H-D Dual-Source Heated Jacket Liner Review

The rechargeable 12V lithium ion battery measures about 1 inch x 4.5 inches x 4 inches (WxLxH), and weighs 0.8 pounds. Its fuel gauge registers from 1 (empty) to 9 (full). Charge time from empty to full is about three hours, while battery life is good for an average of 2 to 3 hours depending on which of its heating levels are selected.