Sorry but the theoretical price of cells isn’t relevant to the consumer. The price of products containing them is. This thing costs currently on the official site 900€ (with some sort of sale going on). The Elite 100v2 with comparable capacity, but using LiFePo4 (included in the same current sale) costs just 550€. To add insult to injury, it also outperforms the Na model in nearly every aspect except sub-freezing performance (where it at least still works, but nowhere near normal spec values either). This includes an abysmal solar charging efficiency for the Na of roughly 50% at normal temperature. Somehow.
Again, once the price reflects the cell cost, this could be a very attractive option. At the moment, unless you’re into camping in sun-zero climates, it’s just a very bad deal.
Edit: to be clear the Na model also doesn’t have a better life expectancy, not according to the spec. Both models are specified to “over 4000 cycles”, not there is no percentage threshold specified for the Na model. The LiFePo4 model includes “to 80% capacity” in that definition. If this is specified somewhere for the Na model, I can’t find it.
CATL wholesale pricing per kWh is already almost 50% below lifepo with a goal of sub $20/kWh pricing in coming years.
Sorry but the theoretical price of cells isn’t relevant to the consumer. The price of products containing them is. This thing costs currently on the official site 900€ (with some sort of sale going on). The Elite 100v2 with comparable capacity, but using LiFePo4 (included in the same current sale) costs just 550€. To add insult to injury, it also outperforms the Na model in nearly every aspect except sub-freezing performance (where it at least still works, but nowhere near normal spec values either). This includes an abysmal solar charging efficiency for the Na of roughly 50% at normal temperature. Somehow.
Again, once the price reflects the cell cost, this could be a very attractive option. At the moment, unless you’re into camping in sun-zero climates, it’s just a very bad deal.
Edit: to be clear the Na model also doesn’t have a better life expectancy, not according to the spec. Both models are specified to “over 4000 cycles”, not there is no percentage threshold specified for the Na model. The LiFePo4 model includes “to 80% capacity” in that definition. If this is specified somewhere for the Na model, I can’t find it.