The Efest 21700 Battery is a high drain flat top battery ideal for box mods, featuring a capacity of 3700mAh, continuous discharge current of 35A and discharge protection voltage of 2.5V.

PLEASE NOTE:
This is high capacity and high discharge current battery. Make sure you have enough knowledge of Li-Ion rechargeable batteries in charging, discharging and assembly before use.
DO NOT let your batteries come into contact with metal objects such as keys, loose change or any other metal objects in your pocket, purse, bag or anywhere else. When the battery is not in use, you’d better store it in a safe place to reduce the risk of a battery explosion.

Efest 21700 Battery Features:

• Brand: Efest
• Size: 21700
• Type: Lithium-ion
• Rated Capacity: 3700mAh
• Nominal Voltage: 3.7V
• Charge Voltage: 4.2V
• Cut Off Voltage: 2.5V
• Standard Charge: 2.0A
• Max Charging Current: 4.0A
• Max Continuous Discharge Current: 35A
• Top: Flat Top

Package Includes:

• 2 x Efest 21700 Battery

Safety Warning:

• DO NOT discharge below 2.5V.
• DO NOT over-discharge or over-charge.
• DO NOT short circuit to prevent massive release of current.
• DO NOT throw batteries into fire.
• DO NOT leave unattended inside a vehicle.
• DO NOT leave unattended while charging.
• DO NOT use if the battery looks worn, torn, or is exhibiting unusual behavior.
• DO NOT store or carry your batteries in your pocket, purse or anywhere they can make contact with other metal objects.
• Recharge empty batteries (resting voltage of 3.6V) as soon as possible. Batteries that are fully drained and left in a discharged state for a long time could result in irreversible damage.
• Users must have knowledge on how to charge and discharge Li-Ion batteries before making Li-Ion Battery Packs.
• We are NOT responsible for any damage that is caused by the misuse of Li-Ion Batteries.