Mobik 7WNW1 51Wh Laptop Battery for Dell Latitude Rugged

Mobik 7WNW1 is a 51Wh (11.4V) 6-cell lithium-ion replacement battery engineered to restore reliable power to compatible Dell Latitude rugged laptops.

Designed as a direct fit for a range of Dell Latitude Rugged models and matching OEM part numbers, this Mobik battery provides graded A cells, built-in protections, and regulatory certifications. It is intended to be a one-to-one swap for machines that use the 7WNW1/07WNW1, GK3D3, DMF8C and related part numbers, delivering up to 500 charge cycles under normal use.

Which Dell models and part numbers does this battery replace?

This Mobik battery is compatible with multiple Latitude Rugged series and several legacy part numbers, making it simple to find a match for your device. Confirm the battery model printed on your original pack or your laptop's service tag before purchase to ensure compatibility.

• Compatible models: Dell Latitude 5424 Rugged Extreme, 5420 Rugged Extreme, 7424 Rugged Extreme series.
• Common replacement part numbers: 7WNW1, 07WNW1, GK3D3, DMF8C, DMF0C, 6NNCF, DP3KF, 451-BCHV.
• Form factor: 6-cell Li-ion pack, direct-fit shape for listed rugged Latitude models.

How much runtime and capacity can I expect from this replacement battery?

Rated at 51Wh (4342mAh) and 11.4V, this pack provides the same nominal energy as many OEM 6-cell batteries used in rugged Latitude PCs. Actual run time varies with workload, display brightness, wireless activity, and device configuration.

• Nominal capacity: 51Wh / 4342mAh at 11.4V.
• Typical lifecycle: uses grade A cells, up to roughly 500 full recharge cycles under normal conditions.
• Performance tip: power-hungry tasks and high screen brightness reduce runtime.

What safety and quality protections does the Mobik battery include?

Mobik batteries are produced under quality controls and shipped with multiple safety certifications to reduce risk during daily use. The pack integrates circuit protections to guard against common electrical faults when installed correctly.

• Certifications: UL, CE, FCC, RoHS compliance for electrical and material safety.
• Built-in protections: safeguards against short circuit, overheating, and overload.
• Quality control: uses grade A Li-ion cells and factory testing for reliability.

How do I install and optimize a new Mobik battery in my Dell laptop?

Installation is a straightforward process for most Latitude Rugged models, but follow safe handling and power-off procedures. If your system does not immediately recognize the new battery, a simple reset and a few discharge/charge cycles usually resolve initialization behavior.

• Before installing: power off the laptop and disconnect external power.
• If not recognized: reseat the battery, ensure connector fully engages, then reboot.
• Wake-up cycle: discharge to about 5%, then recharge and repeat 3–4 times for optimal calibration.

Who is this for: technicians, field workers, and organizations that rely on Dell Latitude Rugged laptops and need a dependable replacement battery without buying OEM direct. It's a good option for IT departments maintaining mixed fleets, repair shops replacing worn packs, and users who require certified safety features and predictable lifecycle performance. For best results, match the Mobik model number to the part listed on your original battery or service guide before purchasing, and follow the installation tips to ensure correct recognition and longevity.