Dead new battery, or dead new battery charger? - Yamaha Raptor Forum
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Old 11-12-2015, 04:40 PM Thread Starter
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Dead new battery, or dead new battery charger?

So I accidentally left the key on...... Well you are well aware of the
outcome! So my battery charger died a few years ago and I thought
I better go buy something good. I picked up a 45 Amp Stanley
Smart Charger from Walmart and it has nothing but five star reviews.

Come home hook it up and start charging the battery and about 12
minutes into the charge I hear "click" and the LCD screen on the
charger shows the clamps flashing (not a real specific error).

At that point I was like the hell with it, it's a tomorrow project. So I
come home from work tonight and pull the battery out of the Raptor
so that I can really get the clamps on the battery. Fire up the charger
and about 12 - 15 minutes again *click* and it shows flashing clamps.


So at this point what is more likely Is it likely that sucking the
battery dry ONCE killed it? Or do I have a brand new junk charger
that I need to return? Do you think the internal resistance of the
battery is just too high for this whiz bang charger to deal with?

It said it was putting 24 amps into the battery. I have no way to
adjust the amount of amperage it puts out, it floats automatically.


I can't imagine draining the battery one time would kill it. What
say you?

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Old 11-12-2015, 05:13 PM
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Is your charger 45 amps or 4.5 amps. 45A is great for a automotive battery, but way to much for a small cycle battery. You should get about a 2A trickle/float charger. I have a cheap one from harbor freight and a better (??) one from Cycle Gear. They both do a good job. Over charging can ruin a battery, indicated by a hot or distorted walls, low voltage, or not holding a charge.

'19 Can-Am X3, RS Turbo, 172 HP, 1300x15 STU #2 paddle, Tribute front, DynaTec controller, cat delete, GTP blow off valve, custom flame wrap, Bent Metal windshield, Blazer wiper, rear window, 48in LED light bar, 14in LED light bar, GTP LED side lights, S3 shock tower brace, aluminum rear pull plate, 5K Badlands winch, dual batteries, 5ft lighted whips, Rugged radio and intercom, interior lights, rock lights, chase lights, over $200 additional switches, YES, street legal with dirt tires.
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Old 11-12-2015, 05:21 PM Thread Starter
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Quote:
Originally Posted by DEZPERADO View Post
Is your charger 45 amps or 4.5 amps. 45A is great for a automotive battery, but way to much for a small cycle battery. You should get about a 2A trickle/float charger. I have a cheap one from harbor freight and a better (??) one from Cycle Gear. They both do a good job. Over charging can ruin a battery, indicated by a hot or distorted walls, low voltage, or not holding a charge.
http://www.stanleytools.com/en-US/pr...e-start/bc25bs

It is "supposed" to be able to vary the charge amperage on the fly.

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Old 11-12-2015, 06:01 PM
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You can vary the charge rate, but will it know the battery size? A bigger battery can take a high charge rate, but the smaller battery may not. If the meter is showing more than 4-5 amps, that's too much for a cycle size battery. Your charger may work OK to maintain, if the battery is already charged. OR, connect a automotive battery in parallel to the cycle battery. This will help equalize the charge. Is your battery new enough that you can warranty it if it's bad?

'19 Can-Am X3, RS Turbo, 172 HP, 1300x15 STU #2 paddle, Tribute front, DynaTec controller, cat delete, GTP blow off valve, custom flame wrap, Bent Metal windshield, Blazer wiper, rear window, 48in LED light bar, 14in LED light bar, GTP LED side lights, S3 shock tower brace, aluminum rear pull plate, 5K Badlands winch, dual batteries, 5ft lighted whips, Rugged radio and intercom, interior lights, rock lights, chase lights, over $200 additional switches, YES, street legal with dirt tires.
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Old 11-12-2015, 06:52 PM Thread Starter
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Quote:
Originally Posted by DEZPERADO View Post
You can vary the charge rate, but will it know the battery size? A bigger battery can take a high charge rate, but the smaller battery may not. If the meter is showing more than 4-5 amps, that's too much for a cycle size battery. Your charger may work OK to maintain, if the battery is already charged. OR, connect a automotive battery in parallel to the cycle battery. This will help equalize the charge. Is your battery new enough that you can warranty it if it's bad?
Yeah I've only had the quad for a few months.

I will take the charger back and get something smaller and try it
first.

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Old 11-15-2015, 04:14 PM Thread Starter
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@DEZPERADO

Well I took the Stanley charger back and picked up a Schumacher that is meant for Motorcycles/ATV's it's a Charger and a Maintainer. It was half the
price of the Stanley and it's charging the battery right now with zero issue!
RadRap700 and DEZPERADO like this.

2015 Yamaha Raptor 700r Special Edition
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