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Ultimate Bed Build and Custom Dual Battery System
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<blockquote data-quote="DINOZR" data-source="post: 1629191" data-attributes="member: 41843"><p>What did I want from a dual battery setup?</p><p>1. Power my 12V camping frig.</p><p>2. Power my ARB air compressor.</p><p>3. Power some extra bed lights.</p><p>4. Have expansion capability to run other 12V devices in the future.</p><p>5. Do all of this without touching the truck's starting battery.</p><p>6. Be easily removable to free up bed space when needed or transfer to another truck when I eventually trade in this one. This requirement makes packaging a LOT more difficult, but also much more valuable if I can continue to use the system in future trucks.</p><p></p><p>It's worth noting that I initially wanted to add a 110V inverter to the setup to expand the capability of the 400W inverter already installed in the truck. I eventually scrapped this idea. Integrating the packaging and wiring into the enclosure I had planned was just too large an obstacle. I may opt to add an inverter later, and this capability can be easily expanded from what I've created.</p><p></p><p>There are two basic ways to wire a dual battery setup:</p><p>1. Charge the aux battery straight from the main battery. This is sometimes problematic on the Raptor because of its smart charging system. It certainly can be done.</p><p>2. Charge the aux battery with a battery charger that is powered from the main battery. This is the route I went.</p><p></p><p>So my aux battery setup has the following main components:</p><p>1. Odyssey AGM 94R Battery</p><p>2. Redarc BCDC1225D Battery Charger and Solar Charge Controller</p><p>3. Blue Sea Systems Fuse Block</p><p>4. Exhaust fan (probably not necessary, but a nice safety feature in case of an overcharge condition)</p><p>5. Blue Sea Systems breaker switched panel at near tailgate to control on/off for all accessories</p><p>5. Connectors, wiring, battery mounts, and a micro relay to make it all work together</p><p></p><p>And I packaged it all in a Milwaukee Packout "large" toolbox. Why, you might ask? Several reasons. The Packout was the perfect size to fit a 94R battery. It fits snug so that I only needed to add a couple small rubber bumpers to constrain it. And it had enough space to the side to easily mount the other components. The Packout also offered much better mounting solutions than a standard Pelican style case. I traded Pelican cases until I was blue in the face, and still settled on the Packout. In particular, the Packout has a "Packout Mounting Plate" that I ended up using as part of my mounting solution.</p><p></p><p>Here's a look inside the box and a wiring diagram.</p><p></p><p>Connectors</p><p></p><p>To get power in and out of the box I needed some reliable connectors. I am a fan of Deutsch connectors, and their locking, weatherproof nature made them a natural choice. The box has 4 connectors:</p><p>1. Input: Deutsch HDP20- Brings in Power, Ground, and Ignition Switched Power from truck</p><p>2. Input: Deutsch DTP 4-pin- Input for Solar Panel</p><p>3. Output: Deutsch DT 6-pin- Takes power to the Blue Sea Systems switch panel at the rear of the bed</p><p>4. Output: Deutsch DTP 4-pin- Powers ARB compressor</p><p></p><p>[ATTACH=full]167849[/ATTACH][ATTACH=full]167850[/ATTACH][ATTACH=full]167852[/ATTACH]</p><p></p><p>Note that I later ditched the PowerPole connector shown in the above photo for a Deutsch DTP. I decided to try PowerPole and I shouldn't have. Below is a wiring diagram of the aux battery box.</p><p></p><p>[ATTACH=full]167868[/ATTACH]</p></blockquote><p></p>
[QUOTE="DINOZR, post: 1629191, member: 41843"] What did I want from a dual battery setup? 1. Power my 12V camping frig. 2. Power my ARB air compressor. 3. Power some extra bed lights. 4. Have expansion capability to run other 12V devices in the future. 5. Do all of this without touching the truck's starting battery. 6. Be easily removable to free up bed space when needed or transfer to another truck when I eventually trade in this one. This requirement makes packaging a LOT more difficult, but also much more valuable if I can continue to use the system in future trucks. It's worth noting that I initially wanted to add a 110V inverter to the setup to expand the capability of the 400W inverter already installed in the truck. I eventually scrapped this idea. Integrating the packaging and wiring into the enclosure I had planned was just too large an obstacle. I may opt to add an inverter later, and this capability can be easily expanded from what I've created. There are two basic ways to wire a dual battery setup: 1. Charge the aux battery straight from the main battery. This is sometimes problematic on the Raptor because of its smart charging system. It certainly can be done. 2. Charge the aux battery with a battery charger that is powered from the main battery. This is the route I went. So my aux battery setup has the following main components: 1. Odyssey AGM 94R Battery 2. Redarc BCDC1225D Battery Charger and Solar Charge Controller 3. Blue Sea Systems Fuse Block 4. Exhaust fan (probably not necessary, but a nice safety feature in case of an overcharge condition) 5. Blue Sea Systems breaker switched panel at near tailgate to control on/off for all accessories 5. Connectors, wiring, battery mounts, and a micro relay to make it all work together And I packaged it all in a Milwaukee Packout "large" toolbox. Why, you might ask? Several reasons. The Packout was the perfect size to fit a 94R battery. It fits snug so that I only needed to add a couple small rubber bumpers to constrain it. And it had enough space to the side to easily mount the other components. The Packout also offered much better mounting solutions than a standard Pelican style case. I traded Pelican cases until I was blue in the face, and still settled on the Packout. In particular, the Packout has a "Packout Mounting Plate" that I ended up using as part of my mounting solution. Here's a look inside the box and a wiring diagram. Connectors To get power in and out of the box I needed some reliable connectors. I am a fan of Deutsch connectors, and their locking, weatherproof nature made them a natural choice. The box has 4 connectors: 1. Input: Deutsch HDP20- Brings in Power, Ground, and Ignition Switched Power from truck 2. Input: Deutsch DTP 4-pin- Input for Solar Panel 3. Output: Deutsch DT 6-pin- Takes power to the Blue Sea Systems switch panel at the rear of the bed 4. Output: Deutsch DTP 4-pin- Powers ARB compressor [ATTACH type="full" alt="EE7F0D96-96FE-4761-99F6-3558D962E8AC.jpeg"]167849[/ATTACH][ATTACH type="full" alt="19560524-6F15-47CF-8018-08D3E8659EEB.jpeg"]167850[/ATTACH][ATTACH type="full" alt="6BB4F827-76D1-4733-9068-61DA74727096.jpeg"]167852[/ATTACH] Note that I later ditched the PowerPole connector shown in the above photo for a Deutsch DTP. I decided to try PowerPole and I shouldn't have. Below is a wiring diagram of the aux battery box. [ATTACH type="full"]167868[/ATTACH] [/QUOTE]
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Ultimate Bed Build and Custom Dual Battery System
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