Dell XPS 13 9350 / Ultra 7 288V 11.55V 55Wh Laptop Battery Specifications
- Battery Type: Li-ion / Li-polymer high-density cells
- Capacity: 55Wh standard configuration
- Voltage: 11.55V stable output
- Cells: 3-cell internal lithium-polymer pack
- Compatibility: Dell XPS 13 9350 / 9340 / 9345 / newer Ultra 7 variants
- Platform Support: Dell XPS 13 ultrabook series
- Design: Internal OEM replacement battery
- Charging Support: Dell ExpressCharge / USB-C Power Delivery systems
- Part Numbers: MN79H / J7H5M / NXRKW / P189G compatible family
Dell XPS 13 9350 / Ultra 7 288V 11.55V 55Wh Laptop Battery Overview
The Dell XPS 13 9350 / Ultra 7 288V 11.55V 55Wh laptop battery is an OEM internal replacement designed for Dell’s premium XPS ultrabook lineup. It delivers stable voltage output, efficient energy consumption, and reliable runtime for everyday productivity tasks such as office work, browsing, streaming, programming, and cloud-based applications.
Official Dell specifications confirm that the XPS 13 9350 uses a 3-cell 55Wh lithium-ion battery rated at 11.55V, designed for thin-and-light premium ultrabooks where efficiency and portability are prioritized over raw capacity.
Newer XPS 13 platforms (including 9340/9345 and Ultra 7 configurations) continue using the same 55Wh 11.55V battery architecture or closely compatible MN79H-family packs, depending on the exact revision and motherboard generation.
This makes the 55Wh 11.55V battery one of the most standardized Dell XPS power units across multiple generations.
Dell XPS 13 9350 / Ultra 7 288V 11.55V 55Wh Laptop Battery Price Table
| Product | Price in Kenya (KSh) |
|---|---|
| Dell XPS 13 9350 / Ultra 7 288V 11.55V 55Wh Laptop Battery | 9,500 – 19,500 |
Dell XPS 13 9350 / Ultra 7 288V 11.55V 55Wh Laptop Battery Key Specifications
| Specification | Details |
|---|---|
| Model | Dell XPS 13 9350 / 9340 / Ultra 7 series |
| Platform | Dell XPS ultrabook series |
| Battery Type | Lithium-ion / Lithium-polymer |
| Capacity | 55Wh |
| Voltage | 11.55V |
| Cell Configuration | 3-cell |
| Build Type | Internal replacement battery |
| Cycle Life | ~300–500 cycles |
| Charging System | Dell ExpressCharge / USB-C PD |
Dell XPS 13 9350 / Ultra 7 288V 11.55V 55Wh Laptop Battery Charging Performance
- Stable charging for ultrabook workloads
- Supports USB-C Power Delivery (newer models)
- Efficient energy use for daily productivity
- Full charge typically in ~2 hours (power-off)
- Optimized for lightweight premium laptops
Dell XPS 13 9350 / Ultra 7 288V 11.55V 55Wh Laptop Battery Safety Features
- Overcharge protection
- Over-discharge protection
- Short-circuit protection
- Thermal regulation system
- Smart battery management IC
Dell XPS 13 9350 / Ultra 7 288V 11.55V 55Wh Laptop Battery Compatibility
- Dell XPS 13 9350
- Dell XPS 13 9340 / 9345 (select variants)
- Dell XPS 13 Plus / Ultra 7 platforms (MN79H-family dependent)
- Compatible MN79H / J7H5M / NXRKW battery family systems
- Always confirm exact part number before purchase
Dell XPS 13 9350 / Ultra 7 288V 11.55V 55Wh Laptop Battery Durability & Build
- High-density lithium-polymer cells
- OEM-grade internal casing
- Stable discharge under daily workloads
- Designed for premium ultrabooks
- Secure internal connector design
Dell XPS 13 9350 / Ultra 7 288V 11.55V 55Wh Laptop Battery Energy Efficiency
- Optimized for Intel low-power ultrabook platforms
- Balanced runtime for productivity use
- Stable voltage under multitasking
- Ideal for professionals and students
Dell XPS 13 9350 / Ultra 7 288V 11.55V 55Wh Laptop Battery Ideal Use Cases
- Business users
- Students
- Developers
- Frequent travelers
- Everyday productivity users
Dell XPS 13 9350 / Ultra 7 288V 11.55V 55Wh Laptop Battery Pros and Cons
| Pros | Cons |
|---|---|
| Standard 55Wh ultrabook battery | Internal installation required |
| Stable 11.55V output | Must confirm exact generation compatibility |
| Widely used across XPS generations | Not for gaming workloads |
| OEM safety protections | Not user-removable |
| Efficient and lightweight design | Some variants are BIOS-sensitive |
Dell XPS 13 9350 / Ultra 7 288V 11.55V 55Wh Laptop Battery Conclusion
The Dell XPS 13 9350 / Ultra 7 288V 11.55V 55Wh laptop battery is a reliable OEM replacement designed for Dell’s premium ultrabook lineup. It delivers stable performance, safe charging, and efficient runtime, making it ideal for users in Kenya who need a lightweight, dependable battery for professional and everyday computing.
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