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My homemade Portable Power Box
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Andy Foster
 


Member Since: 27 Dec 2009
Location: Liverpool
Posts: 6052

United Kingdom 2015 Discovery 4 3.0 SDV6 SE Tech Auto Santorini BlackDiscovery 4
My homemade Portable Power Box

Started making a portable (ish) power box at the weekend. Still needs a bit of work as I'm still waiting for some of the bits to turn up.

Will be using it when camping with no electric hook up to power a fridge and some lights.

I'm using 2x33ah 12v batteries, these will feed 2x12v outlets, 1x twin USB outlet and a volt meter. Might add an inverter and ultimately hook it up to some solar panels. All this is contained in one of my Flatdog boxes.

So started off with the box. Used masking tape to mark the position of each component.


Then it was time to get the drill out.


Fit everything in its hole (still waiting for the USB outlet and volt meter).


Had to make some shuttering to keep the batteries in place. Just used a bit of thin ply as had some lying about.


Done a bit of temporary wiring just to see if it works.


Will get some photos of the wiring when I get the rest of the kit.

Cheers

Andy
 D4 MY15 SE TECH
D3 gone but never forgotten. 


Last edited by Andy Foster on 13th Jan 2016 8:39 pm. Edited 1 time in total 
Post #159196612th Jan 2016 10:17 pm
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Andy Foster
 


Member Since: 27 Dec 2009
Location: Liverpool
Posts: 6052

United Kingdom 2015 Discovery 4 3.0 SDV6 SE Tech Auto Santorini BlackDiscovery 4

Also plan to fit a charger on board with an external plug so don't need to dismantle to charge Thumbs Up
 D4 MY15 SE TECH
D3 gone but never forgotten. 
 
Post #159245013th Jan 2016 8:00 pm
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Robbie
 


Member Since: 05 Feb 2006
Location: ¯\_(ツ)_/¯
Posts: 17852

United Kingdom 2013 Discovery 4 3.0 SDV6 HSE Auto Baltic BlueDiscovery 4

Fitting a power monitor is quite handy too.

Thumbs Up
 Land Rover - Turning Drivers into Mechanics Since 1948

Battery & Quiescent Current Drain Testing

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Post #159250613th Jan 2016 8:56 pm
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Andy Foster
 


Member Since: 27 Dec 2009
Location: Liverpool
Posts: 6052

United Kingdom 2015 Discovery 4 3.0 SDV6 SE Tech Auto Santorini BlackDiscovery 4

Any links to one you'd recommend Thumbs Up
 D4 MY15 SE TECH
D3 gone but never forgotten. 
 
Post #159255713th Jan 2016 9:44 pm
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Robbie
 


Member Since: 05 Feb 2006
Location: ¯\_(ツ)_/¯
Posts: 17852

United Kingdom 2013 Discovery 4 3.0 SDV6 HSE Auto Baltic BlueDiscovery 4

There are plenty of simple combined amp/volt displays on the bay with suitable current shunts. But technology is moving on and I like displays that also include Ah and Watts.

I'm currently misusing ones designed for the RC crowd; sounds odd I know but the RC community push DC electrics and batteries to the limit.

It is too early yet to recommend them but so far so good and they are very cheap. I'm pulling one apart tomorrow to check it out after running it for a while as test equipment. I've run well over 100 amps through it!

Thumbs Up
 Land Rover - Turning Drivers into Mechanics Since 1948

Battery & Quiescent Current Drain Testing

Diagnostics for:
Defender, FL2, D3, D4, Evoque, RRS & FFRR
A not-for-profit enterprise


 
 
Post #159256813th Jan 2016 10:09 pm
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Andy Foster
 


Member Since: 27 Dec 2009
Location: Liverpool
Posts: 6052

United Kingdom 2015 Discovery 4 3.0 SDV6 SE Tech Auto Santorini BlackDiscovery 4

Thumbs Up

Unless I can find one that fits in the volt meter hole, as I've already drilled it, it might have to wait till version 2.

Andy
 D4 MY15 SE TECH
D3 gone but never forgotten. 
 
Post #159261113th Jan 2016 11:00 pm
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sailorboi
 


Member Since: 26 Oct 2012
Location: Bristol
Posts: 2005

United Kingdom 2007 Discovery 3 TDV6 XS Auto Java BlackDiscovery 3

These fit in the holes you have drilled for the cig sockets/ USB sockets Thumbs Up

http://m.ebay.co.uk/itm/Latest-12V-24V-Car...1013209795

Used a few of these on the trailer there are loads of different prices etc in the bay Thumbs Up
 07 Java Black TD V6 D3, EGRs Blanked, Tow bar, Full dog guard & divider, LED Spots , DRLs, GG ATs, RLD Sump guard, RLD Spare Wheel Protector, D4 LED Rear Lights, Limo tints on boot and Midnight tint on rear windows, Kenwood screen with Garmin nav, Rear cameras, D4 Steering wheel with flappy paddles, T-max split charge system, Tree sliders, Prospeed roof rack & Ladder, Alisport fast road inter cooler,


Massey Ferguson 35x
Sankey Narrow Track Camping Trailer (Gone but to a great home) 
 
Post #159262613th Jan 2016 11:15 pm
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Andy Foster
 


Member Since: 27 Dec 2009
Location: Liverpool
Posts: 6052

United Kingdom 2015 Discovery 4 3.0 SDV6 SE Tech Auto Santorini BlackDiscovery 4

That's the one I've got on order Thumbs Up
 D4 MY15 SE TECH
D3 gone but never forgotten. 
 
