According to a number of reader comments and a subsequent comment from a Zagg customer service representative, some of the company’s ZAGGsparq Portable Battery Backup & Chargers have been facing charging malfunctions, failing to provide a charge out of either USB port. The charging device offers a 6,000 mAh lithium polymer internal battery, LED lighting to indicate the current power level, two USB ports to charge multiple devices at once,…
