This Efest battery is covered by a metallic sleeve to reduce tearings and improve vapers safety. It offers a maximum pulsed current of 20 A with a good capacity of 3500 mAh.

Features

• Metallic Sleeve
• Type : Li-Mn
• Maximum pulsed current : 20 A
• Capacity : 3500 mAh
• Nominal voltage: 3.7 V
• Maximum voltage : 4.2 V
• Dimension : 18 X 65 mm