High Capacity 21-Cell 18650 Lithium-Ion Battery Pack with Digital Level Indicator and Dual USB Output

Specification:

• Type: 21-cell lithium-ion battery pack
• Battery Type: 18650 Li-ion cells
• Output Ports: Dual USB outputs
• Voltage: Adjustable output
• Indicator: Digital battery level display
• Protection: Overcharge, over-discharge, and short-circuit protection
• Design: Compact and portable
• Assembly: Pre-assembled battery pack
• Durability: Long-lasting performance
• Color: Green housing

Description:
The High Capacity 21-Cell 18650 Lithium-Ion Battery Pack is designed for efficient and reliable power storage. Featuring a digital level indicator and dual USB outputs, it delivers clear battery status and versatile charging capabilities. Built with protection features, it safeguards devices against overcharge, over-discharge, and short circuits. Compact and durable, this battery pack is ideal for portable power needs and DIY applications, providing dependable energy wherever required.