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Most Recent Questions
Recent Question:
how does the charge controller work. The green light is on showing charged while battery is not fully charged.
Recent Question:
Can this solar panel and charge controller be used to charge smaller 12 volt batteries such as the one in the Marcum 485 underwater camera
Recent Question:
how long a extend wire can I run on the coleman 40 watt solar panel without voltage drop
Recent Question:
Can you please provide the dimensions for this product and can several of them be used simultaneoulsy?
Recent Question:
Controller low battery light flashing
Questions with Most Recent Answers
Question:
Can this solar panel and charge controller be used to charge smaller 12 volt batteries such as the one in the Marcum 485 underwater camera
Question:
Can you please provide the dimensions for this product and can several of them be used simultaneoulsy?
Question:
Can I add about 30 feet of wire between the panel and the battery? Installing it on a barn roof?

Customer Questions & Answers for
Coleman Coleman 40W Folding Solar Panel

Ideal for use with RVs, homes, cabins, remote and back-up power, 12V battery charging and morePanel features high efficiency crystalline solar cells and durable metal frame for extended outdoor useIncludes fold-out stand for easy installationFeatures fully weatherproof design shatterproof tempered g
Customer Questions & Answers:
101 Questions
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129 Answers
Overall Rating:
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Product Details

Questions & Answers for Coleman Coleman 40W Folding Solar Panel

Question

Could you please double-check the claimed amperage output? 40 watts at 12 volts should be 3.33 Amps, but it claims only 2.3 Amps maximum. Thank you.

12Volts x 3.333Amps = 40 Watts
Product #: 11-2043-0
 
Products related to my question
 
asked 3 years ago
by
ZRM695
 - Ontario, Canada
on Coleman 40W Folding Solar Panel
4 answers
Answers
answer 1
To charge a 12 volt battery you need to increase the voltage. A normal battery charger will charge at least 14V or more. I had a 480W (6 x 80Watt) solar array. The voltage output was 17-18Volts depending if the batteries were low. Therefore 40W / 2.3A= 17.4 V This is good too charge your batteries. A deep cycle battery is charged at 12.6V
answered 3 years ago
by
SolarPete
answer 2
These panels are rated higher than 12 volts at max power, closer to 17 or 18 volts which would explain the amps.
answered 3 years ago
by
solarpower
answer 3
Well actually, the true open circuit voltage is at around 18 volts, which bring the amps down at 2.3 amps.
answered 3 years ago
by
Pat809
answer 4
Double check your knowledge of charging systems ;-) ... you would be looking at approx 14.8 volts when charging ~35 watts. The open circuit voltage would easily be around 18 volts ~ 41 watts.

the manufacturer has rated it for 40 watts :)
answered 3 years ago
by
blues335
Question

Can I connect two of them in series to get 24V with 2.3 A OR in parallel to get 12V with 4.6A?

asked 3 years ago
by
Anonymous
 - Calgary
on Coleman 40W Folding Solar Panel
2 answers
Answers
answer 1
Solar panels can be wired in series or in parallel to increase voltage or amperage
respectively, and they can be wired both in series and in parallel to increase both
volts and amps.
answered 3 years ago
by
solarpower
answer 2
Of course you can :)

But you would need a charge controller rated accordingly, not the one supplied with the unit.

alternatively you could have 2 'systems' power your battery bank.
Best Answer
answered 3 years ago
by
blues335
Question

Can this charge controller run DC devices during the day without a battery hooked up?

 
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asked 3 years ago
by
MJ453
on Coleman 40W Folding Solar Panel
2 answers
Answers
answer 1
it depends what you want to run off the the solar panel.
answered 4 months ago
by
dmkfeatf14
answer 2
No a solar charge controller regulates the input from a solar panel into a 12V battery. You cannot run items of the controller alone.
Staff Answer
Expert Answer
answered 2 years, 10 months ago
by
CanadianTireTeam
Question

Can I use the 7 amp charge controller to control three panels linked? 2.3 amps x3 =6.9 amps output.

asked 3 years ago
by
Anonymous
on Coleman 40W Folding Solar Panel
2 answers
Answers
answer 1
Problem isnt the amperage at that point, but the wattage. 3 x 40w panels at max output would be 120w, the included controller is rated for 105w MAX.
answered 2 years, 9 months ago
by
Cdnsigop
 - Shilo, MB, Canada
answer 2
We would advise against using a 7 amp controller with 3x 40 watt panels. Any surge or peak output will put more amps into the controller than it is rated for. We would use a 30A controller for this set-up.
Staff Answer
Best Answer
Expert Answer
answered 3 years ago
by
CanadianTireTeam
Question

Does anyone have suggestions as to why this unit is not charging my MotoMaster Eliminator 800A Powerbox?

