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Rechargeable 21700 Li-ion battery with 3000mAh capacity for use in battery packs, portable electronics, power banks, and DIY electronic components projects. Provides stable output voltage and reliable performance for various applications.
Used in power tools, flashlights, battery assemblies, and portable power systems. This type of battery is commonly compared by price, reviews, and specifications before users buy components for their projects.
Technical Specifications:
• Type: Li-ion rechargeable battery
• Format: 21700
• Capacity: 3000 mAh
• Nominal voltage: 3.6–3.7 V
• Maximum charge voltage: 4.2 V
• Chemistry: Lithium-ion
• Rechargeable: yes
• Application: battery packs, power banks, electronics
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