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