Battery Issues
Which Battery Is Best for a Home UPS? Tubular, Dry (AGM/Gel) or Lithium
Tubular lead-acid is the value pick for occasional outages, lithium wins for daily ones, and sealed dry batteries suit rooms you cannot ventilate.
5 min read
Battery Issues
Most backup complaints are really battery complaints: a bank that no longer lasts the evening, needs distilled water every few weeks, or never quite reaches full. It is rarely just an old battery. Charge voltage, charge current, standby draw and heat account for most of it, and these guides give the figures to measure against before you spend money on a replacement or a lithium upgrade.
9 guides
Battery Issues
How to Increase UPS Backup Time: 8 Changes That Actually Work
Swapping two old fans for BLDC fans nearly doubles backup on one battery. The eight changes that add real hours, from cutting load to adding capacity.
4 min read
Battery Issues
How Long Does a UPS or Inverter Battery Last?
About 3–5 years for a sealed computer UPS battery, 2–6 for tubular lead-acid and 10+ for LiFePO4. Heat and daily deep discharge shorten them all.
4 min read
Battery Issues
UPS or Inverter Not Charging the Battery? Causes and Fixes
Low mains voltage, a wrong battery setting, a loose terminal or a worn battery cause most of it. How to tell which with one multimeter reading.
6 min read
Outage Prep
Load Shedding: Sizing Backup Power for Daily Scheduled Cuts
With cuts every day, the battery must refill between them. How to size for recharge time as well as backup, and why lithium often pays off.
4 min read
Battery Issues
Why Do I Have to Refill My Inverter Battery Water So Often?
Topping up every few weeks means something is wrong: usually charge voltage set too high, heat, or too much charge current. The numbers to check each.
10 min read
Battery Issues
Lithium Battery vs Lead-Acid for UPS – Is It Worth the Upgrade?
It turns on how often you deep-discharge. Cycle life, usable capacity and charging compared, plus the compatibility checks that catch people out.
7 min read
Battery Issues
Why Does My Inverter Battery Drain So Fast Overnight?
Usually it is not the battery. Standby draw, always-on devices and a bank that never fully charged cause most of it — with the numbers to check each.
6 min read
Battery Issues
How Long Does It Take to Fully Charge an Inverter Battery?
About ten hours for a 150 Ah battery from half empty on a 10 A charger, and the last fifth is the slowest. Why 'full' often is not, and what to check.
5 min read