BFKK 52wh 7.6V 52Wh 4-cell laptop battery

Replacement Battery for Select Dell Laptops

This 7.6V 52Wh 4-cell lithium-ion battery replaces the original DXGH8 pack in Dell XPS 13 9370 and 9380 models from 2019 as well as Inspiron 13 7390 7391 5390 5391 7490 Latitude 3301 E3301 and Vostro 5390 5391 series. It is a brand-new unit supplied with two screwdrivers and an instruction sheet. Buyers needing a battery for XPS 7390 2-in-1 or standard Inspiron 7390 7391 models cannot use this pack.

Thermals Noise and Power Draw

The battery operates at its rated 7.6 volts and delivers 52 watt-hours of energy through four cells meeting CE FCC ROHS UL certification. In normal mobile use it runs silently with no moving parts and generates only the warmth typical of a modern laptop battery. Power draw follows the host system's demand and the pack supports up to 1000 recharge cycles.

Sustained Load Behaviour

Under continuous workloads the cell chemistry maintains a steady voltage curve without the sharp drops seen in aged packs. The 52Wh capacity is designed to sustain typical productivity tasks for the duration expected from a fresh 4-cell design. Cycle-life rating of 1000 charges indicates long-term capacity retention when the laptop is regularly drained and recharged.