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
Small black rectangular lithium-ion battery with connector, new condition

Beisite

Beisite 39R6519 39R6520 42C2193 Memory Cache Battery for IBM DS3000 System 2023

SKU CH-QME7-XD5T5

Lithium-ion 2.5 V 24.4 Wh cache battery replaces part numbers 39R6519, 39R6520 and 42C2193 for IBM DS3000, DS3200 and DS3400 systems

  • ColorBlack
  • TypeBattery
  • Compatibilityfor IBM DS3000 System
  • Battery TypeLithium-Ion
  • Battery Voltage2.5V
  • Battery Capacity24.4Wh
  • Replaces original IBM part numbers 39R6519 39R6520 42C2193
  • 5 V lithium-ion cell delivers 24.4 Wh capacity
  • Fits DS3000 DS3200 DS3400 storage systems
  • New 2023 manufacture ensures full shelf life
  • Single battery module restores controller cache power

Replacement Battery for IBM DS3000 Series

This lithium-ion cache battery replaces part numbers 39R6519, 39R6520 and 42C2193 in IBM DS3000, DS3200 and DS3400 storage systems. It supplies 2.5V and 24.4Wh to preserve write-cache data during power loss. The unit is new and ships as a single battery.

Passive Operation with No Cooling Required

The battery draws no active power and generates no heat or noise while installed in the controller enclosure. It maintains the 2.5V rail only when the main supply fails, so normal operation adds zero thermal load. No fan, radiator or airflow management is involved.

Direct Swap Without Extra Cables or Software

The package includes one battery that matches the original form factor and connector layout. No mounting hardware, cables, firmware tools or configuration utilities are bundled or needed. Installation is a simple module exchange inside the DS3000 family chassis.

Highlights

  • Replaces original IBM part numbers 39R6519 39R6520 42C2193
  • 5 V lithium-ion cell delivers 24.4 Wh capacity
  • Fits DS3000 DS3200 DS3400 storage systems
  • New 2023 manufacture ensures full shelf life
  • Single battery module restores controller cache power

Specifications

Brand39R6519
Model39R6519
Part Number39R6520
ColorBlack
TypeBattery
Compatibilityfor IBM DS3000 System
Battery TypeLithium-Ion
Battery Voltage2.5V
Battery Capacity24.4Wh

Questions about this item

How do I install the 39R6519 battery in my DS3000 controller and what step is often missed?

Power down the DS3000, open the controller canister, unplug the old 39R6520 pack, insert the new 2.5 V lithium-ion unit, then re-enable write-back cache in the storage manager — the step most people forget.

What maintenance or replacement will the 42C2193 cache battery need over time?

The 24.4 Wh lithium-ion cell gradually loses capacity; plan to swap it every three to five years or when the DS3000/DS3200/DS3400 logs a cache-battery degradation alert.

What limit appears first on the 39R6520 during sustained heavy write workloads?

The 2.5 V output can sag under continuous cache-flush cycles, triggering the controller to throttle write-back mode and fall back to write-through until the cell recovers.

Also in this aisle

People compared these

Same shelf, same checkout — eight coins and a 30-minute rate lock.