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Thank you for the great forum, Safe Driving over the weekend. Sincerely Jason
Riaanh

HA-02 Balancers

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I see they are $99 on Amazon. He first says cost $45 and then $140 (which I presume is for the pair) so maths is not his strong suite but he certainly believes in a HA02. Interesting that he is able to confirm what is happening using SG readings.

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Hi Chris - R  ,  do you still sell battery balancers . I need balancers for 8 x12 volt batteries . Will 2 of HA - 02 do . What is the cost for these . Thank you .

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58 minutes ago, wehanvdw said:

Please help 

No reply on the email any other way to get price and order 

Send a message to Chris Gibson on the forum . He is in contact with Chris R

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Hi

Checking my battery voltage this morning - I have a HA-02 balancer in circuit:

13.1 / 13.1 / 13.1 /13.3

Is a .2 volt difference within the operating specs of the HA-02?

The balancer has been connected for 2 weeks now.

New batteries.  Used as a UPS, so they mostly sit on float - hence the lower than average storage voltage.

 

 

 

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@Crankshaft

I must say I don't "hear" my HA-02's, maybe the bigger the imbalance, the harder they work, i.e. emit noise. or i'm going (high pitch tone) deaf, seeing the wife always tells me!😜

As I have 8 Trojan's & a BMV, I only measure my midpoint, and after almost 3 years, it's still @ 55 mV. In your case it's 200 mV.

Maybe it will quieten down, once your batteries are equalised better?

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Mine made a high-pitched sound constantly till it went up in smoke. Like Badly. Got a amp pull/spike and took the hit because the battery didn't have all the supply to give. Just run a fuse on it on every channel that yours don't go up in smoke like mine. It takes day's to get rid of that smell. 

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Surely the he HA-02 has been connected long enough to balance the batteries?

The sound hasn't got any quieter since it was hooked up.

Gerlach, yes, I have 10A automotive fuses on each line.

It's the battery on the far negative side that is slightly up.  It's only 200mV, but I was hoping it would be better.

 

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What are these things going for now?

They are around $50 on Banggood and tempted to just buy it from there.

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