battery with protection. XTAR 21700 5500mAh USB-C

🔋Charging without a charger

The XTAR 21700 5500mAh lithium-ion battery with a built-in USB-C port is an efficient and convenient power source designed for flashlights, outdoor equipment, and other compatible devices using 21700 cells. The increased capacity of 5500 mAh provides more stored energy and longer device runtime.

The built-in USB-C port allows for direct charging of the battery without the need to use a separate charger for the cells each time. The battery can be connected to a wall charger, car charger, laptop, or power bank, among others.

Main advantages

✅ Direct charging via USB-C port
✅ 5500 mAh capacity ensuring long runtime
✅ Maximum continuous discharge current of 12 A
✅ Maximum discharge current up to 15 A
✅ Built-in LED indicator showing charging status
✅ Protection against overcharging, excessive discharging, current overload, and short circuit
✅ Lifespan of over 500 cycles
✅ Protruding positive terminal Button Top
✅ Built-in USB-C port eliminates the need to use a separate charger for the cells each time
✅ Suitable for efficient flashlights, diving flashlights, and outdoor equipment

⚡Safe usage every day

The battery is equipped with a protection circuit that safeguards the cell against:

• overcharging,
• excessive discharging,
• current overload,
• short circuit.

This allows for safer use of the battery in compatible devices that require both high capacity and appropriate current performance.

🔌Charging via USB-C

The built-in USB-C port allows for convenient charging without a separate slot charger. The battery can be connected directly to a wall charger, car charger, laptop, or power bank. Full charging via USB-C takes about 3.2 hours under conditions specified by the manufacturer.

The built-in LED indicator allows you to check the charging status and informs whether the battery is still charging or is ready for use.

⚡High capacity and performance

A capacity of 5500 mAh provides a large amount of stored energy, translating to longer operating time for compatible devices. At the same time, the battery offers a maximum continuous discharge current of 12 A and a maximum discharge current of 15 A.

This combination of capacity and current performance makes the battery suitable for high-power flashlights, tactical flashlights, diving flashlights, and other compatible portable equipment.

⚠️Warning

The maximum continuous discharge current is 12 A, while the maximum discharge current is 15 A. Before use, ensure that the parameters and dimensions of the battery are compatible with the requirements of the powered device.

The new version uses a positive Button Top terminal and has a length of 76.5 ±0.5 mm, so it is advisable to check compatibility with the device before purchase.