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laptop charger universal laptop charger universal laptop adaptor Weare a profession company which produce laptop battery charger. We supply high quanlity products,and first class service. Functions: 1 This product is a portable charger for high capacity batteries of laptops. 2 Charge your laptop battery directly, without having to fix the battery to your laptop first. 3 Suitable for over 95% of the laptops in market with the separate connecting wire. 4 Report battery voltage, charge/discharge cycle count, and other pertinent information. 5 Charge your USB peripherals with the USB port. 6 Charge voltage and current can be regulated automatically. 7 Simplify charging process, save your time and preserve your laptop, especially when you own two batteries or more. Basic Parameters Model No.: RFNC4 Safety Standard: CE standard (UL, CB, GS, T-Mark etc. can be made as customers’ requirements) Input Voltage: DC 20V Maximum Input Current: 2A MAX USB Output: 5V±4%:≤500MA Standby power consumption: <1W With the repair zero-voltage-battery function Can realize lithium battery pack with the different combination Easy to carry: put it in your journey bag, computer bag or car. Length of charging time: 8 hours MAX(Different charging time for batteries of different capacity) Operation Temperature: 0°C 40°C/20% 90% RH(Non Condensing) Storage Temperature: -20°C 65°C/10% 95% RH(Non Condensing)