UPS Battery Repair & Maintenance
🛠️ Common UPS Battery Issues
🔋 Low backup time or no backup at all
🔌 Battery not charging properly
⚠️ Swollen or leaking battery casing
🛑 Frequent alarms or shutdowns
🔥 Overheating during charge or discharge
✅ Maintenance Checklist for UPS Batteries
Task Description
🔍 Visual Inspection Check for physical damage, corrosion, swelling
🔌 Connection Check Tighten loose terminals; clean corrosion
🔋 Voltage CheckMeasure voltage across battery terminals (should be ~12.6-13.5V for 12V batteries)
🔁 Battery Cycling Discharge and recharge battery occasionally to maintain health
🌡️ Temperature Control Keep battery at room temperature (20–25°C ideal)
🔄 Replacement Schedule Replace battery every 3–5 years depending on usage
🧰 Repair Options
Cell Rebalancing or Replacement (rare; cost-effective for large batteries only)
Refilling (for non-SMF types): Only for flooded lead-acid batteries
Software Reset: In some digital UPS systems
