As one of its daily deals, 13 Deals offers the Pilot Electronics 5,200mAh Portable Battery Pack / Heat Pack for $19.99 with free shipping. That's the lowest price we could find by $20. It heats up to 120 degrees and lasts for up to 3.5 hours. A Micro USB cable is included for charging. Deal ends today.
Some chains have retired their senior discounts. But these grocers still have deals for the silver-haired set.