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Rectangular lithium polymer laptop battery with four cells and 48Wh capacity

Lenovo

Lenovo 851610855TM 4-cell 48Wh laptop battery

SKU CH-FREP-MZH7M MPN 851610855TM

4-cell 48Wh lithium-polymer battery powers HP ProBook 430, 440, 450, 455 and 470 G4 notebooks

  • Battery TypeLithium-Ion
  • 4-cell design keeps the notebook light
  • 48 Wh capacity supports long work sessions
  • 4 V output matches original spec
  • Li-Polymer chemistry enables reliable recharging
  • Fits HP ProBook 430 440 450 455 470 G4

Lenovo 4-cell 48Wh replacement battery

This Lenovo 851610855TM battery is a 4-cell lithium-polymer unit rated at 48Wh and 11.4 V DC. It serves as a direct replacement for the HP RR03XL original equipment part. Compatible models include the HP ProBook 430 G4, 440 G4, 450 G4, 455 G4 and 470 G4 notebooks. Buyers needing a higher-capacity pack or a different form factor cannot use this unit.

Installation requires opening the notebook chassis

Installation involves removing the bottom case screws, disconnecting the old pack and fitting the new battery into the proprietary bay. The connector is keyed, so it only seats one way. Common issues are forgetting to unplug the internal cable before lifting the board or stripping the small case screws. No soldering or firmware update is required.

Proprietary size limits cross-model use

The pack uses a proprietary physical size and a model-specific connector, so it fits only the listed ProBook G4 series. It will not work in earlier G3 models, later G5 units or any non-HP chassis. Capacity is fixed at 4000 mAh; runtime scales with the notebook's power draw and cannot be extended by the battery itself.

Highlights

  • 4-cell design keeps the notebook light
  • 48 Wh capacity supports long work sessions
  • 4 V output matches original spec
  • Li-Polymer chemistry enables reliable recharging
  • Fits HP ProBook 430 440 450 455 470 G4

Specifications

Battery TypeLithium-Ion
Shipping weight0.45 kg
Package size226 × 143 × 55 mm

Questions about this item

How can I confirm the 4-cell 48Wh battery is working after installation?

The system should recognise the 4000 mAh 11.4 V pack, show it charging, and run the notebook on battery power without shutting down unexpectedly.

What comes in the box and what must I buy separately?

Only the replacement 4-cell 48Wh battery is supplied; no tools, screws or AC adapter are included.

Which HP ProBook models does the 851610855TM battery fit?

It replaces OEM part RR03XL and is compatible with ProBook 430 G4, 440 G4, 450 G4, 455 G4 and 470 G4.

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