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Rectangular black laptop battery with three cells and a connector strip

NShi

NShi L78555-005 11.55V 53WHR 3 Cell laptop battery

SKU CH-EKQA-ZQJ59

Replaces multiple HP EliteBook, ProBook and ZBook Firefly batteries with a 3‑cell 11.55 V 53 Whr lithium‑ion pack

  • TypeBattery
  • CompatibilityL78555-005, CC03053XL-PL, CC03XL, L77608-2C1, Elitebook 830
  • Battery Type3 Cell Lithium-Ion
  • Battery Voltage11.55V
  • Battery Capacity4589MAH
  • Ready-to-install 3-cell lithium-ion pack at 11.55V
  • 53 Wh capacity delivers extended runtime for mobile work
  • Tested for stable current, circuit protection and low self-discharge
  • CE, FCC and RoHS certified for safe operation
  • Direct replacement for OEM part numbers including L78555-005 and CC03XL

GreenTech 11.55V 53WHR replacement battery

This GreenTech replacement battery supplies 11.55V and 53WHR capacity for HP EliteBook 830, 835 and 840 models in the G7 and G8 generations. It also fits ProBook 635 Aero G7 and G8, ZBook Firefly 14 G7 and G8 and ZBook Firefly 15 G7. The three-cell lithium-ion pack replaces a long list of OEM part numbers including L78555-005, CC03XL and HSTNN-LB8Q.

Battery swap on supported HP notebooks

Installation is a standard battery swap on the listed EliteBook, ProBook and ZBook models; remove the bottom case screws, disconnect the old pack and connect the new one. Common issues are forgetting to detach the internal connector before lifting the battery or misaligning the replacement so the latch does not engage fully. The pack is CE, FCC and RoHS certified and tested for correct voltage, circuit protection and low self-discharge.

Verify part number before ordering

Check the part number printed on your original battery against the supported list such as L78555-005, L77608-421, L77608-2C1, CC03053XL-PL or HSTNN-LB8Q. Confirm the laptop model matches EliteBook 830, 835, 840, 845 G7 or G8, ProBook 635 Aero G7 or G8, ZBook Firefly 14 G7 or G8 or ZBook Firefly 15 G7. This battery is not for buyers who need a different voltage, capacity or form factor than the 11.55V 53WHR three-cell design.

Highlights

  • Ready-to-install 3-cell lithium-ion pack at 11.55V
  • 53 Wh capacity delivers extended runtime for mobile work
  • Tested for stable current, circuit protection and low self-discharge
  • CE, FCC and RoHS certified for safe operation
  • Direct replacement for OEM part numbers including L78555-005 and CC03XL

Specifications

BrandGreenTech
ModelL78555-005, CC03053XL-PL, CC03XL, L77608-2C1
TypeBattery
CompatibilityL78555-005, CC03053XL-PL, CC03XL, L77608-2C1, Elitebook 830 835 840 G7 G8
Battery Type3 Cell Lithium-Ion
Battery Voltage11.55V
Battery Capacity4589MAH

Questions about this item

How can I confirm the 11.55V 53WHR battery is working correctly after installing it in my EliteBook 840 G8?

After fitting the battery, power on the laptop and open the HP Support Assistant or BIOS diagnostics; both will report the design capacity of 4589mAh and show the cell count as 3, confirming the replacement matches the original specification.

What comes in the box with the L78555-005 replacement battery and do I need any extra parts for my ProBook 635 Aero G7?

The package contains only the 3-cell lithium-ion battery itself; no screws, tools or cables are included, and the original hardware from your ProBook 635 Aero G7 is reused during installation.

Which of the listed part numbers — L78555-005, CC03053XL-PL or CC03XL — should I order for a ZBook Firefly 14 G7?

All three numbers refer to the same 11.55V 53WHR 3-cell unit; any one of them will fit the ZBook Firefly 14 G7 because they share the identical voltage, capacity and physical layout.

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