Insights
UPS selection, standards & application guides.
Practical engineering guidance for specifying lithium UPS and power inverters, covering selection logic, voltage standards, topology and real application requirements.
Battery & Runtime guides.
Showing 1–10 of 10 guides
What to Monitor in a Lithium UPS Battery System Beyond State of Charge
State of charge is only one view of a lithium UPS battery system. The following engineering and procurement checks make the answer measurable before an order is placed.
UPS Recharge Time After an Outage: Why It Matters for Repeated Events
Plan UPS recharge around the next required duty, not only a nominal “full charge” time. The following engineering and procurement checks make the answer measurable before an order is placed.
Scaling External UPS Battery Packs: What Must Be Recalculated
External UPS battery packs cannot be added indefinitely. The following engineering and procurement checks make the answer measurable before an order is placed.
Upgrading a Rack UPS to Lithium: Replace the System or Retrofit?
Plan a lithium battery UPS upgrade around host compatibility, rack fit and a controlled cutover, rather than treating a battery change as a simple swap.
LiFePO4 UPS TCO: The Inputs You Need Before Claiming a Saving
A credible LiFePO4 UPS total-cost comparison uses matched power, runtime, duty, temperature and service assumptions. The following engineering and procurement checks make the answer measurable before an order is placed.
Rack Space vs Runtime: Planning U-Height for a Lithium UPS System
Plan rack U-space for the UPS host, every battery module, cable bend radius, airflow and service access. It focuses the discussion on project conditions, configuration scope and evidence rather than catalogue shorthand.
How to Write a UPS Runtime Acceptance Test for a New Installation
A useful runtime acceptance test states the load, starting battery condition, operating mode, stop criterion, data to record and recovery procedure. The result is a decision record that engineering, procurement and the supplier can all verify.
How Temperature Changes UPS Battery Runtime and Service Life
Battery runtime and service life depend on temperature as well as chemistry and capacity. A buyer can use this guide to define the input, evidence and acceptance result before comparing models.
Built-In vs External LiFePO4 Batteries for Rack UPS Systems
Choose built-in LiFePO4 when compact deployment and a defined autonomy fit the requirement; choose external battery packs when runtime must scale. The following engineering and procurement checks make the answer measurable before an order is placed.
How to Specify UPS Runtime Using Real Load Watts
Specify UPS runtime at a measured load in watts and a defined operating condition. Use the checks below to turn that question into a comparable supplier requirement.
Engineering guidance
Make a better power-system decision.
Every article answers a real buyer question — which battery chemistry, which topology, which voltage, which model for which environment — with the parameters and trade-offs an engineer needs to decide. Each links through to the relevant products and solutions.
Have a specific question?
Tell us your load and we'll advise.
Use these guides to frame the requirement, then send the load, voltage, runtime and destination for a configuration review.