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Rectangular black lithium-ion battery pack, 3800mAh 3.85V

KingSener

KingSener G025E-B laptop battery 3800mAh 3.85V

SKU CH-M9YK-AAEG3 MPN G025E-B

Replacement lithium-ion battery for Google Pixel 4A 5G delivering 3800 mAh at 3.85 V

  • Battery Voltage3.85V
  • Battery Capacity3800mAh
  • 3800 mAh capacity extends usage between charges
  • 85 V lithium-ion chemistry delivers stable power output
  • Brand-new replacement fits Google Pixel 4A 5G without modification
  • High-quality cells and PCB prevent false capacity ratings
  • Condition cycle three times to reach full performance

Replacement Battery for Pixel 4A 5G

The KingSener G025E-B is a brand-new lithium-ion replacement battery built for the Google Pixel 4A 5G. It restores original runtime for owners whose factory cell no longer holds a charge. The 3800 mAh capacity at 3.85 V matches the OEM specification, so the phone recognises it without calibration issues. Installers will find the physical dimensions identical to the original pack.

Thermal Behaviour and Power Draw

Lithium-ion chemistry keeps self-discharge low during standby, and the integrated PCB regulates current to protect both the cell and the handset. Normal charging cycles generate only modest warmth, comparable to the original battery. The supplier advises avoiding prolonged connection to the charger once full, as continuous trickle current can degrade long-term capacity. Storage in hot or humid environments should also be avoided.

Upgrade Context and Limitations

This unit replaces a worn or swollen factory battery in the Pixel 4A 5G; the jump is worthwhile when screen-on time has dropped below usable levels. It is not suited for users who need a higher-capacity cell than the original 3800 mAh design, nor for any other phone model. The pack ships at roughly 25 % charge and should be cycled fully two or three times to reach rated performance.

Highlights

  • 3800 mAh capacity extends usage between charges
  • 85 V lithium-ion chemistry delivers stable power output
  • Brand-new replacement fits Google Pixel 4A 5G without modification
  • High-quality cells and PCB prevent false capacity ratings
  • Condition cycle three times to reach full performance

Specifications

BrandKingSener
ModelG025E-B
Part NumberG025E-B
Battery Voltage3.85V
Battery Capacity3800mAh

Questions about this item

How do I install the KingSener G025E-B battery in my Pixel 4A 5G, and what step do people often miss?

Power off the phone, remove the back cover, disconnect the old battery connector, fit the new G025E-B, reconnect the cable securely, then reseal the cover. The step most people skip is doing two or three full charge and discharge cycles at low current before regular use.

What maintenance will the KingSener G025E-B need later to keep its 3800mAh capacity?

If the phone is stored without the battery, charge it above 80 percent at least once a month. Avoid leaving the charger connected continuously while using the phone, and keep the battery away from hot or humid environments.

What limit appears first on the KingSener G025E-B during sustained heavy use?

The 3.85V Li-ion cells will hit thermal and voltage sag limits before the 3800mAh capacity is exhausted, causing the phone to throttle performance or shut down to protect the battery.

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