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Rectangular black lithium-polymer laptop battery, 8.0 by 1.5 by 0.8 centimetres

Dr. Battery

Dr. Battery 933321-855 laptop battery 25.4Wh

SKU CH-JCTC-5ESQK

A 25.4 Wh lithium-polymer replacement battery for HP EliteBook and ZBook laptops, using OEM-grade cells with built-in safety protection

  • Battery typeLithium Polymer
  • Battery voltage rating11.55 V
  • Battery capacity2,200 mAh
  • Main functionNotebook
  • Measurements8.0 × 1.5 × 0.8
  • Product typeBattery
  • Restores reliable power for HP EliteBook and ZBook laptops
  • 4 Wh lithium-polymer cell delivers dependable runtime
  • OEM-grade cells provide stable performance and long cycle life
  • Built-in protection against over-charge, over-discharge, overheating and short-circuit
  • Replaces multiple HP original part numbers including 933321-855 and HSTNN-LB8G

Compatible HP EliteBook and ZBook models

This Dr. Battery replacement unit fits HP EliteBook 735 G5, 735 G6, 745 G3, 745 G5, 745 G6, 830 G5, 830 G6, 836 G5, 840 G5, 840 G6, 846 G5, 846 G6 and ZBook 14u G5, 14u G6 laptops. It replaces original part numbers including 933321-855, 932823-171 and HSTNN-LB8G. Buyers who need a battery for a different laptop family cannot use this product.

Li-polymer chemistry and built-in protection

The 25.4 Wh lithium-polymer pack uses OEM-grade cells rated at 11.55 V and 2200 mAh. Integrated circuitry guards against over-charging, over-discharging, overheating and short-circuit conditions. Users who require a higher capacity or a different voltage must select another battery.

Slim form factor and direct-fit connectors

The pack measures 8.0 x 1.5 x 0.8 cm and weighs 0.4 kg, matching the original chassis dimensions for a tool-free swap. Proprietary connector layout aligns with the EliteBook and ZBook motherboard sockets. Builders who need a modular or hot-swappable design will not find it here.

How it compares

Measured against everything we stock in Laptop Chargers & Batteries, at today’s prices. Recalculated every night.

Price $38.99
Pricier than about 70% of the 27,790 comparable items (median $30.99).

Specifications

Product
Brand nameHP
Model nameHP EliteBook 735 G5 / EliteBook 745 G5 / EliteBook 830 G5 / EliteBook 840 G5 / ZBook 14u G5
Part numberDR-PRO-LHP355L-A
Product typeBattery
Power
Battery typeLithium Polymer
Battery voltage rating11.55 V
Battery capacity2,200 mAh
Size & build
Measurements8.0 × 1.5 × 0.8
Compatibility
Compatible withHP EliteBook 735 G5 / EliteBook 735 G6
HP EliteBook 745 G3 / EliteBook 745 G5 / EliteBook 745 G6
HP EliteBook 830 G5 / EliteBook 830 G6
HP EliteBook 836 G5
HP EliteBook 840 G5 / EliteBook 840 G6
HP EliteBook 846 G5 / EliteBook 846 G6
HP ZBook 14u G5 / ZBook 14u G6
More details
Main functionNotebook

Questions about this item

How many charge cycles will the Li-polymer cells last before capacity drops?

OEM-grade Li-polymer cells are engineered for long cycle life and stable performance across daily charge cycles.

What limits runtime first during a full workday on the 25.4Wh pack?

The 2200 mAh capacity at 11.55V sets the total energy available, so runtime ends when that 25.4Wh is depleted.

Does the 11.55V battery run hot or draw more power under continuous load?

Built-in protection guards against overheating, over-charging, over-discharging and short-circuit conditions during extended use.

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