Non-stop energy for your professional devices and work tools. Keep everyday work site devices going in the field, the office, the classroom, and anywhere else you need dependable alkaline battery power with Energizer MAX®. These batteries are built to protect your everyday professional devices from leakage giving you the confidence you’d expect from Energizer. Combined with the lasting power for everyday devices, MAX® 9V alkaline batteries hold their power for up to 5 years while in storage so they are ready for any occasion. Be prepared for anything – with power you can rely on from Energizer.