Its All About The Batteries Forklift Battery For Home Solar Power

Its All About The Batteries Forklift Battery For Home Solar Power

I had a sunny day so I got to really test out my old forklift batteries on my tiny house solar power. I also had a special delivery today which I will tell cover in detail later.

Since it was a bright, sunny winter day I was able to put the old forklift battery bank into manual equalize mode. My Tristar MPPT solar charge controller allows me to manually start an equalization. This means that the solar charge controller hits the battery bank with over 15 volts for a certain amount of time. This boils the acid in the battery cells and mixes the electrolyte up better. With time the heavier acid settles down and the lighter water rises. This creates an unbalanced chemistry in the battery and causes uneven distribution of power in the battery cell.

Boiling the fluid in the battery with a higher voltage mixes the fluids better and also breaks up the lead sulfate on the battery plates. This brings the battery up closer to its full power capacity.

While at Tractor Supply the other day I found a manual/automatic battery charger on sale. It was on clearance because it was stocked as a Christmas gift item. After the holidays they need to clear out old stock to prepare for new spring items. So I got an awesome deal on this charger.

The battery charger has a 10 amp setting and can be set to manual mode which allows me to put 10 amps at 14.8 volts into my forklift batteries as long as I want. This allows me to run devices inside my tiny house on wheels when the sun is down even though the batteries are not running at full capacity.

These old forklift batteries are badly sulfated. They were abused and I expect it will take a long time before they are performing well in my off grid solar application. But they are only temporary anyway until the reconditioned forklift battery arrives.

Which, by the way, happened on this day. In the afternoon hours a van pulled in carrying my new/reconditioned forklift battery. This is a 3 year old 12 volt battery bank rated at 750 AH. And it comes with a one year warranty.

This forklift battery will become the main power source for my tiny house when the sun is not generating power through the solar panels.

I expect the new forklift battery to last me at least 20 years in my solar powered home.

I used my harbor freight engine hoist to get the battery raised off the bed of the van while they drove it out from under the battery. Then I lowered it onto the ground for now.

I have to fix my truck brakes before I can get the battery over to the tiny house.

I plan to put the battery into the bed of the truck and then drive the truck over to the back side of the tiny house. Then lift the battery out with the HF engine hoist and lower it to the ground. Then I have to manipulate it into place on the pallet next to the other batteries.

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19 Comments on “Its All About The Batteries Forklift Battery For Home Solar Power”

  1. Why walk a mile to get water, when there is fresh fallen snow just outside your Tiny House on Wheels' door?

  2. I use a pro mariner pro nautic marine charger for my batteries because it is made to gt rid of sulfation in batteries,,I use one in by big cabin cruiser and my motor home and it does an awesome job of keeping my batteries up to parI have a stereo system that is power hungry and this charger keeps up,, never seen such a good charger besides zantrex

  3. Want to be off grid too but dont have electrical experience. Need to watch many more videos. love yours, thanks.

  4. hi i just bought a used needs work 6-85-13  510Ah any thoughts on bringing it back to life how many volts do u think to desulfaite weather here is 50 deggrees during day i have 60 amp solar charge controler 1000 watt arrey any help would apreciate it

  5. How are you getting the higher current and voltage to desulfate / equalize your batteries are you connected to the grid, you mentioned in your video that your solar panels are only putting out 45 watts? Watts law is P = E x I. 10 amps x 15.6 volts = 156 watts , that's minimum input into the Solar Power Controller, and I am sure that the controller takes a few watts to run so you probably need more like 175 – 200 watts input to be more realistic. Also that solar power controller looks like it may be designed for two batteries or maybe even four, and it may not equalize your all batteries with a sufficient amount of current with so many of them.

  6. Hmm, a tiny criticism about your video. titled, "All about the batteries" but it included a bunch of other 'stuff' that had nothing at all to do with your batteries. Kind of a bummer for those that want just the facts, just the facts, Jack. OK, I know your name is not Jack, but one has to watch a 22:45 video about batteries that only has about 5-7 minutes about batteries.

    BUT, I noticed one thing when you showed your wood stove and I hope this helps you out. It looks like you have insulated pipe coming straight off your wood stove. that is going to seriously decrease the effectiveness of your wood stove. You should use single wall heavy gauge black stove pipe from the stove to your ceiling and then and only then switch to insulated stove pipe. This will increase the draw of your stove and also increase the overall heat that your stove will produce into your home.

    good luck

  7. I got forklift batteries on my solar system…works great..looking to buy a nissan leaf or tesla battery pack for my second system

  8. Hey i have a tip for u and your engine hoist. When not in use make sure to lower the hoist.. also having hold something up out in the weather isn't good. The reason is , do you see how smooth the shaft is on the pump. When you leave it up it develops surface rust which means when u lower it. it will cut the seal or o-ring inside the pump.. that seal is what is holding all that pressure and weight of the hydraulic oil and such. But you can oil it heavily to help stop the rust.. I,m sure you knew this but i jus wanted to say it 😛

  9. LMAO @ -25 wind chill. In northern Canada where we are, that is an average day temp with no wind. We easily get -60 and colder with wind chill for days and weeks at a time. And yes, we can live off grid, but with lack of sun, solar is pointless, wind is the only way and it is 3 times the power for 1/2 the cost, plus, the sun don't set on the wind.

  10. actually most systems have difficulty equalizing batteries so normally gasing is not an issue except during hot weather and the sulfides will destroy inverters if mounted above the battery bank…..

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