E7440 3RNFD Laptop Battery Replacement for Dell Latitude 14 E7450 E7420 Series Laptop V8XN3 34GKR 451-BBOG BBFV High Capacity
E7440 3RNFD Laptop Battery Replacement for Dell Latitude 14 E7450 E7420 Series Laptop V8XN3 34GKR 451-BBOG BBFV High Capacity
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SPECIFICATIONS
Battery Voltage: 7.4V
Brand Name: XIAORAN
Brand name: XIAORAN
Certification: CE,FCC
Compatible Brand: Dell(ru)
High-concerned chemical: None
Model Number: 3RNFD E7440
Origin: Mainland China,Chinese Mainland
Package: Yes
Part Number: 3RNFD
Type: Li-Ion
SPECIFICATION
Battery Type: Li-ion
Battery Condition: Brand New
Battery Voltage: 7.4V
Battery Capacity: 54wh (Much Higher Capacity than 47Wh)
Condition: 100% New from Manufacturer, Grade A Cell, 12 Months Replacement
Compatibility
Compatible with Part Numbers:
34GKR 3RNFD 03RNFD V8XN3 G95J5 0909H5 5K1GW K8J43 CJW7D
Fit Laptop Machine Models (please use ctrl+f to search for your laptop model):
Dell Latitude E7440 Series Laptop
Dell Latitude E7420 Series Laptop
Dell Latitude E7450 Series Laptop
laptop battery instruction:
1. First check if the battery is the same size as your original battery after receiving it. When installing the battery, pay attention to whether the battery cable is fixed. If the battery cable is not installed correctly, the battery may not be charged.
2. If you use the battery for the first time after installing the battery, please do not charge the battery immediately, first use the battery to 10-20%, and then charge the battery, and cycle charging 5-6 times to activate the maximum use of the battery space.
3. We recommend that you search for battery removal tutorials on the Internet in advance, or seek help from a professional technician. We won't responsible for any damage due to improper operation.









Shipping & Delivery
Shipping & Delivery
We offer FREE worldwide shipping on all orders. Orders are processed within 1-3 business days.
- USA/Canada: 7-12 business days
- Europe: 7-15 business days
- Asia/Pacific: 5-10 business days
- Rest of world: 10-20 business days
Tracking number provided for every order.
Returns & Refunds
Returns & Refunds
We offer a 30-day money-back guarantee. Not satisfied? Contact us within 30 days for a full refund.
- Item must be unused and in original packaging
- Refund processed within 5-7 business days
- Free returns on defective items
Quality Guarantee
Quality Guarantee
Every product is sourced from verified suppliers and undergoes quality checks before shipping. If you receive a defective or damaged product, we will replace it or issue a full refund at no extra cost.
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