VOLTCRAFT erikoisakku 26650 Flat-Top Li-Ion 3,7 V 5000 mAh 1 kpl (VC-17666010)

With a capacity of 5000 mAh and an energy content of 18.5 Wh, this 26650 lithium-ion battery delivers long-lasting power for high-drain devices. The flat-top design and unprotected cell make it ideal for custom battery packs, flashlights, and power banks where space and performance matter.

Overview

The VOLTCRAFT VC-17666010 is a cylindrical 26650 rechargeable battery with a nominal voltage of 3.7 V. It uses lithium-ion chemistry and features a flat-top terminal, making it compatible with devices that require a flat positive contact. The battery is sold individually and is part of VOLTCRAFT's Special Battery series, known for reliable energy storage.

What stands out

• High 5000 mAh capacity for extended runtime
• Flat-top design for custom battery packs and devices with flat contacts
• Unprotected cell allows flexible integration in protected battery management systems
• Standard 26650 size (26.5 mm diameter, 65 mm length) fits most compatible devices
• CC/CV charging method ensures safe and efficient charging up to 4.2 V

Technical details

• Battery type: Rechargeable
• Battery chemistry: Lithium-Ion (Li-Ion)
• Battery size: 26650
• Nominal voltage: 3.7 V
• Capacity: 5000 mAh
• Energy content: 18.5 Wh
• Terminal type: Flat-Top
• Form factor: Cylindrical
• Quantity per pack: 1
• Max charging voltage: 4.2 V
• Standard charging method: CC/CV (Constant Current/Constant Voltage)
• Protection circuit: Unprotected
• Diameter: 26.5 mm
• Length: 65 mm
• Product series: Spezial-Akku
• Typical applications: Flashlights, Power Banks, Custom Battery Packs

Our verdict

For demanding applications that require a high-capacity 26650 cell, the VOLTCRAFT VC-17666010 is a solid choice. Its flat-top design and unprotected nature offer flexibility for builders and advanced users, while the 5000 mAh capacity ensures long operation between charges.