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Old 12-09-2015, 12:50 PM   #11
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If you are storing the unit for six months. I would discharge the battery to 40% and disconnect it. I will remove it and store it in a cool dry place. The worst thing you can do to lithium batteries is to leave them sit at full charge. Doing that will dramatically reduce the life expectancy of the batteries. Also although LiFe batteries are much safer than LiPo I would still not charge unattended for an extended period of time.
Now you got me wondering Flybob. I know it's not exactly the same but it's still a big battery pack, it is for my wife's scooter. It will get 26 miles on a single charge at 30 mph's. I was told and also read to charge the battery after every use, the charger supplied will shut off after reaching full charge. They said it will be good for 1500 cycles. Also has no memory effect. Is this true about lithium batteries? I know nothing about them but a replacement cost 460.00. They do supply I special charger. Don't mean to high jack but the thread is about lithium batteries. T/U in advance..
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Old 12-09-2015, 01:01 PM   #12
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Dont have a photo of my setup, but here is a photo of a 400Ahr battery on the bench, before they worked out they couldnt fit the larger ones. That is an A4 (letter) piece of paper. Mine are 3x200Ahr.

That's beautiful.


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Old 12-09-2015, 02:48 PM   #13
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Dont have a photo of my setup, but here is a photo of a 400Ahr battery on the bench, before they worked out they couldnt fit the larger ones. That is an A4 (letter) piece of paper. Mine are 3x200Ahr.

Do you mean 4x200ah?

3 wouldn't make 12v


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Old 12-09-2015, 03:19 PM   #14
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Do you mean 4x200ah?

3 wouldn't make 12v


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Yes 12v, yes 3x200ah.
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Old 12-09-2015, 03:31 PM   #15
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What do you mean by 3x200ah?


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Old 12-09-2015, 03:44 PM   #16
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Are you saying, you took 12 cells and made 3, 200ah 12volt batteries?


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Old 12-09-2015, 03:55 PM   #17
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What do you mean by 3x200ah?


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My system is three batteries, they are each 200 amp hours each, I have six, 200w 36v Solar Panels, controlled by three 40amp MPPTs, it is a 12v system.
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Old 12-09-2015, 04:05 PM   #18
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What are you using for a charger..
Besides the solar..?


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Old 12-09-2015, 04:13 PM   #19
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Lithium Battery Advice

Sorry for all the questions..
There's just not a lot of real world info out there.

Thoughts on the battery setup?


I just looked at your location.
You probably see a lot of your type of setup.


I'd like to see your Holden too!!!


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Old 12-09-2015, 05:16 PM   #20
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What are you using for a charger..
Besides the solar..?


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Im using an Inverter Charger a TBB 2590F (?). However never need to charge off shore power or generator. We run a lot of 240v appliances, Coffee Machine 1650w, Kettle 2200w, Vaccum Cleaner 2000w, Toaster, Microwave, 40in and 32in SmartTvs, Sstelite Box, WAN Modem, etc... we have just come out of winter into Summer, on a sunny day when Im running the toaster I am still charging the batteries. (More power coming in from Solar than toaster is drawing).
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