We take cryptocurrency — so the coins you hold can buy real hardware.Pay in crypto, spend it on real hardware. Free insured shipping worldwide over $399. Plain, unbranded boxes, sent from Germany.Free insured shipping over $399. Your rate is locked for 30 minutes once checkout opens.Rate locked 30 minutes. Every item sealed, serial-checked and covered by a 24-month warranty.Sealed, 24-month warranty.

Saved items Sign in
Rectangular sealed lead-acid battery block, matte black plastic case, two spade terminals on top, labelled 12 V 3.4 A

RefurbUPS

RefurbUPS UP825 12V 3.4A ups replacement battery

SKU CH-2QH7-KH3VS

A 12 V, 3.4 A sealed lead-acid battery kit compatible with CyberPower UP825 UPS units

  • Product typeKit/Package
  • Product weight7
  • 12V 3.4A SLA chemistry delivers reliable backup power
  • Single 12V 3.4Ah cartridge replaces the original UP825 unit
  • Factory-fresh cells ensure immediate full-capacity performance
  • High-rate discharge design sustains critical loads during outages
  • Includes step-by-step installation guide for quick replacement

Direct UPS replacement kit

This kit provides a drop-in replacement for CyberPower UP825L UPS units. It contains a single 12V 3.4A sealed lead-acid battery designed for high-rate discharge. The cartridge restores backup power to compatible UPS systems quickly. It is intended for users who need to refresh an existing UPS without replacing the entire unit.

Factory-fresh sealed construction

The battery arrives new and ready for immediate installation. Its sealed lead-acid design requires no maintenance and prevents leakage during normal operation. The cartridge format matches the original dimensions for a secure fit inside the UPS enclosure. Installers can swap the module without special tools or wiring modifications.

Step-by-step installation guide included

Comprehensive replacement instructions are bundled with the cartridge to simplify the swap process. The guide walks through safe removal of the depleted pack and correct insertion of the new unit. Following the procedure reduces downtime and avoids common wiring errors. No additional software or firmware updates are required.

How it compares

Measured against everything we stock in UPS Replacement Batteries, at today’s prices. Recalculated every night.

Price $15.99
Cheaper than about 83% of the 3,915 comparable items (median $39.99).

New to this? Which coin should you pay with — what to check, what it costs to pay, and what is never asked for.

Specifications

Product
Brand nameCyberPower
Product lineCyberPower Standby Batteries
Product typeKit/Package

Questions about this item

What voltage and amperage does the 12V 3.4A SLA battery deliver?

The battery supplies 12 volts at 3.4 amps, matching the original CyberPower UP825L specification for direct replacement.

What physical battery is included in the kit?

The kit contains one high-rate discharge 12V 3.4A sealed lead-acid battery sized for the UP825L cartridge.

How is the battery installed and which step is commonly missed?

Follow the included instructions: power off the UPS, open the battery door, disconnect the old cartridge, connect the new battery observing polarity, then close the door and power on.

More in UPS Replacement Batteries

Similar items