Recently the output from controller has been over 16 volts. Hooked up to two 100 watt panels. Is this unit bad? Don't want to damage my batteries.

UNREGULATED 16 Volt DC can damage a battery but a working controller should prevent this. You can check the output of the controller and see what the voltage is. Should be no more than 15 Volts DC at most ... if it's higher, you have a problem that should be corrected. You may have a higher voltage directly off the panel without the controller. Mine in bright sunlight can get as high as 20 Volts DC. Again ... a working controller should prevent you from frying your battery. Just make sure it's working before hooking up the battery!

I have two 100watt hqst panels that are 5.8amps. i can’t put these in parallel can i?

I wouldn't do that. I would get a controller that could handle12 amps like a 20 amp or at least 15 amps. If you exceed the rated capacity then it may damage the unit or cause malfunction. They make higher capacity controllers at Renogy for a little more cost. I only have one 50 watts panel to keep a battery topped off which is around 2.85 amps.

I have a single renogy 100w 12v poly/ mono solar panel. is it possible to use this panel/controller combo to charge 2 12v batteries in series?

It should work with your setup since it automatically detects 12 or 24 volts. One thing That might be a problem is the 12v panel voltage. You may need a higher voltage panel or put two panels in series. It should be easy to do a quick mock up on the ground and check it out. Also, my advice is worth exactly what you are paying for it.

Can I hook up a 24 volt solar panel and charge a 12 volt battery?

Thank you for contacting Renogy, The 10-amp Wanderer can accept up to 50-Volts D/C. However, please note that it can only accept 100-watts of solar input when charging a 12-volt battery bank.

Wanderer | Desertcart Solomon Islands

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SI$933

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Sold byAmazon Solomon IslandsDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Description

🔋 Charge smarter, live freer — power your adventure with Renogy Wanderer!

COMPACT DURABLE DESIGN - Fits anywhere with rugged build quality for long-term reliability.
POWERFUL 30 A PWM CONTROL - Maximize your 12V battery life with efficient 4-stage charging.
SEAMLESS BLUETOOTH MONITORING - Stay connected and in control remotely via Renogy DC Home app.
INTELLIGENT SAFETY PROTECTIONS - Built-in safeguards against reverse polarity, overcharge, and short circuits.
UNIVERSAL BATTERY COMPATIBILITY - Supports Lithium, AGM, Gel, and Flooded batteries effortlessly.

The Renogy Wanderer-Li is a compact 30A PWM solar charge controller designed for 12V battery banks, including lithium types. Featuring smart 4-stage charging, Bluetooth connectivity via RS232 port, and multiple LED indicators, it offers real-time system monitoring and enhanced battery longevity. Its rugged build and intelligent protections make it a reliable choice for professionals seeking efficient, hassle-free solar power management.

Specifications

ASIN	B07G1PL1B9
Brand	Renogy
Brand Name	Renogy
Color	black
Colour	black
Customer Reviews	4.4 out of 5 stars 2,275 Reviews
Display Type	LED
Global Trade Identification Number	00816360027676
Included Components	controller
Item Dimensions L x W x H	16.5L x 10.9W x 4.6H centimeters
Item Type Name	Solar Panel Regulator w/ Temp Sensor Function Fit for Lithium, Sealed, Gel, and Flooded Batteries, Wanderer Li 30A
Item Weight	136 g
Item weight	136 g
Manufacturer	Renogy
Material	Lithium
Material Type	Lithium
Model	Charge Controller
Number of Items	1
Operating Temperature	20 Degrees Celsius
Part Number	RNG-CTRL-WND30-LI
Product dimensions	16.5L x 10.9W x 4.6H centimeters
UPC	816360027676
Unit Count	1 Count
Voltage	12 Volts
Warranty Description	1-year material and workmanship warranty

Reviews

N**L

Excellent value and quality, great output and convenient size.

No complaints at all so far. Plugged a 160W Kings Folding panel into it, and in late afternoon, Winter sun on the east coast of Australia, angled towards the sun the best I could, I was pulling 7.85A out of this controller which is more than enough to keep my fridge running indefinitely off my lithium battery. Don't let people tell you that an MPPT is superior, because for small panels, there's very little difference in my experience. Excellent controller that I bought as a backup in case my CTEK blows an internal fuse (again) and is totally useless. Build quality is good, hard plastic with an aluminium base plate. The grub screws hold 8AWG cable very well and it won't pull out on their own easily. The LED indicators are very bright and easy to see in sunlight too.

29.06.2021

A**R

Great choice

Working as intended easy wiring accessories working as intended looks great real time battery status

26.08.2026

J**E

Great purchase

Works perfectly very fast delivery arrived 2 days early great bit of kit

28.12.2023

D**E

Great little unit.

I brought this as an upgrade from one of the unbranded charger controllers to give me some room to upgrade and as with all the other Renogy kit I've installed it hasn't disappointed. Holds a better charge voltage for longer delivering more amps and handles cloudy cover better than the cheap unit. Worth the money if you're not splashing out on an MPPT.

12.05.2021

K**R

Simple to use

I bought this charge controller to replace the very cheap and nasty default controller that came with my solar panels. This one works very well. Simple to use, just has solar in and battery out. No load connections, and for my set-up that is perfect as load is directly off the battery. The controller has start, bulk and float charge modes. There is a maintenance mode but that hasn't been activated yet. I also bought the BT01 adapter so I can use the app to monitor it.

1.01.2023

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