Safe checkout
Secure payments
Fast dispatch
1–2 day handling
Free shipping
U.S. ground
Warranty & RMA
Support after delivery
4T7JN - Dell 9-Cell 6600mAh 90Wh 11.1V Li-Ion Battery for Inspiron 13R/14R/15R/17R
- Type: Lithium-Ion (Li-Ion)
- Capacity: 6600mAh
- Energy: 90Wh
- Voltage: 11.1V
- Cells: 9-Cell
- Compatibility: Specific Dell Laptop Models
- Part Number: 4T7JN
4T7JN isn't on our shelf today — we source it to order. Request a quote and we'll confirm price and lead time within one business day.
Key specifications
See full specs ↓- Battery Type
- Lithium-Ion (Li-Ion)
- Capacity
- 6600mAh
- Energy
- 90Wh
- Voltage
- 11.1V
- Number of Cells
- 9
- Part Number
- 4T7JN
Product details
This Dell 4T7JN battery is a 9-cell, 6600mAh, 90Wh lithium-ion power source designed for specific Dell laptop models. It operates at 11.1V, providing extended battery life for users on the go. The high capacity ensures longer usage times between charges.
Technical Information
| Battery Type | Lithium-Ion (Li-Ion) |
| Capacity | 6600mAh |
| Energy | 90Wh |
| Voltage | 11.1V |
Additional Specifications
| Number of Cells | 9 |
| Part Number | 4T7JN |
| Brand | Dell |
Description
The Dell 4T7JN is a high-capacity replacement battery designed to power compatible Dell laptop computers. This 9-cell lithium-ion battery offers a substantial energy reserve, rated at 6600mAh and 90Wh, which translates to extended usage times between charges. This makes it an ideal choice for mobile professionals, students, or anyone who frequently uses their laptop away from a power outlet and requires reliable, long-lasting power. The battery operates at a nominal voltage of 11.1V, which is standard for many 9-cell laptop battery configurations. Its design incorporates nine individual cells, allowing for a higher overall energy density and capacity compared to standard 4-cell or 6-cell batteries. The lithium-ion technology ensures a good balance between energy storage, weight, and longevity, providing consistent power delivery throughout its operational life. As a genuine Dell part, the 4T7JN battery is manufactured to meet Dell's strict quality and performance standards. It is designed for seamless integration with specific Dell laptop models, ensuring proper fit and function. Users can expect reliable performance and safety features inherent in genuine Dell accessories. Replacing an old or degraded battery with this 4T7JN unit can significantly restore and enhance the portability and usability of the laptop.
Condition: Refurbished
Free U.S. ground shipping
Typically 1–2 days handling, 3–7 days in transit.
Purchase orders accepted
Government, enterprise, data center and small business.
Buying 10+ units?
Get volume pricing and availability for 4T7JN.
