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I have Tattu Jump Starter from Grepow company, i know this brand due to purchase drone battery, i bought it on Amazon before. Thats their official websites: Grepow: https://www.grepow.com/ Gens Tattu: https://www.genstattu.com/

Hi everyone, I am not an expert in battery. I would like to know that is a necessary charge battery at below 0℃? Cause I find a product that provide chargeable battery at cold environment: https://www.grepow.com/page/low-temperature-battery.html Is that work? However, how can battery achieve...

Apperaciate for your advice, it is costly for heating up the battery?

LiFePO4 Battery is free of maintaining cost, so it may more economical, is that true?

Yes...that true, on my understanding there have two ways to charge at freezing temperature 1. Special charger to heat up the battery; 2. BMS/PCM with self-heating. But I consider that it may spend a lot of time for heating, so LiFePO4 batteries may be better except the charging problem?

Hi, how do you provide power to the Refrigerator? Would you buy the power station or storage for that?

Lithium lron has more cycle span and capacity, safety. So why AGM still recommended for RVs? thus I had read this article: https://blog.grepow.com/lithium-iron-phosphate-lifepo4-vs-lead-acid-batteries/ When i choose the battery for RV, should i consider the cold or hot temperature features?