54WH 3RNFD Replacement Battery for Dell Latitude E7440 E7450 E7420 34GKR PFXCR

Our brand-new Laptop Battery compatible with Dell 3RNFD is engineered to deliver long-lasting and stable performance. It is designed to meet rigorous standards, ensuring full compatibility with devices such as the Dell Latitude E7440 E7450 E7420 34GKR PFXCR. This battery comes with a one-year warranty and has passed essential safety certifications including CE, RoHS, and ISO9001. Choose our Dell 3RNFD battery for a power solution that combines quality, safety, and convenience. Invest in authentic performance and keep your Dell Latitude E7440 E7450 E7420 34GKR PFXCR running like new.

54WH 3RNFD Replacement Battery for Dell Latitude E7440 E7450 E7420 34GKR PFXCR

Product Specifications
Brand: Dell Laptop Battery
Battery Type: Li-ion
Battery Voltage: 7.4V
Battery Capacity: 54WH
Warranty: 30 Days Money Back, 1 Year Warranty.
Over 500-800 times of charge and discharge.

Compatible Part Numbers:

Compatible Models:
for Dell Latitude 14 7000 Series
for Dell Latitude E7440 Series
for Dell Latitude E7450 Series
for Dell Latitude E7420 Series
for Dell Latitude E7250 Series

As a professional manufacturer, we offer a 100% brand new Li-ion battery for Dell 3RNFD, built with genuine Grade A cells to ensure high quality and stable performance. Certified by CE, ROHS, and MSDS, this battery delivers excellent discharge characteristics and supports over 500–800 charge cycles.

It is fully compatible with original Fujitsu equipment and features multiple built-in protections including over-charge, over-current, over-voltage, and short-circuit prevention. Designed with an advanced printed circuit board (PCB), it provides reliable and safe operation.

Backed by a one-year warranty, 30-day money-back guarantee, and 100% secure shopping assurance, we provide premium performance at a competitive price.

To ensure optimal performance and longevity of your Dell 3RNFD Battery, please adhere to the following guidelines:
1.Storage - Store the battery 3RNFD in a clean, dry, and cool environment, away from heat sources and metal objects. During storage, the battery will gradually self-discharge. It is recommended to store it at approximately 40% state of charge.
2.Charging and Discharging - Unlike older battery technologies, lithium-ion batteries do not require frequent full discharge cycles. Only perform a full discharge approximately every 30 charging cycles. Avoid charging the battery beyond its specified threshold voltage.
3.Regular Use - Avoid leaving the battery 3RNFD idle for extended periods. It is advisable to use the battery at least once every two to three weeks. If the battery has been unused for a long time, follow the initial break-in procedure as recommended for new batteries.
4.Calibration - If the battery indicator shows 76% or less during use, fully charge it, then fully discharge it, and finally recharge it completely to calibrate the battery level accuracy.
5.Usage on Fixed Power - Consider removing the battery from the laptop when using a fixed power source for extended periods to reduce unnecessary charging cycles.
6.Short-Circuit Prevention - Do not short-circuit the battery, as this can cause serious damage and compromise safety.
By following these practices, you can help maintain the performance and extend the life of your Dell 3RNFD Battery.