00NY493 replacement battery for Lenovo ThinkPad P50 P51 P52 — 90Wh 11

00NY493 90Wh 11.25V Replacement Battery for Lenovo ThinkPad P50 P51 P52-High-Capacity Workstation Battery Supply

Q: Does 00NY493 fit the ThinkPad P53 or P72, which also appear in some cross-reference lists for adjacent P-series batteries?

No. The ThinkPad P53 (Type 20QN, 20QQ) uses a 4-cell 80Wh pack at 15.28V, and the P72 uses a different 6-cell or 8-cell configuration at 11.4V or 15.2V depending on configuration — neither is physically interchangeable with the 00NY493. The 00NY493's confirmed compatibility is limited to ThinkPad P50, P51, and P52 type codes only. If a P53 or P72 appears in a repair queue, those require a separate battery SKU sourced against the P53 or P72 FRU directly.

Q: After installing 00NY493 in a ThinkPad P50, Lenovo Vantage reports 'Battery not recognized' despite the battery being fully seated. What is the correct resolution sequence?

On the ThinkPad P50, this is a documented first-installation behaviour caused by the EC's authentication sequence running against a battery in deep storage discharge state. Connect the AC adapter with the replacement battery installed and allow it to charge to at least 15% before powering on — do not power on from a fully discharged state. If the flag persists after charging, perform a full power cycle: shut down, disconnect the adapter, hold the power button for 15 seconds, reconnect, and power on. A BIOS update via Lenovo's support site resolves persistent recognition failures on P50 firmware versions prior to the 2018 EC update.

Q: Is there a way to identify the battery capacity type installed in a ThinkPad P50 or P51 remotely — without sending a technician to open the chassis — for a fleet managed through an MDM system?

Yes. On Windows 10/11, powercfg /batteryreport run via remote PowerShell or an MDM script returns the designed capacity in mWh — 90,000 mWh (±5%) confirms the 90Wh battery type. This can be executed silently across a managed fleet using Intune, SCCM, or equivalent MDM platforms as a pre-order audit step, producing a device list segmented by battery capacity type before any parts are ordered. The report also returns current charge health, allowing the depot to prioritise replacements by degradation level rather than arbitrary order.

OEM P/N: 00NY493 | Cross-references: 00NY490, 00NY491, 00NY492, 01AV477, 01AV495, 01AV496, SB10H45075, SB10H45076, SB10H45077, SB10H45078, SB10K97634, SB10K97635, SB10T83194, SB10T83195, L17L6P51, L17M6P51, 5B10W13951, 5B10W13952, 4X50K14091, 77+, 77++, 3ICP7/67/66-2, 4ICP6/65/93, 4ICP6/58/92
Specs: 11.25V nominal (11.4V on some batch labels) · 7800–8000mAh · 90Wh · Li-ion · 6-cell · Black
Compatible series: ThinkPad P50 (Type 20EN, 20EQ) · ThinkPad P51 (Type 20HH, 20HJ, 20MM, 20MN) · ThinkPad P52 (Type 20M9, 20MA)
Supply profile: Twenty-plus interchangeable P/Ns across 00NY-, 01AV-, SB10H-, SB10K-, L17-, 5B10W- and 4X50K- naming conventions held under one 90Wh wholesale stock position; low MOQ with mixed-SKU ordering supported
Capacity tier: The ThinkPad P50, P51, and P52 each accommodate multiple physically distinct battery types — 00NY493 is the 90Wh 6-cell variant; buyers must verify the original battery P/N before ordering to avoid a mis-type installation.

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Product Description

The ThinkPad P50, P51, and P52 are Lenovo’s mobile workstation platforms — ISV-certified, Xeon- and Core i7-capable machines deployed heavily in engineering, media production, and scientific computing environments where battery runtime under sustained CPU and GPU load is a primary fleet specification. The 00NY493 is the 90Wh 6-cell battery covering all three of these platforms across four years of production (2016–2019), and it carries one of the largest cross-reference P/N families in Lenovo’s aftermarket parts catalogue — over twenty interchangeable part numbers across six naming conventions.

The P50 (Type 20EN, 20EQ), P51 (Type 20HH, 20HJ, 20MM, 20MN), and P52 (Type 20M9, 20MA) share the same 90Wh battery bay geometry and connector position across all CPU and GPU configurations within each generation. A repair depot stocking 00NY493 holds complete 90Wh battery coverage for the entire P50-through-P52 workstation population without any sub-model sort — a single stock line resolves repair tickets across three generations of Lenovo’s mobile workstation line.

The critical procurement boundary for this platform is battery type verification: the P50, P51, and P52 each shipped with multiple battery types that are physically distinct and non-interchangeable. Ordering against the 90Wh 00NY493 P/N for a unit that shipped with a different battery type results in a non-fitting installation. Pre-order verification — opening the chassis to read the original battery label or checking the original FRU against Lenovo’s parts documentation — eliminates this error before parts are committed.

