This is a generic, equivalent one, 100% compatible. This 11.55V 53Wh Replacement battery is designed to compatible with HP L77608-271 L77608-421 L77608-1C1 L78555-005.

Specifications:
* Product Type: generic/equivalent
* Battery Voltage: 11.55V
* Battery Capacity: 53Wh/3 Cell
* Chemistry: Li-ion
* Recharge Cycles：500
* Operation Time: Around 1.5-3 hours
* Certification: CE FCC RoHS
* Condition: new, 1 Year Warranty!
* No memory effect, Over-charge protection, Over-discharge protection.
* Over-heat protection, Over-current protection, Short-circuit protection.

Compatible Part Numbers:
CC03XL, HSTNN-DB9Q, HSTNN-IB9F, HSTNN-LB8Q, L77608-271, L77608-421, L77608-1C1, L77608-2C1, L78555-005

Compatible with the following HP Laptop models:
For HP ZBook Firefly 14 G7/G8 Series,
For HP Probook 635 Aero G7/G8 Series,
For HP EliteBook 830 G7/G8 Series,
For HP EliteBook 835 G7/G8 Series,
For HP EliteBook 840 G7/G8 Series,
For HP EliteBook 845 G7/G8 Series

Note:
To ensure that the battery is suitable for your laptop,please open your laptop case, check and confirm your original battery model and appearance, compared with our battery image, make sure that's what you need. Especially the location of the connector and the cable length (long or short)

Package Included:
1 x 11.55V 53Wh Replacement Laptop Battery for HP L77608-271 L77608-421 L77608-1C1 L78555-005