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Frequent load shedding and power fluctuations force the battery to cycle constantly, which shortens its lifespan compared to countries with stable power grids. In South Africa, expect 2 to 3 years.

No, unless you are a qualified electrician. A UPS can hold a lethal electrical charge even when unplugged. DIY work also risks voiding your device’s warranty and potentially your home insurance. It's always worth getting a professional assessment for your specific needs.

However, a loud or new buzzing or crackling sound can signal a failing fan, transformer, or another internal part. A low, consistent hum is normal. It should be inspected by a professional immediately.

We recommend hiring a pro with specific UPS repair experience. While most electricians can handle a battery replacement, complex repairs involving circuit boards require a specialist with experience in power electronics.

Clear signs include the "replace battery" light being on, the unit beeping continuously, or providing only a few minutes of runtime during a power cut, and this is especially relevant for Bellville residents.