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 LENOVO 42T4911 is a Battery-Backed Write Cache pack, designed for enterprise RAID controllers in enterprise servers. It provides backup power to the BBWC module during unexpected power loss, ensuring cached write data is safely committed to flash memory. This is a high-volume replacement part in TPM market as enterprise servers remain widely deployed.
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FREQUENTLY ASKED QUESTIONS
What is 42T4911?
42T4911 is a Lenovo ThinkPad Battery 70+ (6 cell) manufactured by LENOVO. It is classified as a BATTERY (LITHIUM).
What parts can replace 42T4911?
There are 12 known substitutes for 42T4911: 42T4790, 42T4791, 42T4792 and 9 more. Substitute compatibility should be verified for your specific system.
Is 42T4911 still available?
42T4911 is currently Unknown.
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