Lithium batteries are restricted for air travel and may require a dangerous goods certificate with additional carrier fees. Ground shipping adds transit time — plan accordingly. Always check the date code, batteries degrade over time. Buy in bulk when possible, these are consumables. Key checks: Buy in bulk — consumables.
RESTRICTED for air — DG certificate required
PRODUCT OVERVIEW
The 2-Power range of products are 100% compatible and are guaranteed to match or exceed the original specifications (often outlasting original batteries by 30% to 50%!). Along each step of the process, from product to packaging, sales support to warranty, 2-Power provides a complete retail solution. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 6140-01-612-8486, indicating validated use in U.S.
government and defense logistics supply chains. Available through authorized enterprise resellers and TPM (Third Party Maintenance) channels. Verify compatibility with your specific system configuration before ordering.
WHERE IT FITS
BATTERY→LITHIUM→57Y4186
NSN:6140-01-612-8486 FSC:6140 CAGE:44HN4 — LENOVO (UNITED STATES) INC. (USA)
SPECIFICATIONS
Type
Battery
Depth
56 mm
Width
208 mm
Height
20 mm
Weight
500 g
Certification
CE MARK, UL/cUL, ACA/C-Tick, PSE, KC
Product colour
Black
Battery technology
Lithium-Ion (Li-Ion)
Brand compatibility
Lenovo
Compatible products
ThinkPad L412, L512, T410, T510, W510
Number of battery cells
9
Harmonized System (HS) code
84732990
NSN
6140-01-612-8486
COMPONENT DIAGRAM
KEY FEATURES
•
TEMP RATING: 35.0 CELSIUS DEGC
•
BATTERY ELECTROLYTE: LITHIUM
•
CELL QUANTITY: 9
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 (FLIS)
OVERALL HEIGHT
21.0 MILLIMETERS NOMINAL MM
END ITEM IDENTIFICATION
T410/420, T510/520, W510/520, AND L-SERIES THINKPADS
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FREQUENTLY ASKED QUESTIONS
What is 57Y4186?
57Y4186 is a ThinkPad Battery 55++ (9 Cell) manufactured by Lenovo. It is classified as a BATTERY (LITHIUM).
What parts can replace 57Y4186?
There are 12 known substitutes for 57Y4186: 42T4798, 42T4799, 42T4800 and 9 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 57Y4186?
57Y4186 is cataloged in the Federal Logistics Information System (FLIS) under NSN 6140-01-612-8486. This indicates validated use in U.S. government and defense supply chains.
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