Solar input is still limited to 25v on these? No upgrade planned? So much for connecting a single 450 watt 48v panel.

Another year later the input voltage is, yes, still 25 volt. I was hoping for a 50-75 volt model as well. My space can accommodate 1x 400 watt panel but not 2x 200 watt panels. Bummer.

what is the maximum current it draws from the alternator?.

The victron device shows 49 amps charge without solar hooked to it . A few 1000 mile trips and its workin great . Keeps the battleborn batterys at 14.4.

The manual says: "no temperature compensation when charging lithium battery". Why?

Lithium Batteries can be damaged if the temperature is too low (less than 32 degrees) when charging them. So you have to either have a heater (or a heat pad) to keep the batteries above temp, or you have to disconnect the charging circuit when the temperature is going to be below 32 degrees. That statement is just giving you a heads-up so that you are aware of the consequences that could occur

Can i use this in an rv trailer by connecting the dc side to the output on the trailers converter, instead of an alternator?

Sure you can but won't get a large amount of amps (unless you have a higher amp inverter/Converter) to charge the system.. Just be sure to wire it without a smart alternator which is found on newer cars.

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🔋 Charge smarter, drive farther — never get stranded again!

COMPACT POWERHOUSE - Lightweight (3.1 lbs) and slim design fits tight spaces without compromise.
ALL IN ONE SAFETY SHIELD - Multi-layer protections guard against over-voltage, reverse polarity, and overheating.
SMART SOFT START CIRCUIT - Protects your vehicle’s electrical system by gently ramping up voltage at startup.
NEXT LEVEL BATTERY MONITORING - Bluetooth-enabled app support (sold separately) keeps you connected and in control.
DUAL POWER SOURCES DOUBLE THE SPEED - Simultaneously charges from alternator and solar panels to minimize downtime.

The Renogy 12V 50A DC to DC Battery Charger combines advanced MPPT solar charging with alternator input for ultra-efficient, multi-stage charging. Designed for Gel, AGM, Flooded, and Lithium batteries, it delivers up to 50 amps with 99% solar tracking efficiency, fully charging a 1kWh battery in just 2 hours. Compact and lightweight, it features comprehensive safety protections and smart monitoring capabilities, making it the ultimate power solution for on-the-go professionals who demand reliability and speed.

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Item Weight	3.1 Pounds
Item Dimensions D x W x H	3"D x 9.6"W x 5.7"H
Color	Charger for Solar Panel and Alternator
Energy Specifications Met	energy
Battery Charge Time	2 Hours
Current Rating	50 Amps
Input Voltage	12 Volts
Output Voltage	12 Volts (DC)

Renogy 12V 50A DC to DC Battery Charger with MPPT, On-Board Battery for Gel, AGM, Flooded and Lithium Batteries, Using Multi-Stage Charging, Solar Panel and Alternator

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