Choosing a Battery That Matches Your Inverter

In depth

Second is battery type in the inverter settings: it must support the lithium (or gel) charge profile, with charge and cut-off voltages set from the battery datasheet.

Third is current: the battery's maximum charge current must be at least what the inverter delivers, and its maximum discharge current must cover your peak load.

Fourth is communication: some hybrid inverters read battery state over CAN or RS485, which improves charge accuracy and prevents abrupt cut-offs.

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Common mistakes to avoid

• Comparing amp-hours only and ignoring voltage, ending up with four times less energy than needed
• Discharging lead acid below 50%, which cuts life to less than half
• Picking a bank that does not match the inverter voltage, so charging fails or runs inefficiently
• Thin cable or a long run between bank and inverter, causing voltage drop and lost power
• Mixing new and old packs, or different capacities, on the same bus

Next step

Send your load list and required hours over WhatsApp, or use the on-site system calculator to size the battery bank and array.

Technical advice is free, and the recommendation is based on your real consumption, inverter voltage and installation location rather than on the largest battery in stock.

Frequently asked questions