Home / 11.1V 4000mAh 5200mAh 5800mAh 18650 21700 Li-ion Battery Pack for Spotlights and Solar Spotlights
This 11.1V Li-ion battery pack is designed for spotlights, solar spotlights, and outdoor lighting systems. Available in 4000mAh, 5200mAh, and 5800mAh, it supports 18650 or 21700 cells, stable output, long cycle life, and custom BMS, connectors, casing, and wire length for OEM solar lighting applications.
- Model: 18650-3S2P
- Cell Size: 18×65 mm
- Capacity: 5200mAh
- Nominal Voltage: 11.1 V
- Cell Resistance: 120mΩ
- Charge Voltage: 12.8 V
- Application: Spotlights and Solar Spotlights
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Overview
The 11.1V Li-ion battery pack is designed for spotlights, solar spotlights, outdoor lighting systems, and portable lighting equipment. Built with 18650 or 21700 cells, it can be customized in 4000mAh, 5200mAh, and 5800mAh capacities to match different brightness levels, runtime needs, and installation spaces. This rechargeable battery pack delivers stable power output, high energy density, and reliable performance for continuous lighting applications. With an integrated protection circuit or BMS, it can support overcharge, over-discharge, overcurrent, and short-circuit protection, helping improve safety during daily use. Compared with traditional battery solutions, lithium ion packs offer lighter weight, longer cycle life, and better efficiency. OEM and ODM customization is available for connectors, wire length, casing, labels, charging methods, and battery structure, making it suitable for manufacturers developing solar lighting products and outdoor spotlight systems.
Product Details
- Multiple Capacity Options: Available in 4000mAh, 5200mAh, and 5800mAh to meet different spotlight runtime needs.
- 18650 and 21700 Cell Support: Flexible cell configurations provide stable power, compact size, and reliable energy density.
- Stable 11.1V Output: Designed to power spotlights, solar spotlights, and outdoor lighting systems with consistent performance.
- Built-in Protection: Supports overcharge, over-discharge, overcurrent, short-circuit, and temperature protection for safer use.
- OEM Customization: Battery capacity, connector, wire length, casing, label, and BMS settings can be customized.
Application Areas
- Spotlights: Suitable for rechargeable LED spotlights, portable work lights, and high-brightness lighting devices.
- Solar Spotlights: Used in solar-powered garden lights, landscape lights, security lights, and outdoor lighting systems.
- Outdoor Lighting: Ideal for camping lights, emergency lights, inspection lamps, and mobile lighting equipment.
- OEM Lighting Products: Designed for manufacturers developing custom solar lighting and rechargeable spotlight solutions.
Technical Parameters
| Model | 18650-3S2P |
| Cell Size | 18×65mm |
| Capacity | 5200 mAh |
| Nominal Voltage | 11.1V |
| Cell Resistance | 120 mΩ |
| Processing Method | Customized per request |
| Charge Voltage | 12.8V |
| Application |
Spotlights and Solar Spotlights |
