Laptop Battery For HP COMPAQ NC4200 NC4400 TC4200 TC4400 HSTNN-IB27, HSTNN-UB12, HSTNN-IB12, HSTNN-C02C

• Replacement batteries need breaking in: fully charge the notebook battery, discharge it down to 20% remaining and then fully charge it again, repeat 3-4 times to break-in the notebook battery and get it to charge to its maximum

·         Do not impact, drop, crush, pierce, throw or hit your laptop battery pack, as it can damage the battery cell inside.

·         Lithium Ions can be ruined if the voltage drops below a certain level, avoid letting your notebook battery drain completely and repeatedly.

·         Do not store your laptop away for extended periods with the battery attached. Please remove the replacement battery pack from the notebook before storing it away.

·         Fully charge/discharge battery up to 4 cycles before achieving full capacity of a new battery

Fully charge and discharge the replacement laptop battery every two to three weeks for battery conditions