HP CI03XL Laptop Battery for ProBook 640 G2 / 645 G2 / 650 G2 / 655 G2, ProBook 645 G3

Replaces these HP battery part numbers:

801517-421, 801517-541, 801517-831, 801554-001

CI03, CI03048XL, CI03XL, CIO3, CIO3XL

HSTNN-I66C-4, HSTNN-I66C-5H, HSTNN-I66C-5U

HSTNN-I67C-4, HSTNN-I67C-5, HSTNN-PB6K

HSTNN-UB6Q, T7B31AA

For Optimal Use battery:

• Please install the battery correctly and ensure that the battery interface and the motherboard are firmly connected. Use Skills - If the new battery is not recognized during the initial installation, please reinstall and check if the interface is fully connected.
• If you install the battery and the laptop cannot detect the battery or the battery level cannot be displayed normally, check whether the battery cable was installed properly.
• Discharge the new battery to 5% (not 0%), then charge and cycle 3-4 times to get the new battery a full capacity.
• The important point is to perform a full discharge charge every other month to extend battery life.
• Don't connect adapter for a long time while using the battery. It may damage the battery.
• Avoid artificial shocks, disassembly, crush or puncture. Do not dispose of in fire or water.
• Avoid using the battery in an environment where the temperature is too high or too low.
• Please use the original charger to charge the laptop. 
• Connector - Before placing your order, Please refer to the picture and check it. Because the products produced by different factories will have differences, such as size, cable length, interface, etc.