Technical Parameters

Parameter	Specification
Battery Model	00NY493
Compatible Part Numbers	00NY490 · 00NY491 · 00NY492 · 01AV477 · 01AV495 · 01AV496 · SB10H45075 · SB10H45076 · SB10H45077 · SB10H45078 · SB10K97634 · SB10K97635 · SB10T83194 · SB10T83195 · L17L6P51 · L17M6P51 · 5B10W13951 · 5B10W13952 · 4X50K14091 · 77+ · 77++ · 3ICP7/67/66-2 · 4ICP6/65/93 · 4ICP6/58/92
Brand Compatibility	Lenovo
Voltage	11.25V nominal (11.4V on some batch labels — electrically equivalent)
Capacity	7800–8000mAh (batch variance; 90Wh is the authoritative specification)
Energy	90Wh
Cell Type	Li-ion
Cell Configuration	6-cell · 3ICP7/67/66-2 / 4ICP6/65/93 / 4ICP6/58/92
Color	Black
Condition	New replacement — OEM-grade compatible
Cycle Life	≥500 charge cycles
Certifications	CE · FCC · RoHS
Warranty	12 months
Package Includes	1 × 00NY493 replacement battery
Compatible Laptop Models	Lenovo ThinkPad P50 (Type 20EN, 20EQ) — all CPU/GPU configs · ThinkPad P51 (Type 20HH, 20HJ, 20MM, 20MN) — all configs · ThinkPad P52 (Type 20M9, 20MA) — all configs · Note: 90Wh battery type only — verify original battery P/N before ordering
Application	Lenovo ThinkPad P-series workstation — wholesale distribution, field service supply, institutional procurement
Supply Type	Wholesale supply · Mixed orders accepted · Stock available

Need a stable supply plan? Send your model list + quantities + destination. We’ll confirm lead time, shipping method, and compliance documents before you place the order.

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Features & Advantages

✅ 🔋 90Wh at the Workstation Runtime Specification

At a typical mobile workstation duty cycle — sustained CPU and discrete GPU load under professional applications — a 90Wh pack delivers meaningfully longer runtime between charges than the lower-capacity battery types available for the same P50/P51/P52 chassis. For fleet administrators specifying replacement batteries for engineers or designers using their P-series machines away from mains power, sourcing the 90Wh variant rather than a lower-capacity type directly affects the device’s productive use window per charge. The 500-cycle rating, measured against a 4-to-5-year enterprise asset lifecycle typical for workstation-class devices, positions this battery to remain serviceable through most of the host device’s deployment period.

✅ 🔗 Twenty-Plus P/Ns, Three Generations, One Stock Line

The 00NY4xx FRU series, 01AV477/495/496 service P/Ns, SB10H45075–SB10H45078 SPN codes, SB10K97634/97635 ASM codes, L17L6P51/L17M6P51 component codes, and 77+/77++ Lenovo model designations all refer to the same 90Wh 6-cell physical unit. A repair technician reading any of these numbers from a removed battery can source 00NY493 as the replacement without a compatibility concern — the naming divergence reflects Lenovo’s parallel documentation systems for FRU, SPN, and ASM records, not a specification difference. Stocking a single SKU covers the complete P/N family across all three ThinkPad P-series generations.

✅ ⚙️ Workstation EC Power Management and BMS Architecture

The most field-reported installation issue on the ThinkPad P50 and P51 is a “Battery not recognized” notification appearing in Lenovo Vantage immediately after replacement — even when the battery is correctly seated. On these platforms, the EC’s power management firmware validates the battery’s Smart Battery System data at first POST and rejects units whose BMS has not been activated from a low-charge storage state. Activating the battery before installation — connecting it briefly to the system, allowing it to reach at least 10% charge, then powering off and reseating — resolves the recognition issue in the majority of field cases. The BMS itself sequences protection functions with thermal monitoring as the primary continuous watchdog, overcharge cutoff as the charge-path response, and short-circuit interrupt and over-discharge cutoff as load-event responses.

✅ 📦 Purchase Order Simplification Across a Three-Generation Workstation Fleet

An IT asset manager responsible for a P-series workstation fleet spanning P50, P51, and P52 units — a common configuration in organisations that upgraded workstations on a rolling 3-year cycle through 2016–2019 — can address 90Wh battery replenishment for all three generations from a single line item on a purchase order. No generation split is required at the ordering stage; the same P/N resolves all three platforms. Wholesale orders ship from stock, with mixed-SKU ordering supported for depots that combine this line with batteries for other ThinkPad or ThinkBook SKUs in a consolidated replenishment shipment.

✅ 🔍 Multi-Battery-Type Platform: Pre-Order Verification Prevents Installation Errors

The ThinkPad P50, P51, and P52 each shipped with multiple battery types — the 90Wh 6-cell (this unit), a lower-capacity variant, and in some P51/P52 configurations an extended-capacity option — all using different connectors and mounting configurations within the same chassis family. A repair depot receiving a P50 or P51 for battery service cannot assume the 90Wh type without reading the original battery label or cross-checking the device’s FRU record. The fastest pre-order verification method is to run `lenovo-part-number` against the device serial number in Lenovo’s parts lookup tool at support.lenovo.com/partslookup — this returns the exact FRU for the installed battery in under 30 seconds.

