As one of its daily deals, That Daily Deal offers the Pilot Electronics 5,200mAh Portable Battery Pack / Heat Pack for $14.99 with free shipping. That's tied with yesterday's expired mention and the lowest price we could find by $25. 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.
Staying in the workplace longer has obvious financial benefits. But it has less obvious perks, too.