Battery Rechargeable Li-Ion 5000mAh 21700

Battery Rechargeable Li-Ion 5000mAh 21700

Maximum capacity for maximum missions. The AlphaLife247 Powertac 5000mAh 21700 delivers high-density lithium-ion power in a larger-format cell — engineered with internal PCB protection and built to ISO9001-2000 and IEC standards for long-term reliability in the field.

⚠️ Important: The 21700 is NOT a drop-in replacement for 18650 batteries. The 21700 has larger dimensions — verify compatibility with your device before ordering.

Field Utility

• 5000mAh high-capacity output — more runtime per charge than standard 18650 cells
• Internal PCB protection prevents under-voltage and over-voltage at 3.6V for safe, reliable operation
• High energy density with lower weight than comparable rechargeable batteries
• 500+ cycle life — long-term investment in field reliability
• Compatible with 3.6V devices designed for the 21700 form factor
• Manufactured under ISO9001-2000 / IEC tested for capacity, quality, and lifetime

Compact & Field-Ready Larger format, larger capacity. Built for devices that demand maximum runtime — purpose-matched power for your 21700-compatible gear.

AlphaLife247 Field Note More capacity. More runtime. More mission. The 21700 is built for operators who don't settle.