AW IMR 18350 3.7v 700mAh Li-MN High Drain Button Top Rechargeable Battery Among the best batteries available. Perfect for your variable voltage ECig If quality is important to you, go with AW IMR batteries. AW batteries are known to be the best batteries in their class and popular among the vape community. They last a long time in between charges and work perfect in a mod vaporizer kit!The 18350s allows the possibility for using 2 batteries in some devices for a total of 7.4V delivered to your mod or device. Using two 18350 batteries rather than one 18650 results in longer battery life relative to the size of the batteries in most cases more power when higher voltages are used.These AW batteries are designed to be recharged hundreds of times over and over again! So If quality and performance is important to you, choose AW IMR batteries. ______________________________________________________________________________________________________________________________ When the battery is not in use, safety store all batteries in a battery case to reduce the risk of a battery explosion.Safe chemistry LiMN means reduced risk of venting with flame or explosion. Due to the safety inherent in IMR safe chemistry batteries there is no protection circuitry added or built in. This provides a slightly shorter battery length to enable a good fit in most mods.To ensure longevity, it is not recommended to allow the battery to discharge below 2.5V. Please note that due to their inherent safety, IMR cells don’t have a protection circuit built in. They should never be discharged below 2.5 volts or cycle life/performance will be reduced. Maximum charge voltage is 4.25 volts.Please be sure to inspect your battery before use to ensure it is not damaged including tears/rips in the battery wrap. Discontinue use immediately if battery is damaged. NOTE: Use special caution when working with Li-ion cells, they are very sensitive to charging characteristics and may explode or burn if mishandled. Make sure the user has enough knowledge of Li-Ion rechargeable batteries in charging, discharging and assembly before use. Always charge in/on a fire-proof surface. Never leave charging batteries unattended. We are not responsible for damage if there is any modification of the batteries/chargers in any form or shape (including pack making). We are not responsible for any damage caused by misuse or mishandling of Li-Ion batteries and chargers. We only recommend using Lithium Ion rechargeable batteries with a control circuit (protection PCB) to assure safe charge, discharge, etc, use of lithium ion batteries without a protection circuit is potentially hazardous centralvapors.com will not be held responsible or liable for any injury, damage, or defect, permanent or temporary that may be caused by the improper use of a LI-ION battery. Please have a basic understanding of the batteries you are using and how to care for them properly.