SPECIFICATION: Type: 7WNW1, Rating: 11.4V, Capacity: 51Wh / 4342mAh, Battery type: A+ 3-cell / Lithium-ion Rechargeable laptop battery replacment, 100% brand new, Grade A cells ensure fast charges and low power consumption. Each of our 7WNW1 Laptop Battery Replacement for Dell Latitude is CE-/FCC-/RoHS-Certified. COMPATIBLE PART NUMBERS: 7WNW1 07WNW1 DMF8C 0DMF8C GK3D3 0GK3D3. REPLACEMENT FOR LAPTOP MODELS: for Dell Latitude 7424 Rugged Extreme Series, for Dell Latitude 5424 Rugged Extreme Series, for Dell Latitude 5420 Rugged Extreme Series. SECURITY & RELIABILITY: Our 7WNW1 Laptop Battery Replacements are assembled from top quality material and circuit boards to ensure fast charges and low power consumption, 100% New from Manufacturer, Overcharge and Overdischarge Circuit Protection, Over-temperature and Short-circuit Protection, up to 500 recharge cycles over the life of the battery, meet OEM standard. You can buy it with confidence and use it safely. SUPPORT: Wymisnit laptop batteries and chargers are built to last. They are high quality, durable, and reliable. You can be confident that they will work with your laptop without any problems. And, if something does go wrong, they are covered WITHIN TWO YEARS OF PURCHASE. So you can use your laptop for longer periods of time without having to worry about running out of power. 51Wh 7WNW1 Laptop Battery Replacement for Dell Latitude 7424 5424 5420 Rugged Extreme Series Notebook 0DMF8C DMF8C 07WNW1 GK3D3 0GK3D3 11.4V 4342mAh 3-Cell