UPS Battery Replacement — Fast Service, Responsible Disposal

A UPS is only as reliable as its battery. We replace batteries across all major APC Back-UPS and Smart-UPS lines, and we handle the old battery the right way — batteries and UPS units can't go in regular trash, and we make sure they're recycled or disposed of safely, every time.

Safe Replacement & Responsible Battery Recycling

UPS battery replacement restores the backup runtime of an uninterruptible power supply by replacing its depleted battery with a compatible replacement battery cartridge. Proper battery replacement also includes safe recycling or disposal of the old battery, not just swapping it out and leaving the old one behind.

Need to recycle APC batteries or return an APC battery? We handle responsible collection and recycling as part of our replacement service — it's not a separate errand you have to figure out on your own.

Why Choose Custom Networks for Battery Replacement

Why Choose Custom Networks for Battery Replacement

Fast turnaround

Get your UPS back to full runtime without a long wait

Genuine replacement battery cartridges

Not off-brand substitutes

Responsible recycling and disposal

Every old battery handled safely, not left for you to figure out

Authorized APC by Schneider Electric distributor

Since 1990, headquartered in Westford, MA

Most UPS batteries last 3–5 years, but a few signs mean it's time sooner:

  • Runtime has dropped noticeably from what it used to be
  • Audible alarm — Your UPS is sounding a battery warning alarm or error indicator
  • Overdue maintenance — The unit hasn't been tested or replaced in over 3 years
  • Unknown battery age — You're not sure how old the battery is at all — if in doubt, we can check it for you

Most APC replacement battery cartridges use sealed lead-acid (VRLA) batteries, though newer lithium-ion UPS models have different replacement requirements — we confirm the right type for your specific unit rather than assuming.

Not sure if it's the battery or the UPS itself? As part of our ongoing preventive maintenance service, we test battery runtime and health directly rather than guessing from age alone.

How to Know If Your UPS Battery Needs Replacing

How to Know If Your UPS Battery Needs Replacing

Replace or Recycle?

When to Replace the Battery

Condition: Battery is 3–5 years old or runtime has noticeably dropped

Status: UPS electronics and chassis remain fully operational

Action: Replace the battery cartridge to restore full backup runtime without the cost of a new UPS

When to Replace the UPS or Recycle

Condition: UPS electronics have failed, unit is obsolete, or old battery removed

Status: Chassis cannot safely charge or transfer critical loads

Action: Replace the full UPS unit. Old batteries must be recycled responsibly — never regular trash

Responsible Battery Recycling & Disposal: UPS batteries can't go in household or regular business trash. When we replace a battery — or decommission an entire UPS — we handle recycling and disposal as a standard part of the service. Responsible battery recycling and disposal has been part of our service process since the company's early years, not something added for this page.

Not sure which battery your UPS needs?

Tell us your UPS model and we'll confirm the right replacement battery cartridge.

UPS Battery Replacement — Common Questions

Most UPS batteries last 3–5 years under normal conditions, though heat, frequent outages, and battery quality all affect actual lifespan. If you're not sure how old yours is, we can check it as part of a service visit.

Yes — and you should, since UPS batteries can't legally go in regular household or business trash in most areas. We handle recycling and disposal for every battery we replace.

Yes — we service major APC Back-UPS and Smart-UPS lines regardless of where the original unit was purchased.

It's APC's term for a pre-packaged replacement battery designed to drop into a specific UPS model without rewiring — we stock and install genuine cartridges rather than generic substitutes.

For most units under a few years old, battery replacement is significantly cheaper than a full UPS replacement. Once a unit is older or has other issues, we'll tell you honestly if a new system makes more sense than another battery.

Need a battery replaced or recycled?

Tell us your UPS model and we'll get you the right battery, fast.

What Happens After You Submit

01

Battery Confirmation

A member of our team confirms the right battery for your model

02

Scheduling & Pickup

We schedule replacement — and pick up the old battery for proper disposal if needed

03

Restored Runtime

You're back to full runtime, with the old battery handled the right way