What is the actual length of the charging cable? Need to know how far away I can place the panel from the battery

The main cord is 8ft. long with the the two connecting cords, ie, one to use when connecting to the battery and one to use when connecting through the cigarette lighter are about 15" each. I'm sorry it took so long to answer your question, it has been raining and my van isn't under cover. Hope this helps you.

Can i just connect the black and red clamps directly to an electric fence? Or do I need anything else?

You just need to connect the sun to the alligator clips to the battery and the other end sae head to the solar panel.

can I use this for light in my barn

You could if you connected it to a small 12v battery and used some of the 12 LED retrofit light kits they use for the interior of cars or an 12v led strip. I'd suggest maybe a 12v CCTV battery to make it affordable. Unless you are talking about large amounts of light, then you probably would be better off with some kind of pre-made solar light kit.

Does this unit have a charge profile controller for lead acid batteries, they prevent over charging & shut down the current as battery approaches 12v?

It has no controller. But if you charge small batteries, you need a controller. If you charge a large battery, you don't need a controller because its current is relatively small and it won't cause overcharging.

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POWOXI 7.5W 12V Solar Battery Charger Trickle Maintainer Kit for Car

Product ID: 91063792

Details

Brand
POWOXI
Color
Solar Powered
Item Weight
2.2 pounds
Output Voltage
12 volts
Product Dimensions
14.76"D x x

⚡7.5W high-efficiency solar panel

💧Waterproof & impact-resistant design

🔋Smart charge controller with 25-30% conversion

361.61 DT

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Sold byAmazon TunisiaDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Description

🔆 Power your adventures with smart solar energy—stay charged, stay unstoppable!

SMART SAFE CHARGING - Advanced internal protection prevents overcharging, short circuits, and battery damage.
PLUG PLAY CONVENIENCE - Easy installation with cigarette lighter and alligator clips—no mechanic needed.
UNIVERSAL COMPATIBILITY - Perfect for cars, boats, motorcycles, RVs, and more—never worry about battery drain again.
BUILT TO BRAVE THE ELEMENTS - Durable, waterproof tempered glass and ABS+PC frame withstand wind, snow, and impacts.
EFFORTLESS SOLAR POWER BOOST - Harness 7.5W of clean energy to keep your 12V battery topped off anywhere.

The POWOXI 7.5W 12V Solar Battery Charger is a rugged, waterproof trickle maintainer designed for a wide range of vehicles and batteries. Featuring a high-efficiency solar panel with 25-30% energy conversion, a smart charge controller with built-in safety protections, and a durable ABS+PC frame, it ensures safe, maintenance-free charging. Easy to install via cigarette lighter or alligator clips, this charger keeps your battery healthy and ready, backed by CE certification and a 12-month warranty.

Specifications

ASIN	B07JLWFPX6
Amperage	2.4 A
Best Sellers Rank	#992 in Patio, Lawn & Garden ( See Top 100 in Patio, Lawn & Garden ) #1 in Solar Battery Chargers & Charging Kits
Brand	POWOXI
Built-In Media	1 X 7.5W Solar panel +1 X Cigarette lighter+1 X Alligator clip+1 X Manual
Color	Solar Powered Battery Chargers 7.5w-B
Compatible Devices	various vehicles and batteries
Connector Type Used on Cable	SAE to Cigarette Lighter
Current Rating	0.41 A
Customer Reviews	4.4 4.4 out of 5 stars (6,425)
EU Spare Part Availability Duration	10 years
Input Voltage	12 volts
Item Dimensions D x W x H	14.76"D x 1.89"W x 9.06"H
Item Type Name	7.5W Solar Battery Trickle Charger Maintainer
Item Weight	2.2 pounds
Manufacturer	POWOXI
Mfr Part Number	Solar Powered Battery Chargers 7.5w-B
Model Number	ABS Solar 7.5W
Number of Items	1
Number of Ports	2
Output Voltage	12 volts
Specification Met	CE
UPC	674551471819
Unit Count	1 Count
Warranty Description	1 year

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