USBCell batteries may have been available for quite sometime, but for those who need AA battery power on the go, this should do the trick. To recharge, simply pop off the cover and plug in the battery into USB port of your computer, laptop, gaming console, or a charging station. Product page. Continue reading for a video review and more information.
In a powered USB socket, USBCELL should take about 5 hours to charge to over 90% of capacity, sooner if the battery was only partly depleted. Thanks to the intelligent charging circuitry of USBCELL, it’s OK to “top up” or just partially charge USBCELL if you need the power in a hurry; NiMh batteries aren’t affected by partial charging or ‘memory’ problems, unlike Nickel Cadmium (NiCad) batteries.