XTAR 5000mAh 21700 USB-C Rechargeable Battery 10A

USB-C Direct Charging

We put the intelligence of a charger directly into the battery.

✅Supports 5V 1.2A fast charging.

✅Smart 3-stage charging algorithm for longer battery life.

✅Auto-activates and begins charging upon plugging in if over-discharged.

It’s more than rechargeable. It is self-managed.

· A full charge via the USB-C cable takes 4.6 hours.

· Supports charging with 3.6V lithium battery chargers like the XTAR VX4, fully charging in 3 hours.

Standard 21700 Size, No Fit Problems

Unlike many other USB-C 21700 batteries are too long to fit flashlights and gear, XTAR’s battery works well with standard battery compartments.

5000mAh & 10A High Performance

5000mAh high capacity with up to 10A discharge. Delivers stable power without overheating — consistent performance from start to finish.

800 Cycles — Long Life, Low Waste

That means fewer replacements, lower cost in the long run, and less environmental impact.

Excellent Performance in Extreme Temperatures

Supporting a wide range of -20°C to 60°C, it is perfect for temperature-sensitive equipment such as outdoor weather stations.

Balanced Cell for Multi-Battery Devices

In devices using 2 or more batteries, imbalance can ruin performance. XTAR carefully tests and selects the cell capacity and internal resistance. Each cell in a batch performs consistently, avoids runtime gaps and uneven drainage. This type of quality control often goes unnoticed — but it makes all the difference.

Made for Flashlights, Ready for More

Ideal for EDC/tactical/diving flashlights, bike lights, outdoor weather station, and other 21700-powered gear.

Specifications

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