Synergy Digital Replacement Batteries, Compatible with GP 23A Battery, (Alkaline, 12V, 33 mAh) Ultra High Capacity, Combo-Pack Includes: 50 x A23 Batteries

High-Quality Batteries: Special devices require a special level of energy. As such, these A23 Batteries are built to meet the requirements of todays high-powered devices designed to deliver dependable power for all your gadgets.
Multi-Purpose Use: Compatible with a variety of devices, these A23 Batteries provide reliable power for keyless entry systems, calculators, remotes, cameras, video game controllers, Bluetooth headsets, glucose and blood monitors, and more.
Free of Mercury: Energizers A23 Alkaline Batteries feature advanced engineering and state-of-art manufacturing with zero mercury to responsibly power your devices with less impact on the environment.
Superior Service: Designed for electronic applications which may require high rate pulses, this A23 Battery has a Magnesium Dioxide chemical system to offer superior service at all drain rates, optimal cold temperature performance and a longer shelf life.
Improved Construction: Battery leaks are a problem that can damage devices. has made improvements in our battery construction in recent years to help prevent alkaline leakage issues to ensure your devices are powered and better protected.