The Button Top - 21700 Molicel 4200 Battery is a high output cell perfect for flashlights that require extended cells lengths with high output like the 360 Lantern from Maratac 

Note : Lantern Flashlight Not Included! ( Here )

 

MOLICEL INR-21700- BUTTON TOP CELL SPECIFICATIONS: 

• Molicel INR-21700-Button Top - Datasheet
• Size: 21700
• Approximate Diameter: 21.4 mm +/- 0.15mm (May be slightly thicker than most standard 21700)
• Approximate Length: 72.3 +/- 0.15mm (including button)
• Brand: E-One Moli Energy Corp. (Molicel) & New Power Energy (NPE)
• Manufacturer Rated Capacity: 4200mAh
• Manufacturer Rated Standard Discharge Capacity: 4900mAh (Minimum)
• Manufacturer Rated Max Discharge Current Continuous with higher peak : 9.8
• Nominal Voltage: 3.6V
• Peak Voltage: 4.2V
• Protected: NO
• Style: Button Top
• Color: Black