> Honestly I'd rather a battery that's super reliable and NOT using any lithium ion inside it in my home. As it doesn't need to move, it can sit there in an unu

> Honestly I'd rather a battery that's super reliable and NOT using any lithium ion inside it in my home. As it doesn't need to move, it can sit there in an unused space and be really heavy. It sounds to me like you're asking for a nickel-iron battery.