The Lenovo 45N1773 / 45N1117 24Wh Internal Laptop Battery Price in Kenya is KSh 6,700. This is a 3-cell internal lithium-ion battery built specifically for Lenovo ThinkPad systems that use the dual-battery Power Bridge architecture. Verified specification references show this battery operates at 24Wh capacity with 11.1V to 11.4V output and serves as the hidden internal battery that works together with an external removable rear battery.
Who Should Buy This Battery?
This battery is ideal for ThinkPad business users, field professionals, students, and office workers whose laptops shut down during external battery swaps or whose internal battery is no longer detected by Lenovo Vantage.
Lenovo 45N1773 / 45N1117 24Wh Internal Laptop Battery Price Table
| Product |
Price in Kenya |
| Lenovo 45N1773 / 45N1117 24Wh Internal Laptop Battery |
KSh 6,700 |
Lenovo 45N1773 / 45N1117 24Wh Internal Laptop Battery Key Specifications Table
| Feature |
Specification |
| Battery Type |
Lithium-ion |
| Capacity |
24Wh |
| Voltage |
11.1V / 11.4V |
| Cell Configuration |
3-cell |
| Compatibility |
Lenovo ThinkPad T440, T450, T460, X240, X250, X260 |
| Compatible Part Numbers |
45N1108, 45N1109, 45N1110, 45N1111, 45N1113 |
| Charging Cycles |
300–500 cycles |
| Connector Type |
Internal motherboard connector |
| Protection System |
Built-in battery management IC |
| Overcharge Protection |
Supported |
| Short Circuit Protection |
Supported |
| Build Material |
Reinforced heat-resistant casing |
Lenovo 45N1773 / 45N1117 24Wh Internal Laptop Battery Design and Build Quality
The battery is manufactured as a compact internal module positioned beneath the palm rest area in supported ThinkPad laptops. It is designed for long-term business durability, safe thermal control, and smooth integration with Lenovo’s original firmware battery calibration system.
Build Features
- Slim business-class internal construction
- Reinforced insulated casing for safer operation
- Secure Lenovo proprietary motherboard connector
- Compact precision-fit chassis mounting points
Lenovo 45N1773 / 45N1117 24Wh Internal Laptop Battery Charging and Efficiency
Charging Performance
- Stable charging with Lenovo ThinkPad adapters
- Smooth current intake in dual-battery mode
- Balanced charge cycle management for long-term use
Energy Efficiency
- Supports uninterrupted battery swapping
- Maintains internal backup reserve during unplugged use
- Reduces standby power leakage across business workloads
Lenovo 45N1773 / 45N1117 24Wh Internal Laptop Battery Safety Protection Features
Safety Systems
- Overcharge protection circuit
- Short-circuit prevention technology
- Internal voltage stabilization
- Controlled thermal resistance during charging
Lenovo 45N1773 / 45N1117 24Wh Internal Laptop Battery Connectivity Features
Internal Connection
- Secure motherboard pin interface
- Stable low-loss current transmission
- Reliable Power Bridge communication link
Lenovo 45N1773 / 45N1117 24Wh Internal Laptop Battery Compatibility Features
Device Compatibility
- Fully compatible with Lenovo ThinkPad T440, T450, T460 series
- Fully compatible with Lenovo ThinkPad X240, X250, X260 series
- Works with Lenovo internal FRU battery firmware matching 45N1773 family
Lenovo 45N1773 / 45N1117 24Wh Internal Laptop Battery Ideal Use Cases
- Business travel and field office work
- Hot-swapping rear batteries without shutdown
- Office productivity and spreadsheet work
- Academic and research mobility
- Replacement of non-detected internal ThinkPad battery
Lenovo 45N1773 / 45N1117 24Wh Internal Laptop Battery Smart Features
Intelligent Power Management
- Maintains hidden reserve power during external battery removal
- Balances discharge between internal and rear battery
- Reduces abrupt shutdown risks in battery transition
- Improves long-term internal battery health consistency
Energy Optimization
- Prioritizes efficient standby reserve usage
- Reduces unnecessary discharge during low workloads
- Improves overall dual-battery runtime stability
- Supports smoother battery percentage calibration
Safety Integration
- Prevents overheating during long charging sessions
- Automatically regulates full-charge cut-off
- Protects against motherboard voltage spikes
- Ensures safe current transfer across internal cells
Lenovo 45N1773 / 45N1117 24Wh Internal Laptop Battery Pros and Cons
| Pros |
Cons |
| Correct Power Bridge internal battery platform |
Low 24Wh capacity by itself |
| Enables external battery hot swapping |
Requires opening lower chassis |
| Good compatibility across many ThinkPads |
Designed mainly as secondary internal reserve |
| Strong built-in Lenovo safety protection |
Professional installation is safer |
| OEM-grade firmware recognition support |
Runtime alone is limited |
Frequently Asked Questions
1. What is the price of Lenovo 45N1773 / 45N1117 battery in Kenya?
It is KSh 6,700.
2. Is this an internal or external battery?
It is the internal hidden battery mounted inside the laptop.
3. Which laptops use this battery?
ThinkPad T440, T450, T460, X240, X250, and X260 series.
4. What is Power Bridge support?
It allows the laptop to stay on while changing the rear removable battery.
5. How long does it last on its own?
Around 1.5 to 3 hours depending on workload.
6. Is it recognized by Lenovo BIOS?
Yes, when the FRU part family matches correctly.
7. Why do many users replace this battery?
Many ThinkPad users report random shutdowns, BAT0 not charging, or internal battery not detected after years of use, making this FRU one of the common replacements discussed in ThinkPad communities.
8. Is installation difficult?
Moderate. The lower cover must be removed and the battery disconnected carefully.
Conclusion
The Lenovo 45N1773 / 45N1117 24Wh Internal Laptop Battery is a dependable business-class replacement for restoring Lenovo ThinkPad dual-battery functionality, stable backup reserve, and safe uninterrupted mobile productivity. It is one of the most important internal FRU batteries for classic T and X series ThinkPads.
With a price in Kenya of KSh 6,700, it remains a practical replacement option for users who need reliable internal power support and smooth external battery transition performance.