How do i protect my alternation from this drawing too much current i have a large lifepo4 battery bank?

That’s exactly the point. If you use it to charge from a flood/AGM starting battery, it will limit the draw to the D.C.-D.C. charger rating. So if you have a 60A alternator, choose 20-30A charger

I dont want my battery to be used to start my rv. does the charger contain a backfeed diode (to prevent power coming from the rv battery)?

A reverse current from the RV battery cannot occur. In addition, the Orion-TR Smart is isolated galvanically separated.

I’ve connected the input terminals to the starter battery and confirmed 14.4 v at the input terminals. Why won’t my unit turn on? Defective unit?

There is a green connector inside the box to connect to the "remote" on the left side of the unit. It cannot run if there is a discontinuity between the 2 pole of this remote.

Does this have a built in battery protect, or do i need to add this separately?

Not sure what you mean. It does monitor voltage levels and you can set specific charging profiles. I believe it may have reverse polarity protection in case you hook up the battery wrong.

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Description

🔌 Power your adventures smarter, not harder.

SCALABLE POWER BOOST - Connect multiple units in parallel to amplify your charging capacity without limits.
PLUG AND PLAY INSTALLATION - Screw terminals make setup quick and tool-free—get powered up in no time.
SMARTPHONE CONTROLLED CHARGING - Monitor and tweak your charger’s performance anytime, anywhere with the VictronConnect app.
EFFORTLESS DUAL BATTERY MASTERY - Seamlessly charge your service battery from your start battery for uninterrupted power on the go.
UNIVERSAL BATTERY COMPATIBILITY - Optimized for both lead acid and lithium batteries, giving you ultimate flexibility.

The Victron Energy Orion-Tr Smart DC to DC Charger is a professional-grade, 12V 30A isolated charger delivering 360W of power. Designed for dual battery systems in vehicles and boats, it features Bluetooth connectivity for real-time monitoring and control via the VictronConnect app. Compatible with lead acid and lithium batteries, it supports parallel connections to scale output and offers easy installation with screw terminals.

Specifications

Item Package Dimensions L x W x H	8.23 x 5.43 x 3.9 inches
Package Weight	1.89 Kilograms
Item Dimensions LxWxH	5.12 x 2.76 x 7.32 inches
Item Weight	1.35 Kilograms
Brand Name	Victron Energy
Warranty Description	Warranty
Model Name	Victron Energy Orion-Tr Smart 12/12-Volt 30 amp 360-Watt DC-DC Charger Isolated (Bluetooth)
Color	Blue
Material	Plastic
Suggested Users	unisex-adult
Number of Items	1
Manufacturer	Victron Energy
Part Number	ORI121236120
Included Components	Victron Energy Orion-Tr Smart 12/12-Volt 30 amp 360-Watt DC-DC Charger Isolated (Bluetooth)
Size	12/12-30A

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