IMREN IMR18650 3000mAh 3.7V 40A high drain rechargeable battery with flat top for mechanical and box mods. IMREN is a new upcoming battery company producing quality products at a fraction of the price. The IMR 3000mAh 3.7V 40A is the newest battery delivering a longer-lasting battery life for mechanical and box mods. They can support a maximum load of a whopping 40A and are perfect for sub-ohm resistance vaping on your favorite mod. This is one of the safest batteries on the market!