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[Canadian Tire] Coleman 2.5 Watt 12 Volt Solar Battery Maintainer

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  • Jul 22nd, 2019 11:10 pm
[OP]
Newbie
Dec 7, 2012
71 posts
96 upvotes

[Canadian Tire] Coleman 2.5 Watt 12 Volt Solar Battery Maintainer

I have had good results with the one I have for my boat battery. Normally $34.99 and on clearance for $6.93
12 replies
Member
Nov 16, 2015
390 posts
626 upvotes
Toronto, ON
smoking hot if you can find one instore
Deal Guru
User avatar
Feb 11, 2007
12271 posts
12154 upvotes
Oakville
bidouwhiteduck wrote:
Jun 25th, 2019 12:31 pm
I have had good results with the one I have for my boat battery. Normally $34.99 and on clearance for $6.93
Thanks, bought one.
Sr. Member
Mar 13, 2012
956 posts
759 upvotes
Surrey
wow bad review, it toast the car battery... no thanks
Deal Guru
User avatar
Feb 11, 2007
12271 posts
12154 upvotes
Oakville
jaksdj22 wrote:
Jun 25th, 2019 12:43 pm
wow bad review, it toast the car battery... no thanks
I don't see reviews where it destroyed the battery, just a few that say it "killed it", by which they mean the battery drained. Perhaps they didn't have it hooked up properly, or it didn't get enough sun (it only puts out 167mA max, so being behind glass, or in the winter will drastically reduce output). If you have a load of 100-200mA in the car, then it won't be able to keep up. Also it seems these aren't very well weather proofed, so it might be a good idea to seal it up better with silicone if you use it outside.
Deal Addict
Jan 18, 2007
2264 posts
300 upvotes
Edmonton
I used it this winter for a car that is not driven much and parked on the driveway most of the time. It saved the battery and car started every time.
Last edited by polypep on Jun 25th, 2019 1:42 pm, edited 1 time in total.
Deal Addict
Jul 3, 2002
1010 posts
212 upvotes
YYC
The cheapest I see it is $17.95. Price must be store specific.
Member
Jul 11, 2007
444 posts
89 upvotes
GTA
things like this got on sale for around $10 in the canadiantire few times a year, I would not say often but I had 3-4 from the past. here is the one I got.
Noma Battery charger
Jr. Member
Jan 18, 2005
131 posts
48 upvotes
engineered wrote:
Jun 25th, 2019 1:09 pm
I don't see reviews where it destroyed the battery, just a few that say it "killed it", by which they mean the battery drained. Perhaps they didn't have it hooked up properly, or it didn't get enough sun (it only puts out 167mA max, so being behind glass, or in the winter will drastically reduce output). If you have a load of 100-200mA in the car, then it won't be able to keep up. Also it seems these aren't very well weather proofed, so it might be a good idea to seal it up better with silicone if you use it outside.
Some cheaper chargers don't have the required diodes to prevent the current from reversing and draining the battery when the panel isn't producing enough voltage. Not sure if this one has this problem, but it is possible that if it doesn't get enough sunlight that it could drain more at night than it charges during the day.

EDIT: Reading the description, it appears as though it shouldn't discharge the battery "Built-in blocking diode prevents reverse discharge in battery"
Deal Addict
Jun 14, 2008
2786 posts
1693 upvotes
Montreal
This thing can output 17~19 volts, don't connect to to any system without a charge controller.
Sr. Member
Feb 17, 2015
712 posts
229 upvotes
Windsor, ON
I can confirm it killed a 1000cca car battery three times trying to make this thing work, perhaps I got a defective one, it's hot at this price I think I paid $14-15 back in the day for it

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