Batteries Efest INR 18650 - 3000 mAh - 3.7V

The Efest INR 18650 battery delivers 3000 mAh of reliable power for your regulated box mod. This high-drain lithium-ion battery uses INR chemistry, which means safer operation compared to older ICR batteries. At 3.7V nominal voltage, it gives you consistent performance for all-day vaping sessions. With 3000 mAh capacity, this 18650 battery balances runtime and size well. You get extended vaping time without the bulk of higher-capacity cells that might not fit your mod. The standard 18650 format works with most regulated devices on the market. This makes it a solid choice for your battery rotation. This battery requires an external charger and proper handling knowledge. The INR chemistry provides good thermal stability. You still need to respect amp limits and use quality charging equipment. At $9.99, you get genuine Efest quality without overspending on your battery setup.