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P01366-B21: HPE 96W Smart Storage Lithium-ion Battery with 145mm Cable Kit

HPE P01366-B21 Batterie
HPEBatteries

Also listed as: P03058-001, 878643-001, 871264-001, 871264-002 · made by Panasonic

The HPE P01366-B21 is a 96-watt centralized Smart Storage lithium-ion battery pack engineered for HPE ProLiant Gen10 and Gen10 Plus servers. It provides emergency backup power to flash-backed write cache (FBWC) modules on HPE Smart Array P-Series controllers, preserving volatile cache contents during an unexpected power loss by flushing data to onboard NAND flash.

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Specifications

Part numberP01366-B21
BrandHPE
Made byPanasonic
TypeBatteries
Other numbersP03058-001, 878643-001, 871264-001, 871264-002
Statuscurrent
TypeLithium-ion rechargeable battery pack
Capacity96W (supports up to 24 devices / controllers)
Cable length145mm integrated harness
Generation fitHPE ProLiant Gen10 and Gen10 Plus servers

About the P01366-B21

P01366-B21 is the standard 96-watt centralized Smart Storage lithium-ion battery kit with 145mm connection cable for HPE ProLiant Gen10 and Gen10 Plus rack and tower servers. It provides localized power backup for flash-backed write cache (FBWC) modules on Smart Array P408i, P408e, and P816 controllers, safeguarding write caches against ungraceful server power outages.

Compatibility

Compatible with HPE ProLiant DL380 Gen10, DL360 Gen10, DL380 Gen10 Plus, DL360 Gen10 Plus, DL580 Gen10, DL560 Gen10, ML350 Gen10, DL160 Gen10, and DL180 Gen10 servers. Plugs into the dedicated Smart Storage Battery motherboard header via the included 145mm cable.

How to identify a genuine unit

Enclosed black plastic battery pack measuring approximately 140mm x 35mm with an integrated 145mm multi-wire connector cable and locking clip. The white factory label shows option part number P01366-B21, spare part number P03058-001 or 878643-001, and assembly part number 871264-001.

Buying used

Inspect the battery pack housing for any signs of swelling, bulging, or chemical residue. Verify through iLO 5 System Information -> Power -> Smart Storage Battery that the status shows 'OK' with no degraded cell warnings and that the battery charges to full capacity without errors.

Reference prices (last 12 months, updated 2026-10-27)

Used: USD 52 (1 sighting, Oct 2026)

All sightings
SellerConditionPriceNoteSeen
ebay.comusedUSD 52Tested 100% health HPE 96W Smart Storage Battery with cable2026-10-27

Prices seen on public listings on the dates shown, before tax and shipping. Not an offer.

Fits these models

Check compatibility with HPE

Before you buy, confirm the exact configuration against the vendor's own lists: firmware levels, operating systems, adapters and optics that HPE has tested with the HPE P01366-B21.

Equivalent part numbers

FAQ

How many controllers can a single 96W battery support?

A single 96W Smart Storage battery can support up to 24 devices, including multiple P-Series Smart Array controllers within the same chassis.

Does P01366-B21 require periodic recalibration?

No, the intelligent charge circuit dynamically monitors cell health and capacity, reporting remaining lifespan and health status directly to iLO 5 without manual calibration cycles.

Buying or selling P01366-B21?

New, refurbished or used. Tell us the quantity and condition and we connect you with a vetted reseller in your region, usually within one working day.

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Sources