VEVOR 12V 100Ah LiFePO4 Battery, Up to 15000 Cycles, Deep Cycle Lithium Iron Phosphate Battery with Built-in BMS, Low Temperature Protection, 10 Years Lifetime, for Solar Off-Grid Home Energy Storage

If your inverter is 24V, you can use two 12.8V 200AH batteries connected in series, or choose a 24V 200AH battery.

This product only has 600W of power and cannot run a 2000W Vevor sump pump inverter.

No, the battery does not come with a charger If this answer does not resolve the current issue, please contact us again for assistance.

The technician works on the hardware side and does not have access to the monitoring software. Therefore, the only way he can verify the charging status is by checking whether the charger is operating. If this information does not resolve your issue, please do not hesitate to contact us again. We will be happy to assist you further.

 He works on the hardware side and doesn't have access to the monitoring software, so he can only check by seeing if your charger is running. If this answer does not resolve your current issue, please contact us again for assistance.

You don't need a proprietary charger, but you should use a 12V LiFePO4-compatible smart charger for proper charging and battery life.