Fogstar Energy 3800 18650 Battery – 3.8 Ah, 10 A

Long-lasting power meets compact design with the Fogstar Energy 3800 18650 Battery (FS3800). This flat-top, unprotected cell offers a solid 3,800 mAh capacity and a steady 10 A continuous discharge, making it an excellent choice for everyday vaping, flashlights, and electronics requiring reliable energy. 

Key Features

• High Capacity: 3,800 mAh ensures extended runtime between charges.
• 10 A Discharge Rate: Supports mid-power devices effectively. 
• Compact 18650 Flat-Top Design: Fits most standard mods and compact builds.
• Quality from Fogstar: Trusted UK manufacturer offering consistent performance. 

Technical Specifications

Safety Notice

⚠ Important Safety: This is an unprotected lithium-ion cell—use only in regulated devices or packs with proper safety circuits. Always charge with a dedicated Li-ion charger and store in a secure case. Inspect wraps regularly; replace or rewrap if damaged. Never carry loose in your bag or pocket. 

Recommended Accessories

• Nitecore D4 Battery Charger – Flexible and safe charging for 18650 cells
• 18650 Protective Battery Case – Ideal for storage and transport
• Fogstar Energy 4000 18650 Battery – Higher capacity option for extended use

Why Choose the Fogstar Energy 3800?

• Excellent balance of capacity and discharge for everyday devices.
• Compact form factor—perfect for pods, mods, and tactical lighting.
• Reliable, UK-manufactured performance you can trust.