Why You Need a Reliable 53Wh Battery for Your HP EliteBook, ProBook, or ZBook
Your HP EliteBook 830/835/840/845 G7/G8, ProBook 635 Aero, or ZBook Firefly is a premium business laptop designed for productivity on the go. But even the best batteries degrade after a couple of years shorter runtime, sudden shutdowns, or swelling. Worse, many
replacement batteries are fakes: they advertise 53Wh but actually contain 45Wh cells. Your laptop runs for less time, and youve been cheated.
This CC03XL battery is different. We deliver a true 53Wh capacity using brand new Grade A Liion cells. What you see is what you get.
Designed for HP Business & Workstation Laptops
This battery is a direct fit for the following models (Ctrl+F to search):
Series Compatible Models
EliteBook 830 G7, 830 G8, 835 G7, 835 G8, 840 G7, 840 G8, 845 G7
ProBook 635 Aero G7, 635 Aero G8
ZBook Firefly 14 G7, 14 G8, 15 G7
Replaces OEM part numbers (partial list):
Common P/N
CC03XL / CC03053XL-PL
L77608-421 / L78555-005
L77608-271 / L77608-1C1 / L77608-2C1
HSTNN-LB8Q / HSTNN-DB9Q / HSTNN-IB9F
Specifications
You Can Trust
Specification Detail
Model CC03XL
Chemistry Liion
Voltage 11.55V ( 11.4V interchangeable)
Capacity 53Wh (true capacity)
Color Black
Warranty 1 year
Packaging Well packed in exquisite box
Condition Brand new Grade A cells
What a Cheap or Fake Battery Costs You
Short runtime Laptop dies halfway through a workday or flight.
Fake capacity Label says 53Wh, but actual is 45Wh or less.
Swelling Dangerous bulging that can crack the palm rest or bottom case.
Performance throttling CPU slows down to prevent random shutdowns.
What Our Battery Delivers
Feature Cheap Generic Our Premium Battery
True Capacity 45Wh or less (fake label) 53Wh (tested)
Cells Recycled or lowgrade Brand new Grade A
Runtime (light use) 56 hours 810+ hours
Swelling Risk High within months Low, proper BMS
Warranty None or 30 days 30day return + 1 year
Who Is This Battery For?
Business professionals who need allday power for remote work.
IT departments managing fleets of HP EliteBook laptops.
Anyone whose original battery is swollen or no longer holds a charge.
Safety & Reliability
Every battery includes builtin protection against overcurrent, overvoltage, overheating, and short circuits. Grade A Liion cells ensure consistent power delivery. We test each unit before shipping.
Installation Note
Replacing the battery in these HP business laptops requires removing the bottom cover (Torx screws). The battery is connected via a cable. Professional installation is recommended if youre not experienced. Tools not included.
Whats Included
1 x CC03XL Replacement Battery (53Wh) well packed in exquisite box
Before You Order
Please doublecheck your original battery part number (CC03XL, L77608-421, etc. ) and your laptop model from the compatibility list. This battery will not fit older EliteBook G5/G6 models, consumer Envy/Pavilion laptops, or other brands. Also note that 11.4V and 11.55V are interchangeable both will work. When in doubt, contact us with a photo of your original battery.