The Powerbox recharges just fine with its own AC charger but will not take a charge when hooked up to the solar panel using the connector provided.

The panel has been placed in full sun and the indicator light shows that it is providing current.
asked 3 years ago
by
solarnewbie
on Coleman 40W Folding Solar Panel
2 answers
Answers
answer 1
On my 800 amp booster (Nautilus), i have to turn a switch on to use DC and to charge as well. Maybe you have an on off switch too.
answered 2 years, 8 months ago
by
Squamish
 - BC
answer 2
We would encourage you to contact the manufacturer directly for further assistance: Toll-free: 1 888-478-6435
Staff Answer
Expert Answer
answered 2 years, 11 months ago
by
CanadianTireTeam
Question

Can I use the battery while it is hooked to the 40 watt crystalline solar panel ?

asked 2 years, 11 months ago
by
Anonymous
on Coleman 40W Folding Solar Panel
2 answers
Answers
answer 1
Yes, the panel will be protected by the charge controller and a blocking diode.
Staff Answer
Expert Answer
answered 2 years, 8 months ago
by
CanadianTireTeam
answer 2
Yes, you can use the battery at the same time. I did this all day today, panel to controller to 12v battery, boondocking with my travel trailer.
answered 2 years, 9 months ago
by
Cdnsigop
 - Shilo, MB, Canada
Question

Can i use this pannel to connect one or two light bulbe for night and how.

asked 2 years, 5 months ago
by
HarryG
on Coleman 40W Folding Solar Panel
2 answers
Answers
answer 1
This solar panel is essentially a 12V battery charger, it cannot be used to power items such as light bulbs directly. If the panel is used in conjunction with a battery and inverter, then your lights will work.
Staff Answer
Expert Answer
answered 2 years, 4 months ago
by
CanadianTireTeam
 - CanadianTireAnswers
answer 2
you can but they'll have to be 12 volt lights that run off a battery- you use the panels to charge the battery during the day
Best Answer
answered 2 years, 5 months ago
by
Matt2211
Question

how does 2.3 amps at 12 volts=40 watts-p=ie,fuzzy math

asked 2 years, 5 months ago
by
ve1lrc
on Coleman 40W Folding Solar Panel
2 answers
Answers
answer 1
You are correct, 2.3 amps at 12 volts does not equal 40watts.
From a practical perspective you can expect to get about 25 to 30 watts from this panel. For example, you could expect somewhere around 2.3 amps at 13 working volts, which yields 30 watts of practical output.
This is not a fault with the panel and you will find similar results with other panels (ie. a reduction from the stated theoretical power output).
answered 2 years, 1 month ago
by
251430
answer 2
In order to have an effective charge, the solar panel operates at 17.1V. 40W / 17.1V = 2.3 Amps.
Staff Answer
Best Answer
Expert Answer
answered 2 years, 3 months ago
by
CanadianTireTeam
 - CanadianTireAnswers
Question

durability

Would this panel hold up if it were to be mounted to a roof rack…..bumpy logging roads?
asked 1 year, 10 months ago
by
Anonymous
on Coleman 40W Folding Solar Panel
2 answers
Answers
answer 1
Yeah, these panels are pretty strong. as long as nothing really hard drops on them, they can take some stress. my dog walked on one and is his 90 pounds
answered 1 year, 9 months ago
by
Olitheon
answer 2
This panel is very durable and should be able to withstand almost any environment. Please note it is glass so objects striking it could cause damage, but general wear and tear should be no issue.
Staff Answer
Best Answer
Expert Answer
answered 1 year, 10 months ago
by
CanadianTireTeam
 - CanadianTireAnswers
Question

Will it charge (4) 6V batteries?

asked 1 year, 8 months ago
by
KnotSoFast123
 - Sicamous, BC
on Coleman 40W Folding Solar Panel
2 answers
Answers
answer 1
The Coleman 40W Folding Solar Panel can charge any 12 Volt battery system. For 6V batteries you must connect the batteries in series/parallel to form a 12V battery bank.
Staff Answer
Expert Answer
answered 1 year, 7 months ago
by
CanadianTireTeam
 - CanadianTireAnswers
answer 2
Would have to be hooked up in two parallel circuits of 2 in series, but no reason it wouldn't. Just make sure you disconnect from whatever you are powering with the batteries if you have to change their configuration for charging.
Best Answer
answered 1 year, 7 months ago
by
Pylon44
 - Port Alberni, BC, Canada
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