Suitable for IBM T20/T21/T22/T23
Standard voltage: 10.8V
Capacity: 4000mAh
Ultimate voltage: 12.6V
Execution standard: GB/T18287-2000
Charge by appointed charger
Store in a place between 0-40℃
Standby time: 60-230 hours
This product is adapted high quality Li-ion /nickel hydrogen battery core, high capacity, low internal resistance and long life.
Multi-function protection functions in it, avoid over discharge, over charging, and short circuit protection ensures the battery with safer and more ascendant performance.
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