatible Li-ion charger or Battery Management System (BMS). Never short-circuit, overcharge, reverse the battery polarity, or use damaged batteries. For battery packs connected in series, always use a suitable 3S BMS for safe charging and discharging.