... 2, Competitive Price 3, Quick deliver Small 2200mAh Portable Power Bank 1, 2200mAh Power bank 2, Capacity: 2200mAh 3, Input: DC5. ... ,Mp3, MP4 etc2. Keep pushing on the button 2 seconds will turn LED lamp on3. Flexible recharging of Power Pack via notebook ... wall adaptor with USB charging cable4. Portable, rechargeable and universal power pack5. Safety with PCM to avoid overdischarge, overcharge and ...