The replacement battery features a smart control chip that ensures stable power delivery and system protection during charge/discharge cycles.
With a 52 Wh capacity matching the original, it provides 8–10 hours of usage depending on workload.
Thoroughly tested, Grade A+ quality with no dead cells, compliant with OEM standards, and up to 500 charge cycles expected.
Slim and lightweight design, easy to install following the XPS 7390 guide—remove 8 bottom screws, swap battery, replace cover.
Built-in protections include short-circuit, over-current, over-temperature, and anti-swelling, ensuring device longevity.