Kp Original Battery Important Safety Information: 1) When inserting batteries into your device, please take care to match the right polarities (+ and – ends) marked on the battery to the device; 2) Batteries which are incorrectly inserted into devices may be short-circuited. 3) Our lithium batteries use the highest quality cells of the safest technology and pass 14 safety test, our batteries are safety and reliability. 4) Provide always Fresh new Power. Embedded with innovative technology,solid output 1.5 voltage from 100% to 0% electric capacity, providing constant voltage and best performance even in very heavy load. Notes: The lithium aa battery is not suitable for high power flashlight. USB Direct Charge, No More Chargers No more Extra/Special Charger needed. Connect the USB cable to any USB port for a convenient, such as phone charger, power bank, laptop, car adapter, computer, USB wall charger etc… fast charging experience at any time any where. operating temperature: -20 to 60 degrees C,Adapt to more environments. Multiple Protection, More Safer *Input High Voltage Protection *Output High Voltage Protection *Input Current Regulation *Output Current Regulation *Input Short Circuit Protection *Output Short Circuit Protection *Automatic Current Metering *Output Temperature Control Widely Applicable AA batteries is compatible with home appliances, such as digital camera, toy, remote control, handheld game, PDA, flashlight, alarm clock, LCD TV, toothbrush, razor and portable audio player. Led indicator Charging–the RED led blinks, Fully charged–the RED led remains on. Let you know when they are fully charged. Thanks to the advanced Lithium Ion technology, your batteries will last over 1200 times charges. They charge fast and easy, so if you need to put them to work and suspect they are not full, just plug them in for a little while and you’ll be good to go very soon.