Directed Electronics - Viper Backup Battery System - Black
Model: 520T
SKU: 1721186
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Backup battery for Viper system. Can still arm/disarm vehicle with vehicle battery disconnected but will not activate power locks, etc., only the siren.
Posted by Anonymous575757
Does what it's suppose :) Not sure on how many years the battery will last but for the price replacing it won't break the bank.
Posted by 06TypeS
This just got installed today, but I'm sure it will make a superior addition to the security of my vehicle
Posted by Rick