Post #159272214th Jan 2016 8:19 am
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Iguana
 


Member Since: 14 Oct 2013
Location: 'Sunny' Zomerset
Posts: 8375

Wales 2005 Discovery 3 TDV6 S Manual Arctic FrostDiscovery 3

Andy, I'll bring one up for you this weekend, got quite a few in the garage Thumbs Up

EDIT: The ones I have only to volts - will bring it anyway though
 Iggy/Ieuan

Current LR = 2005 (55 plate) Disco 3 'S' & Sankey Camping Trailer
& 2014 BMW 525
- Gone but not forgotten:
MY14 FL2 HSE manual in Blue
MY15 Disco 4 HSE Lux in Santorini Black
MY08 Disco 3 SE manual in Buck Blue
1960 Series 2 88" (No idea why I sold it!) 


Last edited by Iguana on 14th Jan 2016 10:14 am. Edited 1 time in total 
Post #159276314th Jan 2016 10:10 am
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Robbie
 


Member Since: 05 Feb 2006
Location: ¯\_(ツ)_/¯
Posts: 17852

United Kingdom 2013 Discovery 4 3.0 SDV6 HSE Auto Baltic BlueDiscovery 4

Andy Foster wrote:
Thumbs Up

Unless I can find one that fits in the volt meter hole, as I've already drilled it, it might have to wait till version 2.

Andy


If that is a limitation then probably best to fit one that does amps too, so you can see what is being drawn from your batteries. In that form factor they are limited to 10 Amps ~ 120 Watts but I guess that will meet your needs.



http://www.ebay.co.uk/itm/New-Car-Motorcyc...1292694363

They are about £10 delivered.

Thumbs Up
 Land Rover - Turning Drivers into Mechanics Since 1948

Battery & Quiescent Current Drain Testing

Diagnostics for:
Defender, FL2, D3, D4, Evoque, RRS & FFRR
A not-for-profit enterprise


 
 
Post #159276414th Jan 2016 10:11 am
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Andy Foster
 


Member Since: 27 Dec 2009
Location: Liverpool
Posts: 6052

United Kingdom 2015 Discovery 4 3.0 SDV6 SE Tech Auto Santorini BlackDiscovery 4

Nice one Robbie Thumbs Up

Iggy thanks for the offer but I've got one on order Thumbs Up

If you ment Ice Fest unfortunately I can't make it due to family commitments Big Cry

Cheers

Andy
 D4 MY15 SE TECH
D3 gone but never forgotten. 
 
Post #159306914th Jan 2016 5:49 pm
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tanters
 


Member Since: 24 Oct 2007
Location: Oireland
Posts: 4086

Ireland 2005 Discovery 3 TDV6 Base 5 Seat Manual Tonga GreenDiscovery 3

Nice work, Andy Thumbs Up Thumbs Up

Let us know when the group buy is organised Whistle Wink
 A happy childhood ... is the worst possible preparation for life.  
Post #159309114th Jan 2016 6:15 pm
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Andy Foster
 


Member Since: 27 Dec 2009
Location: Liverpool
Posts: 6052

United Kingdom 2015 Discovery 4 3.0 SDV6 SE Tech Auto Santorini BlackDiscovery 4

Already had the box and batteries so I've probably spent about £40 with all the bits.

Depending on what battery you went for I reckon you could knock one out for £100-£150. That's without a charger though. Seen something similar for twice that without a battery.

May make another one as I've got 2 more batteries so watch this space Wink

Andy
 D4 MY15 SE TECH
D3 gone but never forgotten. 
 
Post #159314214th Jan 2016 7:44 pm
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XG99
 


Member Since: 15 Jan 2016
Location: Close to Frankfurt
Posts: 7

Germany 2015 Discovery 4 3.0 SDV6 HSE Auto Corris GreyDiscovery 4

Andy Foster wrote:
Also plan to fit a charger on board with an external plug so don't need to dismantle to charge Thumbs Up


Hi Andy,

are planning a 12V DC-DC charger too or just a AC-DC charger?
  
Post #16040303rd Feb 2016 2:53 pm
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Andy Foster
 


Member Since: 27 Dec 2009
Location: Liverpool
Posts: 6052

United Kingdom 2015 Discovery 4 3.0 SDV6 SE Tech Auto Santorini BlackDiscovery 4

It will be an AC/DC one at the minute as that's the one I've got. Future plans are to add some solar panels but that's for another day. Not had any time to finish it lately so will sort it at the weekend Thumbs Up

Andy
 D4 MY15 SE TECH
D3 gone but never forgotten. 
 
Post #16041803rd Feb 2016 8:03 pm
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