Amazon offers the 2-Pack ThorFire 18650 3.7V Li-ion Batteries & Charger for a discounted price of $9.00 via coupon code "RN8A2PMO" plus snag free shipping on orders above $49, or with Amazon Prime. Limited time offer. You save $30.99 off the price! That's the lowest price we could find. This has a 3.9 out of 5 star rating with near 200 reviews on Amazon.

• Two batteries are 18650 rechargeable 3.7V batteries
• Applications includes most flashlight, laser point, led torch, digital camera and more