{"product_id":"directed-520t-this-optional-back-up-battery-adds-to-the-security-of-any-install","title":"Directed 520T - 12 Volt Backup Battery and Sensor","description":"\u003cstyle\u003e#html-body [data-pb-style=MLHY2OG]{justify-content:flex-start;display:flex;flex-direction:column;background-position:left top;background-size:cover;background-repeat:no-repeat;background-attachment:scroll}\u003c\/style\u003e\u003cdiv data-appearance=\"contained\" data-content-type=\"row\" data-element=\"main\"\u003e\u003cdiv data-background-images=\"{}\" data-background-type=\"image\" data-element=\"inner\" data-enable-parallax=\"0\" data-parallax-speed=\"0.5\" data-pb-style=\"MLHY2OG\" data-video-fallback-src=\"\" data-video-lazy-load=\"true\" data-video-loop=\"true\" data-video-play-only-visible=\"true\"\u003e\u003cdiv data-appearance=\"default\" data-content-type=\"text\" data-element=\"main\"\u003e\n\u003cp\u003e\u003cstrong\u003eSpecifications:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e12 Volt Backup Battery System\u003c\/li\u003e\n\u003cli\u003ePowers siren when battery is disabled\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThe  520T battery back up is Good you have to know how it works I have installed over 200 of them in the past year with all car alarms code-Alarm and VIPER the best alarms to use is the DEI VIPER alarms as there is no feedback on the remote start wires like code-Alarms the only thing I don't like is DEI recommend only the alarm unit itself only on the Gray wire of the 520t this unit will only put out 15 to 20MA max after that it will drop the output below 12v on the Gray wire power output wire for the alarm and drop the output power on the red battery wire this is why the 12v batter back up will go dead after any ware from 1 to 3 mounts any accessories like 509u 508d or the DEI tilt sensor and dei relays is over the current limitations of DEI.\u003c\/p\u003e\n\u003cp\u003eSOLUTION to this problem I have found that you run a fuse wire from the car battery to the Red back up battery this will be your solution to this the back up battery and the Gray wire will match the output power of the car battery and when the car is running will max out at 13.9 to 14.5v also you can now upgrade from the BS 12v .08AMP battery to a 12v 1.5AMP or even an alarm battery 12v 4.5AMP the car battery will charge it.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/div\u003e\u003c\/div\u003e","brand":"Directed Electronics","offers":[{"title":"Default Title","offer_id":52329011741010,"sku":"520T","price":59.99,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1015\/4364\/1426\/files\/520t_large_72156d27-375b-4f51-be2b-8e2a171b12b4.jpg?v=1766401493","url":"https:\/\/www.caraudiosecurity.com\/products\/directed-520t-this-optional-back-up-battery-adds-to-the-security-of-any-install","provider":"Car Audio Security","version":"1.0","type":"link"}