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Search: Posts Made By: Air Doug
Forum: Electrical | Charging, Systems, Solar and Generators 08-03-2021, 06:23 PM
Replies: 72
Views: 13,787
Posted By Air Doug
Update on conversion performance: We just...

Update on conversion performance:

We just finished a month on the road and never had to worry much about battery status. One thing that works well is the 3 amp charger, which we run whenever...
Forum: Electrical | Charging, Systems, Solar and Generators 06-28-2021, 02:28 PM
Replies: 72
Views: 13,787
Posted By Air Doug
In the Snoozy, the stock battery is inside and...

In the Snoozy, the stock battery is inside and that is where I put the LiFePO4 batteries. In cold weather, I remove the doors to the battery area so they stay warmer. I take them into the garage for...
Forum: Electrical | Charging, Systems, Solar and Generators 06-27-2021, 07:10 PM
Replies: 72
Views: 13,787
Posted By Air Doug
Gene, I have been paying more attention to the...

Gene, I have been paying more attention to the TruckFridge draw. I have a 3 amp charger that I can just leave on all the time if I want to. When I do, it basically keeps up with the fridge and minor...
Forum: Electrical | Charging, Systems, Solar and Generators 12-23-2019, 07:45 PM
Replies: 72
Views: 13,787
Posted By Air Doug
I don't have a good number for the Truck Fridge...

I don't have a good number for the Truck Fridge draw. Obviously it is easy to measure while it is running. But how often it runs varies by ambient temperature outside and setting inside. Plus, the...
Forum: Electrical | Charging, Systems, Solar and Generators 12-20-2019, 06:58 PM
Replies: 72
Views: 13,787
Posted By Air Doug
Carl, I have a 30A circuit breaker/switch combo...

Carl, I have a 30A circuit breaker/switch combo on the feed into the controller because the manufacturer recommended it - same as you. Its a 30A controller so that kinda makes sense. I also wanted a...
Forum: Electrical | Charging, Systems, Solar and Generators 12-20-2019, 06:00 PM
Replies: 72
Views: 13,787
Posted By Air Doug
I have done a little more work and also finally...

I have done a little more work and also finally have a wiring diagram to post.

We added a second Battle Born battery to give us more flexibility on boondocking without the generator or rainy/shady...
Forum: Electrical | Charging, Systems, Solar and Generators 08-29-2018, 03:40 PM
Replies: 72
Views: 13,787
Posted By Air Doug
I finally finished everything and tried it out...

I finally finished everything and tried it out for 2 1/2 weeks in July. Everything worked fantastic.

Main additions since my initial post are a Victron 100/30 MPPT charge controller, a 30 amp...
Forum: Electrical | Charging, Systems, Solar and Generators 07-01-2018, 12:27 PM
Replies: 72
Views: 13,787
Posted By Air Doug
The wire is in a secure spot but I will move the...

The wire is in a secure spot but I will move the wire a bit and add a wire anchor to make sure it can't reach ground. Thanks for the analysis.

6 gauge wire is 600V marine wire rated at 105...
Forum: Electrical | Charging, Systems, Solar and Generators 07-01-2018, 07:45 AM
Replies: 72
Views: 13,787
Posted By Air Doug
Gene, Your post #41 on charging rates...

Gene,

Your post #41 on charging rates expresses very well a persistent worry of mine. Yes, you are right, I value a faster charging rate over longevity. Ultimately I am okay with the charge rate I...
Forum: Electrical | Charging, Systems, Solar and Generators 07-01-2018, 07:23 AM
Replies: 72
Views: 13,787
Posted By Air Doug
Gene, Thanks for your thoughtful analysis of...

Gene,

Thanks for your thoughtful analysis of my system in post #40 and for taking the time to comment. I will be making at least one change as a result. Responses to your points and questions...
Forum: Electrical | Charging, Systems, Solar and Generators 07-01-2018, 06:50 AM
Replies: 72
Views: 13,787
Posted By Air Doug
Gene, I looked at the Sterling also. The...

Gene,

I looked at the Sterling also. The reasons that I went with the Victron were:
- $65 Victron vs $290 Sterling
- 9 amp charge rate Victron vs 30 amp Sterling (smallest models of both). With...
Forum: Electrical | Charging, Systems, Solar and Generators 06-30-2018, 05:45 AM
Replies: 72
Views: 13,787
Posted By Air Doug
Battle Born says each individual cell is...

Battle Born says each individual cell is monitored for charge and high and low temperature. The BMS is built in to the battery. I think that is the "drop-in replacement" part of their claim -- I...
Forum: Electrical | Charging, Systems, Solar and Generators 06-30-2018, 02:15 AM
Replies: 72
Views: 13,787
Posted By Air Doug
John, I do have a long run from the charger...