Packing & Delivery

Lead Time & Shipping

In-stock items: Ship within 3 days
For standard replacement models with available inventory.
Mass production orders: Ship within 7 days
For regular models under confirmed specifications and packaging requirements.
Customized orders: Ship within 15 days
For custom cell configuration, size, wire/connector, PCB/BMS, labeling, or packaging.

Note: Final dispatch time depends on total quantity, model complexity, packaging requirements, and shipping compliance documents. We will confirm the estimated shipping date (ETD) after order confirmation.

Available shipping methods:

Air freight (urgent, smaller volume)
Sea freight (cost-effective for bulk)
Rail / Truck (subject to destination)
Express channels

Compliance & Documents:

Documents available: UN38.3 / MSDS / Transport Test Report (if applicable)
Compliant packaging and carton labeling can be arranged based on the chosen shipping method.

Shipping terms:

EXW / FOB / CIF / DDP available

FAQ

Q1: The ThinkPad P51 listing says there are multiple battery types. How do I confirm a P51 unit takes the 90Wh battery and not a different type?

A1: The most reliable method is to open the chassis base cover and read the battery label directly — the P/N printed on the installed battery maps unambiguously to this listing if it matches any of the 00NY4xx, 01AV477, 01AV495, 01AV496, SB10H4507x, SB10K97634/35, L17L6P51, L17M6P51, 77+, or 77++ strings. Alternatively, Lenovo’s parts lookup tool at support.lenovo.com/partslookup identifies the installed FRU by serial number in seconds, without needing to open the device. Do not source by model name alone — the P51 chassis accommodates physically distinct battery types that share the same external appearance.

Q2: Some listings for this battery show 11.25V and others show 11.4V. Does the voltage difference indicate a different battery or affect the P50’s charging behaviour?

A2: Both voltage figures refer to the same 6-cell Li-ion unit. The 11.25V and 11.4V labels reflect two rounding conventions applied to the same cell nominal voltage across different production batches and naming conventions within the 00NY4xx / 01AV4xx / L17x6P51 family. The ThinkPad P50, P51, and P52 charge controllers accept both voltage nominals from this battery family without issuing a compatibility warning. For procurement records, use 11.25V as the primary specification — it appears on the majority of OEM documentation for this P/N group.

Q3: Does 00NY493 fit the ThinkPad P53 or P72, which also appear in some cross-reference lists for adjacent P-series batteries?

A3: The ThinkPad P53 (Type 20QN, 20QQ) and P72 (Type 20MB, 20QS) use different battery families at higher voltage — the P53 uses a 4-cell 80Wh pack at 15.28V, and the P72 uses its own 6-cell or 8-cell configuration at 11.4V or 15.2V depending on configuration. Neither is physically interchangeable with the 00NY493. The 00NY493’s confirmed compatibility is limited to ThinkPad P50, P51, and P52 type codes. If a P53 or P72 appears in a repair queue alongside P50-through-P52 units, those require a separate battery SKU sourced against the P53 or P72 FRU directly.

Q4: After installing 00NY493 in a ThinkPad P50, Lenovo Vantage reports “Battery not recognized” despite the battery being fully seated. What is the correct resolution sequence?

A4: On the ThinkPad P50, this is a well-documented first-installation behaviour caused by the EC’s battery authentication sequence running against a battery in deep storage discharge state. Connect the AC adapter with the replacement battery installed and allow it to charge to at least 15% before powering on the system — do not attempt to power on from a fully discharged state. If the “not recognized” flag persists after charging, perform a full power cycle: shut down, disconnect the adapter, hold the power button for 15 seconds, reconnect the adapter, and power on. A BIOS update via Lenovo’s support site resolves persistent recognition failures on P50 firmware versions prior to the 2018 EC update.

Q5: What is the fastest way for a service depot to build a replenishment order for mixed P-series and non-P-series ThinkPad batteries without raising separate purchase orders per model?

A5: Submit a single SKU list covering all ThinkPad battery lines needed — 00NY493 alongside T-series, E-series, or X-series batteries, for example — as one consolidated wholesale order. Low MOQ applies across the total order rather than per line item, which eliminates the minimum threshold problem that arises when ordering low quantities of multiple SKUs separately. The key input needed from the depot before a quote can be issued is a battery-by-battery list with quantities — specifically the P/N or model type code for each line, since ThinkPad P-series units require type code or original battery P/N confirmation rather than model name alone given the multi-battery-type platform complexity.

Q6: Is there a way to identify the battery capacity type installed in a ThinkPad P50 or P51 remotely — without sending a technician to open the chassis — for a fleet of devices managed through an MDM system?

A6: Yes. On Windows 10/11, powercfg /batteryreport run via remote PowerShell or an MDM script returns the designed capacity in mWh for each device — 90,000 mWh (±5%) confirms the 90Wh battery type. This can be executed silently across a managed fleet using Intune, SCCM, or equivalent MDM platforms as a pre-order audit step, producing a device list segmented by battery capacity type before any parts are ordered. The report also returns the current charge health, which allows the depot to prioritise units by battery degradation level and sequence replacements by urgency rather than processing in arbitrary order.