Buy the THUNDERBOLT Heavy Duty Batteries (Item 61675) for $1.99 with coupon code 77893895, valid through August 28, 2022. See the coupon for details.
Our THUNDERBOLT MAGNUM heavy duty batteries deliver reliable power, so stock up on these batteries and save! These heavy duty batteries can also be used at work to power up tools, lights and other items around the shop so pick up a set for the home and one for the shop!