John,

I do have a long run from the charger to the battery; Lil Snoozy puts it on the other side of the RV, so it runs about 7 feet. The Blue Sea Systems ampacity chart I used says to use 6 gauge...
Forum: Electrical | Charging, Systems, Solar and Generators 06-29-2018, 06:27 PM
Replies: 72
Views: 13,787
Posted By Air Doug
Well, the Snoozy wiring was for a lower amperage...

Well, the Snoozy wiring was for a lower amperage rated charger/converter, so it didn't need the 6 gauge wiring for the 60 amp charger I installed. But I agree, Snoozy undersized the wiring - 12 gauge...
Forum: Electrical | Charging, Systems, Solar and Generators 06-29-2018, 06:23 PM
Replies: 72
Views: 13,787
Posted By Air Doug
I measured voltage at the battery then went to...

I measured voltage at the battery then went to measure input and output at the DC/DC converter. The battery was easy but the converter would have required me to uninstall the wires and put in...
Forum: Electrical | Charging, Systems, Solar and Generators 06-25-2018, 08:19 AM
Replies: 72
Views: 13,787
Posted By Air Doug
We just got back from a week-long trip with the...

We just got back from a week-long trip with the Snoozy. Longest stretch without power was 45 hours. We used the fan for about 15 minutes and the water pump only for flushing. Lights were used at...
Forum: Electrical | Charging, Systems, Solar and Generators 06-11-2018, 08:11 AM
Replies: 72
Views: 13,787
Posted By Air Doug
Bill, It is good to hear your experiences in...

Bill,

It is good to hear your experiences in the southwest as I am now in the midst of the solar panel upgrade. Please do let us know how your system performs during your northeast trip.

Yes,...
Forum: Electrical | Charging, Systems, Solar and Generators 06-06-2018, 07:18 PM
Replies: 72
Views: 13,787
Posted By Air Doug
One of the reasons I posted was to get feedback...

One of the reasons I posted was to get feedback from other folks with different experience from me and a different set of eyes on what I did. I really appreciate the feedback and you have caused me...
Forum: Electrical | Charging, Systems, Solar and Generators 06-03-2018, 06:34 AM
Replies: 72
Views: 13,787
Posted By Air Doug
Alben, Thanks for the kind words. I...

Alben,

Thanks for the kind words.

I have not used the DC/DC converter enough to comment on its long-term suitability. It worked as advertised after installation. It got very good reviews from...
Forum: Electrical | Charging, Systems, Solar and Generators 05-23-2018, 06:54 PM
Replies: 72
Views: 13,787
Posted By Air Doug
I left the Progressive Dynamics 9160AL off of the...

I left the Progressive Dynamics 9160AL off of the list but included in the total price. I tried to edit the list but am not sure if it took. Cost is $278.
Forum: Electrical | Charging, Systems, Solar and Generators 05-23-2018, 06:49 PM
Replies: 72
Views: 13,787
Posted By Air Doug
Carl, Your analysis is really helpful and...

Carl,

Your analysis is really helpful and thank you for thinking it through. You are right about the need to protect the circuits on the load side. The Snoozy comes with a 30 amp automatic breaker...
Forum: Electrical | Charging, Systems, Solar and Generators 05-23-2018, 06:35 PM
Replies: 72
Views: 13,787
Posted By Air Doug
Charlie, Here is an approximate cost...

Charlie,

Here is an approximate cost breakdown.

Doug

Battle Born battery - 950
Blue Sea 5191 fuse block - 19
300A fuse - 12
Cable, 6 gauge 2x10 feet - 54
Forum: Electrical | Charging, Systems, Solar and Generators 05-23-2018, 06:12 PM
Replies: 72
Views: 13,787
Posted By Air Doug
Rita, The 40A fuse seems right for your...

Rita,

The 40A fuse seems right for your solar circuit.

Doug
Forum: Electrical | Charging, Systems, Solar and Generators 05-23-2018, 07:54 AM
Replies: 72
Views: 13,787
Posted By Air Doug
Carl, I didn't weigh the two batteries so...

Carl,

I didn't weigh the two batteries so don't know for sure but your estimate of weight savings sounds about right. The battery sits just in front of the axle so I am not sure about how it...
Forum: Electrical | Charging, Systems, Solar and Generators 05-23-2018, 07:48 AM
Replies: 72
Views: 13,787
Posted By Air Doug
Gene, Thanks for the info on posting...

Gene,

Thanks for the info on posting pictures. I tried to and wasn't able to, so I will post a few more comments first, then try again.

I don't keep a log of our real life power usage but do...
Forum: Electrical | Charging, Systems, Solar and Generators 05-22-2018, 09:38 AM
Replies: 72
Views: 13,787
Posted By Air Doug
Lithium battery in Lil Snoozy

I have finished the LiFePO4 battery installation in our Lil Snoozy. We used the Li battery boondocking for 4 days a few weeks ago but I finally hard wired in all the pieces, including the ability to...
Showing results 1 to 26 of 26

 
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