Securitron B-12-5

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12VDC battery for complimenting the BPS series power supplies. Use in situations where you need your doors to always be locked, or when you have users who do not have a mechanical key backup to the door, and must be able to gain access with their code or card during a power failure. Order when your power supply is going to be next to door and you plan on setting the power supply voltage at 12VDC Show more