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Rectangular black lithium polymer laptop battery with connector on one end

NShi

NShi PG03XL 52.5Wh 11.55V 3-Cell laptop battery

SKU CH-X9Y0-DTXF1 MPN PG03XL

52.5 Wh lithium-ion replacement battery for HP Pavilion Gaming 15-DK, 15-EC and 16-A series laptops

  • Battery TypeLithium Polymer
  • 5 Wh capacity supports longer gaming sessions
  • 55 V lithium-ion chemistry delivers stable power output
  • Three-cell design keeps weight low for portable use
  • Certified by CE, UL, FCC and RoHS for safety assurance
  • Replaces PG03XL, HSTNN-OB1I, HSTNN-DB9G and L48495-005 part numbers

What this battery replaces

The NShi PG03XL is a new 52.5Wh lithium-ion pack built to replace original HP part numbers PG03XL, HSTNN-OB1I, HSTNN-DB9G, L48495-005, L48430-AC1 and L48430-AC2. It fits a long list of HP Pavilion Gaming 15-DK, 15-EC, 16-A and related CTO models. Buyers whose laptop uses the other PG03XL physical design cannot use this unit.

Thermals, noise and power draw

The 3-cell polymer cell operates at 11.55V and 4323mAh with no moving parts, so it adds no audible noise and negligible thermal load during normal charging and discharge. Built-in circuit protection guards against over-charge, over-discharge and short-circuit conditions. The pack carries CE, UL, FCC and RoHS safety certifications.

Behaviour under sustained load

Under continuous discharge the pack delivers its rated 52.5Wh capacity until the laptop’s firmware initiates shutdown, maintaining stable voltage throughout the cycle. It is not suited for users who need a higher-capacity pack for extended unplugged sessions or for machines that require the alternate PG03XL form factor.

Highlights

  • 5 Wh capacity supports longer gaming sessions
  • 55 V lithium-ion chemistry delivers stable power output
  • Three-cell design keeps weight low for portable use
  • Certified by CE, UL, FCC and RoHS for safety assurance
  • Replaces PG03XL, HSTNN-OB1I, HSTNN-DB9G and L48495-005 part numbers

Specifications

Battery TypeLithium Polymer

Questions about this item

How do I install the PG03XL battery and which step do people often miss?

Power off the laptop, disconnect the AC adapter, remove the base screws, detach the old battery connector before lifting the pack, then connect the new PG03XL connector firmly and refit all screws.

What maintenance or replacement will the PG03XL need later?

The sealed 3-cell lithium-ion pack requires no routine upkeep; once capacity falls below useful levels after many charge cycles the entire unit must be replaced.

What limit appears first on the PG03XL during sustained heavy use?

The 52.5 Wh capacity sets the runtime ceiling, so extended gaming or high-load sessions will hit the charge limit before any thermal or voltage threshold.

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