This one’s pretty popular: https://signaturesolar.com/eg4-lifepower4-lithium-battery-48v-100ah/ https://signaturesolar.com/eg4-lifepower4-lithium-battery-48...

This one’s pretty popular: https://signaturesolar.com/eg4-lifepower4-lithium-battery-48v-100ah/ https://signaturesolar.com/eg4-lifepower4-lithium-battery-48... And is made to work well with this kind of inverter: https://signaturesolar.com/eg4-6-5k-off-grid-inverter-6500ex-48/ https://signaturesolar.com/eg4-6-5k-off-grid-inverter-6500ex... (They have a smaller 3 kw inverter for about half the price)