Key Features
- 6000mAh high-capacity cell for extended runtime
- Rated for 600+ charge cycles for long service life
- 10A continuous discharge for stable high-power performance
- Built-in protection circuit enhances operational safety
- Optimized for reliable charging with XTAR smart chargers
Overview
The XTAR 3.6V 21700 6000mAh Lithium Battery offers exceptional runtime and stable output, engineered for devices requiring both high capacity and consistent power delivery. Featuring a 10A discharge rating, integrated protection circuitry, and dependable thermal performance, this button-top cell is designed for demanding lighting and electronic applications.
Applications / Uses
- High-capacity LED flashlights
- Professional and work lighting tools
- Portable electronics requiring extended runtime
- High-efficiency battery packs
- Specialized and hobby electronics
SPECIFICATIONS
| Model | 21700 |
| Nominal Capacity | 6000mAh |
| Minimum Capacity | 5850mAh |
| Nominal Voltage | 3.6V |
| Discharge Cutoff Voltage | 2.5V |
| Max Continuous Discharge | 10A |
| Internal Resistance | ≤45mΩ |
| Cycle Life | 600+ |
| Charging Voltage | 4.2±0.03V |
| Standard / Max Charging Current | 3A / 4.2A |
| Discharge Overcurrent Protection | 11~14A |
| Transport Voltage | 3.6~3.9V |
| Protected | Yes |
| Positive Terminal | Button Top |
| Operating Temperature | -20 to 60℃ |
| Storage Temperature | -5 to 35℃ (Best ≤25℃) |
| Dimensions | φ21.8±0.3 × H74.8±0.5 mm |
| Net Weight | ≤76g |
| Certificates | RoHS, CE |
| Data Specification Sheet: | XTAR 3.6V 21700 6000mAh Lithium battery Datasheet |
⚠ Important Safety Warnings
While this battery is equipped with built-in protection circuitry to help prevent overcharging, over-discharging, and short circuits, improper handling or misuse can still result in FIRE, EXPLOSION, or THERMAL RUNAWAY, causing personal injury or property damage. Users must read and follow all safety guidelines before purchase and use. Click here to review the full safety guidelines.
- Intended Use: This battery is designed for use in flashlights, headlamps, and similar devices that require a button top configuration. Ensure compatibility with your device before use.
- Protection Circuit Limitations: While the protection circuit provides additional safety, it cannot prevent damage caused by misuse, including exposure to liquids, extreme heat, or physical damage.
- Storage & Transport: Always store batteries in protective cases to prevent accidental contact with metal objects (e.g., keys, coins, tools) that can cause a short circuit. Do not store loose batteries in pockets, bags, or other uncontrolled environments.
- Inspection: Do not use if the battery is dented, leaking, bulging, or if the outer wrapper or button top is damaged.
- Charging: Use a smart charger specifically designed for button top protected batteries. Do not exceed the battery's voltage and current specifications. Never leave the battery unattended while charging.
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Prohibited Activities:
- Do not expose the battery to water, fire, or high heat.
- Do not modify, puncture, crush, or attempt to disassemble the battery.
- Do not use the battery if it becomes unusually hot during use or charging.
- Emergency Response: If the battery overheats, emits smoke, or shows other signs of failure, stop using it immediately. Move the battery to a safe, non-flammable surface (e.g., sand or concrete) and follow emergency protocols.
Disclaimer
18650Battery.com is not responsible for any damages, injuries, or claims arising from improper use, handling, or failure to follow these safety guidelines. Lithium-ion batteries require strict adherence to all safety protocols. It is the reseller's responsibility to ensure all safety warnings and product guidelines are effectively communicated to customers. Users and resellers assume full responsibility for the safe handling, usage, and distribution of this product.