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Reliable replacement battery MITSU for Dell Latitude E5420 and E6420 laptops offers a capacity of 4400 mAh (49 Wh) and voltage of 10.8–11.1 V. It uses high‑quality Grade A Li‑ion cells, delivers stable performance, long runtime, and is protected by advanced security circuits against overvoltage, overheating, and short circuit.

High‑performance Grade A cells for longer runtime

Proven Grade A Li‑ion cells ensure a real 4400 mAh capacity, stable performance, and a slower capacity decline over time.

Advanced multi‑level protection

Protections against overvoltage, overheating, short circuit, overload, deep discharge, and overcharge ensure safe operation of both the battery and the laptop.

Verified compatibility with Dell Latitude

Designed for trouble‑free use in Dell Latitude E5420 and E6420 models – easy installation and reliable operation.

This MITSU battery is designed as a precise and efficient replacement for the original battery in Dell Latitude E5420 and E6420. Thanks to proven Grade A cells, it achieves the genuinely stated capacity of 4400 mAh (49 Wh) and ensures longer service life with a slower decline of nominal capacity.

Integrated protections against overvoltage, overheating, short circuit, overload, deep discharge, and overcharge ensure safe operation of both the laptop and the battery. The product meets CE, RoHS, and ISO 9001 standards, is not affected by memory effect, and offers efficient, environmentally responsible operation.

Compatibility: Dell Latitude E5420, E6420
Real capacity: 4400 mAh (49 Wh) with Grade A cells
Safety: multi‑level protections and certifications
Ecology: responsible recycling and support for sustainability

Specifications

Compatible devices: Dell Latitude E5420, Dell Latitude E6420
Battery type: Li‑ion (lithium‑ion)
Capacity: 4400 mAh
Energy: 49 Wh
Voltage: 10.8–11.1 V
Safety protections: Overvoltage, overheating, short circuit, overload, deep discharge, overcharge
Certifications: CE, RoHS, ISO 9001
Memory effect: No memory effect
Brand: MITSU