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40Y6799 — Lenovo 40Y6799 laptop spare part Battery

✓ Government record, cited
IBM · IT_GENERAL · IT_UNCLASSIFIED
PRODUCT OVERVIEW

40Y6799: Lenovo 40Y6799 laptop spare part Battery.

Stay unplugged longer with the help of a spare ThinkPad system battery. Help increase your productivity by achieving longer system run times than with just the standard system battery. Get the power you need whenever and wherever you need for your ThinkPad T60 Series notebook.

Features & Benefits: • Original equipment specifications for correct fit and capabilities • Lithium-Ion technology gives this battery a long life and light weight • Spare battery convenience allows you to work unplugged longer • Backed by a Limited Warranty from Lenovo with renowned Service and Support available from IBM. This part is cataloged in the U.S. Government catalog under NSN 6140-01-570-4612, indicating validated use in U.S.

government and defense logistics supply chains.

WHERE IT FITS
IT_GENERAL→ IT_UNCLASSIFIED→ 40Y6799
NSN: 6140-01-570-4612
FSC: 6140 — Batteries, Rechargeable
CAGE: 1KH72 — CDW GOVERNMENT LLC (USA)
SPECIFICATIONS
TypeBattery
Depth59 mm
Width206 mm
Height20 mm
Weight330 g
Product colourBlack
Battery voltage10.8 V
Battery capacity5200 mAh
Battery technologyLithium-Ion (Li-Ion)
Number of battery cells6
Operating temperature (T-T)5 - 35 °C
Operating relative humidity (H-H)8 - 95%
NSN6140-01-570-4612
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR MFR: IBM Lenovo 40Y6799 laptop spare part Battery TITLE COMPONENT PN 40Y6799 MFR IBM Lenovo 40Y6799 laptop
KEY FEATURES
•
VOLTAGE IN VOLTS: 10.8
•
CELL QUANTITY: 6
TYPICAL APPLICATIONS
  • RAID cache protection during power loss events
  • Write-back cache enablement for storage controllers
  • Enterprise server data integrity assurance
  • Hot-swap battery/capacitor replacement in production
TECHNICAL CHARACTERISTICS
OVERALL HEIGHT0.800 INCHES NOMINAL IN
VOLTAGE IN VOLTS10.8
OVERALL WIDTH8.100 INCHES NOMINAL IN
CELL QUANTITY6
SPECIAL FEATURESCXCY: BATTERY,SPARE; BATTERY: CAPACITY: 5200 MAH, RECHARGE TIME: 3.5 HOURS, RUN TIME (UP TO): 5.8 HOURS, TECHNOLOGY: LITHIUM ION; ENVIRONMENTAL PARAMETERS: HUMIDITY RANGE OPERATING: 8-95 PERCENT, MAX OPERATING TEMPERATURE: 95 DEGREE FAHRENHEIT, MIN OPERATING TEMPERATURE: 41 DEGREE FAHRENHEIT; WEIGHT: 11.6 OZ OZ
END ITEM IDENTIFICATION5895-01-546-6466;COMPUTER,DIGITAL DATA TRANSFER
OVERALL DEPTH2.300 INCHES NOMINAL IN
OTHER ITEMS IN FSC 6140 — Batteries, Rechargeable
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
6140-00-000-5725 6140-00-001-1544 6140-00-001-4187 6140-00-001-5391 6140-00-001-5392 6140-00-003-0528 6140-00-003-5310 6140-00-003-7222
SUBSTITUTES & CROSS-REFERENCES 13
10339530Reference document
Same NSN cross-reference
Reference document — Informative reference only
42T4504CompatiblePARTNER
IBM Notebook Battery 6-Cell 56Wh 10.8V 5.2Ah Li-Ion - ThinkPad 41+ - FRU
compatible
42T4566CompatiblePARTNER
IBM Notebook Battery 6-Cell 56Wh 10.8V 5.2Ah Li-Ion - ThinkPad 41+ - FRU
