Any problems with Alternator Voltage Booster ??

Submitted: Sunday, Jun 29, 2014 at 23:23
ThreadID: 108545 Views:3222 Replies:6 FollowUps:0
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Firstly i am not trying to start WW3 by igniting a debate of Dc-Dc charger v Alternator Voltage Booster !
So just simply asking if anyone who has had one of these boosters fitted have had any damage inflicted on the alternator or any part of the electrics ??
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Reply By: SCUBADOO - Monday, Jun 30, 2014 at 05:13

Monday, Jun 30, 2014 at 05:13
Alternator Voltage Booster?

My $2 diode/fuse "booster" mod has performed perfectly in my hiace van at 14.3V for many years.
The seven year old solar assisted 150Ah Gel, 75Ah AGM and 2x 7Ah VRLA batteries all parallel connected (I know, I know) still keep on working for me.

DC-DC setup?

No idea. I don't need one. (-;


AnswerID: 535240

Reply By: desray (WA - Monday, Jun 30, 2014 at 06:37

Monday, Jun 30, 2014 at 06:37
I have one in my Prado ,no problems been in there 5 years now. 2 batteries.
AnswerID: 535241

Reply By: Peter_n_Margaret - Monday, Jun 30, 2014 at 08:14

Monday, Jun 30, 2014 at 08:14
My standard off the shelf Bosch alternator is 14.3V without a 'booster'.
Charges both the house and crank AGMs just fine.

Cheers,
Peter
OKA196 Motorhome
AnswerID: 535244

Reply By: Sigmund - Monday, Jun 30, 2014 at 12:10

Monday, Jun 30, 2014 at 12:10
Piranha and ABR Sidewinder both sell the diode/fuse. Suggest you talk to them.

Another option IIRC as mentioned on the Pajero forum is just to run a device while you drive - something like the air fan on low. A low load is enough to persuade an ECM controlled alternator to pump out enough volts to charge a second battery. May not work with all models so caveat emptor.
AnswerID: 535261

Reply By: HKB Electronics - Monday, Jun 30, 2014 at 12:47

Monday, Jun 30, 2014 at 12:47
For those that may want a milder boost than the standard .6V increase of my current boosters, I will be releasing a new DUO boost model in the near future that will give the option of a .3V or .6V approx boost. For further info pleas contact me.

Cheers
Leigh

Lifetime Member
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AnswerID: 535262

Reply By: timothy - Tuesday, Jul 01, 2014 at 11:42

Tuesday, Jul 01, 2014 at 11:42
I think you normally use a booster if the second battery is far enough away from the alternator for there to be a voltage drop, this is common in vehicles where the second battery is located in the tray or back of the station wagon.

I've got a CTEK 250s DC-DC charger fitted in my caravan which is both the solar panel controller and manages the charge from my vehicle, it works extremely well and I have not had any damage to the electrics.
AnswerID: 535288

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