Dell RJ40G Replacement Battery for Dell Latitude 5420 / 5520 Series | Jovatech
Buy Dell RJ40G Replacement Battery for Dell Latitude 5420 / 5520 Series, compatible with Dell Latitude 5420, Latitude 5520, Precision 3560, available at Jovatech Technologies Nairobi.
Dell RJ40G Replacement Battery for Dell Latitude 5420 / 5520 Series
Available variants: 3-cell 42Wh or 4-cell 63Wh versions
Voltage: 11.4V or 15.2V compatible depending on model
Capacity: 42Wh (approx. 3500mAh) or 63Wh (approx. 3900mAh)
Built-in protection against overcharge, overheating, and short circuit
Stable power output for business-class laptops
Designed for internal installation in Dell Latitude and Precision laptops
Dell RJ40G battery is a replacement laptop battery designed for Dell Latitude 5420, Dell Latitude 5520 and Dell Precision 3560 series laptops that use the RJ40G battery platform. It is built to restore original battery performance for modern business laptops experiencing fast battery drain, charging issues or reduced backup time. This battery typically comes in two configurations including a 3-cell 42Wh version operating at 11.4V and a higher capacity 4-cell 63Wh version operating at 15.2V, both commonly used in this model range. It supports multiple part numbers such as RJ40G, WY9DX, 0WK3F1, 075X16, 01K2CF and 0M3KCN depending on configuration. Compatible models include Dell Latitude 5420, Latitude 5520 and Precision 3560 series laptops. It delivers stable voltage output, reliable performance and long cycle life for professional use such as office work, programming and multitasking. Always confirm your original battery voltage and part number before purchase to ensure full compatibility.