compatible
42T4569CompatiblePARTNER
IBM Notebook Battery 6-Cell 56Wh 10.8V 5.2Ah Li-Ion - ThinkPad 41+ - FRU
compatible
42T4621CompatiblePARTNER
IBM Notebook Battery 6-Cell 56Wh 10.8V 5.2Ah Li-Ion - ThinkPad 41+ - FRU
compatible
42T4622CompatiblePARTNER
IBM Notebook Battery 6-Cell 56Wh 10.8V 5.2Ah Li-Ion - ThinkPad 41+ - FRU
compatible
LIFECYCLE
NSN statusActive· U.S. Government catalog
HAZMAT per U.S. Government catalogShelf-life managedAcquisition advice: Normally procured from the manufacturer (OEM)Demilitarization required — mutilation
THIS PART SUBSTITUTES FOR 15
92P1137SUBSTITUTE
IBM Notebook Battery 6-Cell 56Wh 10.8V 5.2Ah Li-Ion - ThinkPad 41+ - Option
LENOVO
92P1138SUBSTITUTE
IBM Notebook Battery 6-Cell 56Wh 10.8V 5.2Ah Li-Ion - ThinkPad 41+ - Option
LENOVO
92P1139SUBSTITUTE
IBM Notebook Battery 6-Cell 56Wh 10.8V 5.2Ah Li-Ion - ThinkPad 41+ - Option
LENOVO
92P1140SUBSTITUTE
IBM Notebook Battery 6-Cell 56Wh 10.8V 5.2Ah Li-Ion - ThinkPad 41+ - Option
LENOVO
92P1141SUBSTITUTE
IBM Notebook Battery 6-Cell 56Wh 10.8V 5.2Ah Li-Ion - ThinkPad 41+ - Option
LENOVO
92P1142SUBSTITUTE
IBM Notebook Battery 6-Cell 56Wh 10.8V 5.2Ah Li-Ion - ThinkPad 41+ - Option
LENOVO
42T4504SUBSTITUTE
IBM Notebook Battery 6-Cell 56Wh 10.8V 5.2Ah Li-Ion - ThinkPad 41+ - Option
LENOVO
42T4566SUBSTITUTE
IBM Notebook Battery 6-Cell 56Wh 10.8V 5.2Ah Li-Ion - ThinkPad 41+ - Option
LENOVO
42T4569SUBSTITUTE
IBM Notebook Battery 6-Cell 56Wh 10.8V 5.2Ah Li-Ion - ThinkPad 41+ - Option
LENOVO
42T4621SUBSTITUTE
IBM Notebook Battery 6-Cell 56Wh 10.8V 5.2Ah Li-Ion - ThinkPad 41+ - Option
LENOVO
42T4622SUBSTITUTE
IBM Notebook Battery 6-Cell 56Wh 10.8V 5.2Ah Li-Ion - ThinkPad 41+ - Option
LENOVO
42T4623SUBSTITUTE
IBM Notebook Battery 6-Cell 56Wh 10.8V 5.2Ah Li-Ion - ThinkPad 41+ - Option
LENOVO
42T4777SUBSTITUTE
IBM Notebook Battery 6-Cell 56Wh 10.8V 5.2Ah Li-Ion - ThinkPad 41+ - Option
LENOVO
42T5246SUBSTITUTE
IBM Notebook Battery 6-Cell 56Wh 10.8V 5.2Ah Li-Ion - ThinkPad 41+ - Option
LENOVO
45J7967SUBSTITUTE
IBM Notebook Battery 6-Cell 56Wh 10.8V 5.2Ah Li-Ion - ThinkPad 41+ - Option
LENOVO
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FREQUENTLY ASKED QUESTIONS
What is 40Y6799?
40Y6799 is a Lenovo 40Y6799 laptop spare part Battery manufactured by IBM. It is classified as a IT_GENERAL (IT_UNCLASSIFIED).
What parts can replace 40Y6799?
There are 13 known substitutes for 40Y6799: 10339530, 42T4504, 42T4566 and 10 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 40Y6799?
40Y6799 is cataloged in the U.S. Government catalog under NSN 6140-01-570-4612. This indicates validated use in U.S. government and defense supply chains.
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✓ PartsTable — the parts reference. Every fact cited to its source.
PartsTable Design LLC · partstable.com
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
PartsTable commercial catalog: edition Unified commercial catalog snapshot through 2026-09-28, edition date not on file, retrieved 2026-09-28.