portable power
Portable power is an external power device with small size and light weight, you can put it into your backpack as backup battery, it gives one a form of alternative energy.

  Model ABS-303 is a power bank with fashion desigh ,  the capacity of its built-in Li-polymer batteries is twice as the laptop batteries, and have the pertinence for the recharging & power supply to laptops, meantime they can also recharge or supply power to digital commodities, such as mobile, MP3, PMP, PDA, GPS, DVD.  Specifications:-  Battery type:   Lithium-Polymer Cells-  Dimension (L * W * H):      169*95.5*24.5(mm)-  Weight (Net):                        about 737g-  Rated DC Input Voltage & Current： 14V  2,000mAh-  Rated Output Voltage & Max. Current:        DC  3.3V  1500mAh   DC  5V    1,500mAh   DC  6V    600mAh   DC  7.5V  1,500mAh   DC  9V   1,500mAh   DC  12V  3,000mAh   DC  16V  3,000mAh   DC  19V  3,000mAh-  Input AC Voltage:                100—240V 50/60HZ-  Charging time:                    about 4 hours-  Capacity:                              3.7V  19,200mAh-  Working Temperature:      -10C-50C(-22F-120F)-  Idle Discharge:                   Less than 130uA-  Use time:                             Over 500 times-  Standard Accessories:      1 adapter, 2 cables and 15 connectors  Features:1.  High compatibility(19,200mAh) is equivalent to 4-30 times of the common digital batteries, prolong 2-3 hours working time for laptop;2. Power capacity and selection indicator on the LCD with blue background (we’ll attach the product user manual for your further understand);3. Integrated connectors:for diameter of DC input port of each electronic device is different, we supply 15PCS connectors, and can be corresponded to almost mainstream brands DV, newest PSP, Nintendo DS, Game boy Micro, loptap etc;4.Intellectual chip:overcharge, overdischarge, and short circuit protection, automatically turn off if the mobile charger doesn't work in one minute;5.  Car power... Here are datas for your reference as below:This unit can offer power for Mobile phone for around 60 days;This unit can offer power for Digital Camera for around 40 hours ;This unit can offer power for Digital Video for around 24 hours ;This unit can offer power for small laptop for around 2-3 hours.