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Inverter and battery repair

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Here's a practical breakdown. Simple repairs like a fuse or fan replacement can cost between R800 and R2,000. More complex jobs like a main board replacement can range from R4,000 to over R15,000 in the Soweto area.

Error codes, strange noises, or a total failure to power on often indicate an inverter fault. A rapid drop in backup time usually points to the batteries. A Kandua professional diagnosis is the only way to be certain.

Standard lead-acid batteries typically last 2-5 years. Modern Lithium-ion (LiFePO4) batteries can last 8-15 years with proper care. Lifespan depends on the type and usage.

If the repair cost is more than 60% of the price of a new, comparable unit, it's usually more cost-effective to replace it. A new inverter will come with a full warranty and better efficiency.

Old batteries will reduce the performance and shorten the lifespan of the new ones. Always replace all batteries in a bank at the same time. This is strongly discouraged.