Does this have a blocking diode?

It is listed in product description has having a blocking diode.

how long will it take with good sunlight to recharge a dead 12v automotive battery?

This highly depends on your definition of "dead" as well as "good sunlight". However, I'll give you an example of my experience with a 10w solar charger on a very low battery in the south. I maintain a church truck that gets started only on Sunday and it doesn't drive long enough for the alternator to do anything, plus I don't think the alternator even works so every start drains the battery quite a bit. Within about 2-3 months the battery can go from fully charged to not able to start the truck before I installed a solar panel. Once Covid hit I charged the battery for the final time with a battery charger to get it brought up high enough to start the truck again, but it was still starting very slowly because I couldn't leave it on overnight. I bought a 10w solar panel and attached magnets on the back then stuck it to the hood and plugged it straight into the battery. Now it starts with full battery voltage every Sunday, and even recharges the battery from the starter drain and no alternator recharging. It gets about 10 hours of sunlight every day and it's sitting flat on the hood which gets the best use of the noon sun which I think is the strongest. Sorry for the super long answer, but with solar there are no real constants and everything is very subjective to your location and even the angle of the panel.

Are there any directions with this item? also, do i peel off the plastic coating? it is all bubbly like i should, but i am not sure.

Yes, peel of the thin plastic. If you need instructions there are 2 different PDF files available in the product information section of this item.

“Will this charge two deep cycle battles at the same time?

10 watts at 12v DC is only .83 amps at peak most deep cycles are 80-120 amp hour battery’s so your talking 200-300 hours of peak

12 Volts 5 Watts Portable Power Solar Panel Battery Charger Backup for Car Boat Batteries

12 Volts 5 Watts Portable Power Solar Panel Battery Charger Backup for Car Boat Batteries

معرّف المنتج: 334351071

التفاصيل

Brand
ECO-WORTHY
Colour
Black
Product Dimensions
200D x 12W x
Item Weight
430 Grams
Output Voltage
12 Volts

💧IP65 waterproof & fireproof durability

🔋12V output for versatile battery types

☀️5W solar power for eco-friendly charging

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KD 35.81

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Sold byAmazon KUWAITDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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الوصف

☀️ Power Up Anywhere, Stay Charged Everywhere!

ECO SMART ENERGY SAVER - Built-in blocking diode prevents reverse discharge, extending battery life and cutting energy waste.
INSTANT STATUS INSIGHT - LED indicator and premium clips with cigarette lighter adapter ensure safe, easy monitoring and connection.
UNIVERSAL POWER BACKUP - Compact 7.8in solar panel fits cars, boats, motorcycles, and more—your all-in-one battery lifeline.
SET FORGET CONVENIENCE - Maintenance-free 24/7 trickle charging keeps your 12V batteries ready for any adventure or emergency.
INTELLIGENT SAFETY SHIELD - Advanced charging controller stops overcharge, short circuits, and reverse connections for worry-free use.

The ECO-WORTHY 12V 5W Portable Solar Panel Charger delivers reliable, eco-friendly trickle charging for 12V batteries across vehicles and outdoor gear. Featuring IP65 waterproofing, intelligent charge control, and a compact design, it ensures maintenance-free battery upkeep with real-time LED status monitoring—perfect for professionals who demand dependable power on the go.

المواصفات

ASIN	B015ZGDYII
Amperage	0.3 Amps
Best Sellers Rank	#206,215 in Garden & Outdoors ( See Top 100 in Garden & Outdoors ) #110 in Solar Battery Chargers
Brand	ECO-WORTHY
Brand Name	ECO-WORTHY
Colour	Black
Compatible Devices	12v battery
Connector Type Used on Cable	Alligator Clips
Country of Origin	USA
Current Rating	0.3 Amps
Customer Reviews	4.2 out of 5 stars 3,496 Reviews
Input Voltage	5 Volts
Item Dimensions	23.2 x 3.4 x 20.4 Centimeters
Item Dimensions D x W x H	200D x 12W x 200H Millimeters
Item Package Quantity	1
Item Type Name	5W
Item Weight	430 Grams
Item Weight Unit of Measure	430 Grams
Manufacturer	ECO-WORTHY
Manufacturer Part Number	AM-L02EP5BB18V-1A
Model Name	5W
Model Number	DZ-STC-5
Output Voltage	12 Volts
Package Weight	0.38 Kilograms
Product Attributes Bullet Points	[Convenient Updates] Our charger features a frosted surface that eliminates the need for film protection. It also comes with a cigarette lighter adapter and high-quality battery clips that prevent short circuits. The LED indicator lets you monitor its working state at a glance., [Efficient Energy Use] Save energy and protect the environment with our built-in blocking diode that prevents reverse di…
Product Dimensions	200D x 12W x 200H Millimeters
Size	5W
Title	ECO-WORTHY 12 Volts 5 Watts Portable Power Solar Panel Battery Charger Backup for Car Boat Batteries
UPC	788256345242

المراجعات

H**A

Not working for 2014 duster diesel engine model

Was not working for Renault Duster diesel engine with the new battery... It will work only if we keep the key in start mode maybe... don't know or Maybe it's will work for others.

26.03.2026

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