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
Green rectangular Ni-MH battery pack with wire connector, 51 by 44 by 14.59 mm

Estry

Estry 3.6V 2000mAh Ni-MH Battery FC2778 44L0313 2778

SKU CH-DSE7-704VJ

Replacement Ni-MH pack for FC disk-controller cache modules, 3.6 V 2000 mAh 7.2 Wh, fits part numbers 44L0313 and 2778

  • Battery pack size1 Year
  • Details3.6
  • Exact-fit replacement for FC2778 cache controllers
  • 6 V 2000 mAh Ni-MH delivers 7.2 Wh runtime
  • Certified to ISO 9001, RoHS, CE, UN38.3 and MSDS
  • Over-charge, over-discharge and short-circuit protection built in
  • Compact 51.09 x 43.61 x 14.59 mm pack weighs 131.7 g

Replacement for FC2778 cache controller

This 3.6V 2000mAh nickel-metal-hydride pack replaces the original battery in FC disk-controller cache modules and compatible AS400, iSeries, pSeries and xSeries systems. It supplies 7.2Wh to preserve cached data during power loss. The cell matches the factory voltage, capacity and physical footprint for direct installation.

Fits FC2778, AS2740 and listed part numbers

The pack measures 51.09 by 43.61 by 14.59 millimetres and weighs 131.7 grams, matching the original mechanical envelope so no chassis modification is required. It connects to the existing controller header, freeing the administrator from sourcing proprietary IBM part numbers such as 44L0313, 22R2717 or 42R5070.

Includes over-charge, over-discharge

Built-in safety circuitry guards against over-voltage, over-charge, over-discharge and short-circuit events, extending service life in continuous-uptime environments. The battery carries ISO9001, RoHS, CE, UN38.3 and MSDS certifications, confirming compliance with international transport and substance restrictions.

How it compares

Measured against everything we stock in Household Batteries & Chargers, at today’s prices. Recalculated every night.

Price $15.99
Pricier than about 70% of the 10,440 comparable items (median $10.99).

Specifications

Product
Brand nameNi-MH
Model name2,000 mAh
In the box
Battery pack size1 Year

Questions about this item

What is the capacity limit that determines how long the battery backs up the cache controller?

The pack stores 2000mAh at 3.6V, giving 7.2Wh of energy for the FC2778 cache controller.

Does the battery generate noticeable heat or noise during continuous server operation?

Ni-MH chemistry runs silently and produces minimal heat; the compact 51.09 x 43.61 x 14.59mm pack weighs 131.7g and fits inside the controller enclosure.

Which controller models or part numbers must already be installed for this battery to fit?

It replaces part numbers 2763, 5709, 3HR-AAC, 5703, 44L0313, 2782, 5729, 22R2717, 42R5070 and 2778 in FC Disk Controller, AS2740, xSeries, AS400, i5, pSeries and iSeries systems.

More in Household Batteries & Chargers

Similar items