Due to their uniform consistency, MN21 Security Batteries primarily function as the power for such consumer electronic devices as garage door openers, car alarms, and key-less entry systems. They are designed for use in Wireless remote controls, wireless doorbells, security systems (alarms, locators). With reliability and long lasting power, these batteries are also used in calculators and watches, and can also be found to give superior performance for hand-held game devices. Duracell MN21 can fit many electronic key fobs, such as garage door openers, so the Duracell MN21 battery is a highly flexible battery that can be used in a large amount of applications. For high-performance needs, such as digital cameras, GPS devices, and flashlights, lithium batteries are top-notch.

They are suitable for use in wireless remote controls, wireless doorbells and security systems (alarms, locators). Having an extra MN21 Security battery on hand is never a bad idea in case of a power outage or natural disaster. However, Duracell cannot guarantee the quality, safety, or performance of other battery brands, so using Duracell rechargeable batteries is recommended. Users that have used the Duracell MN21 key fob battery in garage door openers have reported that it keeps a larger range, for a longer amount of time when compared to other batteries. When fishing for carp you don’t want to negatively influence the performance of you bite alarm by using cheap or low quality batteries.

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They are designed for use in electronics (bike computers, postal scale, desktop clock radio, electronic diary), security (bank card reader), medical devices (glucometers, heart rate monitor), fitness devices (pedometer) and lights. Please note that customs and import charges are placed on packages after they reach their destination country. Power products are tested to the highest standards and manufactured using high quality components to deliver outstanding performance. They quietly power our devices, making it possible for us to stay connected, work, play, and explore.In some instances we may also offer a compatible solution from carefully selected brands such as 2-Power to compliment our range or to cover models that Duracell do not currently cover.