PRojecta Battery Charger Negative Lead Placement

**Ranga** · 13th February 2018, 07:08 AM

What about using a small solar panel?

**p38arover** · 13th February 2018, 08:08 AM

Originally Posted by Kidbeen

What about one of these to check battery charge? Anyone got one?

I have something similar that has two USB charge points. It cycles the display between volts and current (for devices plugged into it).

DiscoMick · 13th February 2018, 09:31 AM

Originally Posted by Kidbeen

What about one of these to check battery charge? Anyone got one?

I have a Jaycar one. It is quite useful if you don't want to fit a permanent meter.

DiscoMick · 13th February 2018, 09:33 AM

Originally Posted by Ranga

What about using a small solar panel?

A small solar panel is a good idea to keep a trickle charge going in and keep the battery healthy. Batteries like to receive a slow charge for a while and then have a rest, at night with solar, so it works well. You could just sit it on the dash and plug it into the cigarette lighter.

**trout1105** · 13th February 2018, 09:44 AM

Originally Posted by DiscoMick

A small solar panel is a good idea to keep a trickle charge going in and keep the battery healthy. Batteries like to receive a slow charge for a while and then have a rest, at night with solar, so it works well. You could just sit it on the dash and plug it into the cigarette lighter.

You have to have the ignition on to use the cigarette lighter outlet.

**p38arover** · 13th February 2018, 10:20 AM

Originally Posted by Ranga

What about using a small solar panel?

How small? The one I have gives virtually useless output. I bought it for my motorbike.

DiscoMick · 13th February 2018, 11:12 AM

Originally Posted by trout1105

You have to have the ignition on to use the cigarette lighter outlet.

True. I should have explained that. I have an extra cigarette plug connected directly to one of my batteries.

I have an old 15amp panel I use for reviving sick batteries.

**trout1105** · 13th February 2018, 11:14 AM

Originally Posted by DiscoMick

True. I should have explained that. I have an extra cigarette plug connected directly to one of my batteries.

I have an old 15amp panel I use for reviving sick batteries.

What a good idea

**drivesafe** · 13th February 2018, 11:44 AM

Originally Posted by DiscoMick

True. I should have explained that. I have an extra cigarette plug connected directly to one of my batteries.

I have an old 15amp panel I use for reviving sick batteries.

Hi Mick, is that amps or watts?

**andrew53** · 15th February 2018, 10:25 AM

Originally Posted by Kidbeen

Attaching a screen shot of the instructions for the Projecta model I have. I only drive my Defender once a month and thought I should charge both my starting and auxillary batteries.

The instructions state for a battery within the vehicle to attach the negative lead to the chassis rather than the negative post on the battery. Does that mean I have to clean a patch on the chassis underneath the vehicle so I get a good earth. Where do you place the negative lead from the charger?

Also, if I only use my vehicle monthly how often should I charge the batteries to maximise my battery performance with the 7 stage charging process.

Once charged you leave it on and being a 7 stage charger it will just top up when is senses a drop in the battery as it has a built in trickle charge and I have the same charger. I personally don't think you need to go to a body earth, I don't on mine and it works fine.

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