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Solar Battery in Cold temperatures
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I posted about this years ago as my pylontech battries are in the garage. I just live with it for the realativly few days that its a problem, i have wrapped them in bubble wrap not sure is that has helped. Being on "Cosy" mitigates the issue a little as they are usually warmer during the daytime charging slot. This is not just an issue with lithium lead acid batteries are also slow to charge when very cold.3.995kWP SSW facing. Commissioned 7 July 2011. 24 degree pitch (£3.36 /W).
17 Yingli 235 panels
Sunnyboy 4000TL inverter
Sunny Webox
Solar Immersion installed May 2013, after two Solar Immersion lasting just over the guarantee period replaced with Solic 200... no problems since.
13 Feb 2020 LUX AC 3600 and 3 X Pylon Tech 3.5 kW batteries added...
20 January 2024 Daikin ASHP installed1 -
I imagine sodium ion batteries will soon become the norm for static storage, particularly for outdoor batteries.0
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My ranking of batteries for outdoor applications (installed outside the property or in a unheated/ uninsulated garage) for their cold weather performance.1) Tesla PW3
2) Tesla PW2
3) Enphase
4) GivEnergy All in One (performance does degrade but not quite as significantly as their other batteries)
5) Puredrive PureStorage II
6) SolarEdge / LG- 10 x 400w LG Bifacial + 6 x 550W SHARP BiFacial + 2 x 570W SHARP Bifacial + 5kW SolarEdge Inverter + SolarEdge Optimizers. SE London.
- Triple aspect. (33% ENE.33% SSE. 34% WSW)
- Viessmann 200-W on Advanced Weather Comp. (The most efficient gas boiler sold)Feel free to DM me for help with any form of energy saving! Happy to help!2
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