... 1. Condition: 100% New OriginalWarranty: 12 monthsThe normal time for use: 2.5-5 hours Availability: Massive Stocks 2. ... , nc6120, nc6140, NC6220, nc6230, nc6320, nc6400 4. Compatible for below models: 381373-001, 383510-001, HSTNNIB12, HSTNN-OB06 PB991A 5. Delivery ... life:Try to avoid frequent full discharging of the battery. For battery meter calibration, periodically do a full battery discharge, ...