100 watt Solar decision
I'm planning on Boondocking for a few months, plan to run my phone, some lights and hopefully my refrigerator on a 100 watt solar panel charging the Travel Trailer Battery for a short time job. Aft...
Forum Discussion
Brettmm92 wrote:
After dedicating serious time looking around for batteries, I feel like out of accessibility interstate batteries might be the winner. Lots of people don't like shipping batteries, probably because they have heavy lead in them?
Lead-acid batteries are considered hazardous materials
Brettmm92 wrote:
And Pianotuna, why are you so interested in getting those SiO2 Batteries?
1. because they can be used and charged at -40.
2. because they share most of the attributes of LI batteries, especially they do not sulfate on partial charges.
3. 2800 cycles (7.6 years of daily use) to 50% state of charge or 1500 cycles (4.1 years of daily use) to 20% state of charge.
4. sealed so almost no maintenance.
5. the 100 amp-hour can handle a surge of 900 amps for 5 seconds. That, I believe is far better than LI can do. As I'll have 4 of them that becomes a surge of 3500 amps. At 50% that gives me capacity of 200 amp-hours and at 20% 320 amp-hours. At the moment I have 556 amp-hours of fairly old AGM Telcom jars. So the SiO2 represents an upgrade for usable storage. I do have room for six SiO2 and may do that.
6. 1/2 to 1/3 the price of LI
7. with that life span and me no longer being full time it should be the last set I ever need to buy.
