2X Pen Batteries Kit 400 mAh W/ USB Charger [510 Thread]

2X Pen Batteries Kit 400 mAh W/ USB Charger [510 Thread] – BOGO

2-Pack Includes:

• 2X Pen Batteries 400 mAh
• 510 Thread USB Charger
• Blister Packaging

Features:

• Type: Preheating Battery
• Capacity: 400 mAh
• Thread: 510
• Length: 8.7cm
• Dia: 11.2mm
• Voltage: 3.4V-3.7V-4.0V
• Feature: LED light indication for Variable Voltage
• 5 clicks to Power On/Off, 3 clicks to change the output voltage, 2 clicks to preheat