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Rectangular black lithium-polymer laptop battery with label showing voltage and capacity

TAURKENAM

TAURKENAM RE03XL 45Wh 3750mAh 11.55V Li-Polymer laptop battery

SKU CH-RG2D-D0THZ

A 45Wh 11.55V lithium-polymer replacement battery compatible with numerous HP ProBook and ZHAN 66 series laptops

  • Battery TypeLithium-Ion
  • 45Wh capacity powers compatible HP ProBook models through a full workday
  • 55V Li-Polymer chemistry delivers stable current with low self-discharge
  • Replaces RE03XL, HSTNN-OB1C and L32656-005 part numbers for direct fit
  • CE, FCC and RoHS certified with circuit protection for safe operation
  • Tested for about 500 recharge cycles over the battery life

Replacement battery for HP ProBook

This 45Wh lithium-polymer pack replaces part numbers RE03XL, HSTNN-OB1C, L32407-2C1, L32656-002 and L32656-005. It fits HP ProBook 430, 440, 445, 450 and 455 G6 and G7 series plus ZHAN 66 Pro 13, 14 and 15 G2 and G3 notebooks. The cell chemistry is lithium-ion in a polymer housing rated at 11.55V and 3750mAh. Buyers with other HP chassis or non-listed part numbers cannot use this unit.

Thermals noise and power draw in daily use

The smart chip manages stable current and low self-discharge during normal office workloads. CE, FCC and RoHS certifications confirm the protection circuits meet recognised safety baselines. No active cooling is present so the pack runs silently inside the laptop chassis. Power delivery follows the 11.55V specification without voltage sag under typical browser and document loads.

Sustained load behaviour over the service life

Rigorous testing targets about 500 recharge cycles while maintaining correct voltage and circuit protection. Capacity will gradually decline as the chemistry ages through repeated deep discharges. The protection logic prevents over-charge and over-discharge events that could accelerate wear. Users needing more than 45Wh for extended off-grid sessions should consider a higher-capacity alternative.

Highlights

  • 45Wh capacity powers compatible HP ProBook models through a full workday
  • 55V Li-Polymer chemistry delivers stable current with low self-discharge
  • Replaces RE03XL, HSTNN-OB1C and L32656-005 part numbers for direct fit
  • CE, FCC and RoHS certified with circuit protection for safe operation
  • Tested for about 500 recharge cycles over the battery life

Specifications

Battery TypeLithium-Ion

Questions about this item

How do I install the RE03XL battery in my HP ProBook 440 G7 without damaging the connector?

Power off the laptop, remove the bottom case screws, disconnect the old battery cable before lifting it out, then attach the new 11.55 V pack and reassemble.

When will the 45 Wh Li-Polymer cell need replacement based on its rated cycle life?

The pack is rated for about 500 full recharge cycles; after that capacity drops noticeably and a new battery is required.

What runtime limit appears first during a continuous heavy workload on this 3750 mAh battery?

The 45 Wh capacity depletes quickly under sustained high drain, so runtime ends before thermal limits are reached.

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