Premium 21700 Lithium-ion Battery with USB-C Charging
High-capacity 5000mAh power for extended runtime in flashlights, camping gear, and emergency equipment. Built with Grade A lithium-ion cells for stable voltage output and 1000+ charge cycles.
Integrated USB-C port enables direct charging without external adapters—ideal for outdoor use and travel. Precision laser welding ensures durable contacts and corrosion-resistant terminals.
OEM support with customizable branding options for bulk buyers. CE/RoHS certified for safety. Compatible with high-lumen flashlights, power banks, and DIY electronics projects.
Wholesale pricing available for bulk orders. Ships globally with DDP (Duty Paid) options.
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Support OEM 21700 3.7V 5000mAh USB Lithium-ion Rechargeable Battery for Flashlight Large Capacity USB-C Port Battery
$9.76$15.42-36.71%
Nominal Voltage:
3.7V
Nominal Capacity:
5000mAh
Battery Type:
cylindrical
Quantity:
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