XTAR 21700HP 5000mAh Battery - Protected Button Top

Key Features

• 25A max continuous discharge for high-drain performance
• Large 5000mAh capacity for extended runtime
• Rated for 500+ charge cycles for long service life
• Built-in explosion-proof safety valve
• Gold-plated protection circuit enhances reliability

Note: This is a button top protected 21700 battery which is longer than a standard flat top unprotected 21700 battery.

Overview

The XTAR 3.6V 21700HP 5000mAh Lithium Battery is engineered for high-demand electronics requiring strong, stable output. With a 25A continuous discharge rating, advanced internal safety features, and a highly durable protection circuit, this cell delivers exceptional capacity and reliable power for professional-grade devices.

Applications / Uses

• High-drain LED flashlights
• Professional lighting tools
• Portable equipment needing long runtime
• High-performance electronics
• Specialty and hobby applications

SPECIFICATIONS

Nominal Capacity	5000mAh
Minimum Capacity	4800mAh
Nominal Voltage	3.6V
Discharge Cutoff Voltage	2.5V
Max Continuous Discharge	25A (≤80℃)
Internal Resistance	≤23mΩ
Cycle Life	500+
Charging Voltage	4.2±0.03V
Standard / Max Charging Current	2.5A / 5A
Discharge Overcurrent Protection	25.5–35A
Transport Voltage	3.6–3.9V
Protected	Yes
Positive Terminal	Button Top
Operating Temperature	-20 to 50℃
Storage Temperature	-20 to 50℃ (Best ≤25℃)
Dimensions	φ21.5±0.3 × H70.5±0.3 mm
Net Weight	≤73g
Data Specification Sheet:	XTAR 3.6V 21700HP 5000mAh 25A Lithium battery Datasheet