The battery life of the cart pen that looks like a vape is designed to be long-lasting and reliable. Here are some key points regarding its battery life:

1. High-Quality Battery: The cart pen that looks like a vape is equipped with a high-quality battery that ensures long-lasting performance.

2. Rechargeable: The integrated rechargeable battery is an eco-friendly option that saves you money on replacements and is convenient to recharge with the included USB charging cable.

3. Battery Lifespan: Most 510 thread batteries, like the one in the cart pen that looks like a vape, will last between six months and two years, depending on usage and care.

4. Frequency of Use: The more you use your vape battery, the shorter its lifespan will be. Regular draining of the battery means more charging time, which can affect its longevity.

5. Battery Capacity: High capacity 510 thread batteries, like the one in the cart pen that looks like a vape, tend to have longer lifespans. It's recommended to look for vape pens with a capacity in the 300-600 mAh range for better battery life.

6. Proper Care: Proper storage, avoiding extreme temperatures, and regular cleaning of the threads can help extend the battery life.

7. Charging Habits: Avoid overcharging and draining the battery completely before charging. It's advised not to leave the 510 thread battery charging overnight and to charge it when the battery reaches around 20%.

In summary, the cart pen that looks like a vape is designed with a high-performance, rechargeable battery that can last for a significant period with proper care and usage.