21700 3S2P Lithium Battery Pack 11.1V 8Ah for Solar LED Light — Built-in BMS Protection Rechargeable Li-ion

The HNF Battery 21700 lithium battery pack is engineered for reliable, long-lasting power in solar LED lighting systems and other demanding applications. Built with premium 21700 lithium-ion cells and a smart BMS, this 3S2P 11.1V 8Ah pack delivers consistent performance cycle after cycle.

Why Choose This 21700 Lithium Battery Pack?

When it comes to solar LED lighting, power tools, or backup energy systems, battery quality matters. Our 21700 lithium battery pack is designed with high-drain applications in mind — offering superior energy density, stable discharge, and built-in protection for safe, worry-free operation.

Key Specifications

• Cell Type: 21700 Lithium-Ion (3S2P configuration)
• Voltage: 11.1V nominal
• Capacity: 8Ah (88.8Wh)
• Configuration: 3 Series, 2 Parallel
• Protection: Built-in BMS (Battery Management System)
• Chemistry: Li-ion (Rechargeable)
• Certification: CE / RoHS / UN38.3

Built-in BMS Protection

Every 21700 lithium battery pack from HNF Battery includes a smart Battery Management System that protects against:

• Overcharge
• Over-discharge
• Short circuit
• Overcurrent
• Temperature extremes

This ensures maximum safety and extends the overall lifespan of the battery pack.

Ideal Applications

This 21700 lithium battery pack is perfectly suited for:

• Solar LED lighting systems
• Garden and outdoor lighting
• Portable power stations
• Medical devices
• Industrial equipment
• RC vehicles and robotics

OEM & Custom Orders Welcome

HNF Battery specializes in custom lithium battery solutions. Whether you need a different voltage, capacity, connector type, or enclosure, we can manufacture to your exact specifications. MOQ starts from 100 units with full CE/RoHS/UN38.3 certification support.

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Why HNF Battery?

As a professional lithium battery manufacturer based in Dongguan, China, HNF Battery has over 10 years of experience supplying OEM battery packs to clients worldwide. Every pack undergoes rigorous quality control before shipping.

• ✅ Factory-direct pricing
• ✅ Low MOQ from 100 units
• ✅ Fast global shipping
• ✅ CE / RoHS / UN38.3 certified
• ✅ Full OEM & custom support