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Rectangular black lithium-ion laptop battery with label showing OA04 14.8V 2200mAh 4-cell

FOCUSTEC

FOCUSTEC OA04 14.8V 2200mAh 4-cell laptop battery

SKU CH-AGC0-QR43E

A 14.8 V, 2200 mAh lithium-ion replacement battery for compatible HP 15, 240 and 250 series laptops

  • Battery TypeLithium-Ion
  • Direct replacement for HP OA04 and OA03 part numbers
  • 8 V 2200 mAh lithium-ion pack delivers 38 Wh capacity
  • Four-cell design fits HP 240 G2, 250 G3 and 255 G3 models
  • Certified to CE, FCC and RoHS safety standards
  • Compatible with HP 15-d, 15-g and 15-r series laptops

FOCUSTEC OA04 14.8V 2200mAh 4-cell battery

This new lithium-ion replacement battery delivers 14.8V and 2200mAh capacity across four cells for a total of 38 Wh. It is built to replace original HP part numbers 740715-001, 746641-001 and 746458-421 and fits a wide range of HP 15, 240 and 250 series notebooks.

Drop-in fit for listed HP models

The pack matches the OA04 and OA03 form factor so it slots into the existing battery bay without adapters or cable changes. It restores mobile operation for supported 15-g, 15-d, 15-r, 240 G2, 240 G3, 250 G2, 250 G3 and 255 G3 chassis, freeing the user from permanent mains connection.

Suits owners of compatible HP laptops needing

Buyers whose original battery carries the OA04, OA03, HSTNN-LB5Y, HSTNN-LB5S or HSTNN-PB5Y label will find a direct match. Those with different part numbers, higher capacity requirements or non-HP hardware should look elsewhere.

Highlights

  • Direct replacement for HP OA04 and OA03 part numbers
  • 8 V 2200 mAh lithium-ion pack delivers 38 Wh capacity
  • Four-cell design fits HP 240 G2, 250 G3 and 255 G3 models
  • Certified to CE, FCC and RoHS safety standards
  • Compatible with HP 15-d, 15-g and 15-r series laptops

Specifications

Battery TypeLithium-Ion

Questions about this item

How long will the 2200 mAh capacity last before the 14.8 V output drops under continuous load?

The 38 Wh lithium-ion pack delivers 2200 mAh at 14.8 V; actual runtime depends on the laptop power draw and workload.

Does the 4-cell lithium-ion design run hot or draw extra power during all-day use?

The 38 Wh 4-cell pack meets CE FCC RoHS limits; heat and power draw match the original HP OA04 specification.

Which HP part numbers must already be on my old battery for this OA04 replacement to fit?

Match OA04 or OA03 on the white sticker, or HP spare 746641-001 and 740715-001, and confirm the laptop model is listed.

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