• 2A Lightning Fast Charging Speed 
• Built-in USB output that can be used as fast charging “POWER BANK” system
• Military-Grade Quality Spring
• Smart and Automatic
• Uses Dynamic Distribution Technology
• Automatic Smart Temperature Regulation and Protection
• Reverse Polarity Prevention
• Made with High Quality Materials
• You can use it Anywhere You Go

Parameters

• Input voltage: AC 110-240V DC 12V /1A
• Input current: Li-ion 4.2V (2A*1/1A*2/0.65A*3/0.5A*4)
• Ni-mh Ni-cd 1.42V (0.5A*1/0.5A*2/0.5A*3/0.5A*4)
• Rechargeable battery models:
• Li-ion 18650/14500/16340/18350/18500/26650/20700/2170032650; NiHM AA/AAA batteries
• Protection: Short circuit protection/Over current protection/Reverse connection protection 
• Shell material: ABS+PC+ fire-retardant materials
• Working temperature: 0-40 degrees Celsius It comes with

1x VRK X4 PRO charger
1x power cord
1x VRK Pouch
1x Manual