• Alloy plastic construction, tough and wear-resistant, high-power MOS tube
• With power indicator light and power button 
• Large capacity, small size, easy to carry
• Multiple protection, over-voltage/over-charge/over-discharge/over-current/short-circuit/temperature protection
• Three output modes, a wide range of applications
• Please check in advance whether the product matches the output voltage range of the battery pack

Specifications:

• Output:
• DC1: 25.2V (29.4-21V) 3A
• DC2: 12/15V 2A (DC4017)
• USB: 5V 2A
• Input: 29.4V 0.95A (DC5521)
• Capacity: 15400mAh
• Charging working temperature: -20-60℃
• Discharge working temperature: 0-45℃
• Size: about 16 x 8.2 x 2.2cm
• Weight: about 427g