# Compatible 90Wh 6‑cell Li‑Ion laptop battery for Lenovo ThinkPad P52/P51 — RAYOVAC (4X50K14091‑BTI)

**URL:** https://aio.lv/en/product--rayovac-4x50k14091-bti--11880127
**Data updated:** 2026-03-09 20:48 (EET)
**Category:** Batteries
**Manufacturer:** RAYOVAC
**Manufacturer code:** 4X50K14091-BTI
**EAN:** 886734892551
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 130.49 €
**Prices and availability valid until:** 2026-07-29 23:59
**Price without VAT (21%):** 107.84 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--rayovac-4x50k14091-bti--11880127

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 21.07.2026 | free |
| Pickup points | 24.07.2026 | 1.89 EUR |
| Courier delivery to door | 24.07.2026 | 4.99 EUR |

## Summary description

Replacement RAYOVAC compatible laptop battery (model 4X50K14091‑BTI) with 6 Li‑Ion cells, 90 Wh (8000 mAh) capacity and 11.25 V nominal voltage. Designed as a direct replacement for Lenovo ThinkPad P52 (20MA, 20M9) and ThinkPad P51 (20MN, 20MM, 20HJ). Single battery unit in black color for extended mobile work and travel use.

## Long description

Compatible 90Wh 6‑cell Li‑Ion laptop battery for Lenovo ThinkPad P52/P51 — RAYOVAC (4X50K14091‑BTI) is a replacement battery designed to restore mobile runtime for compatible Lenovo mobile workstations. The battery uses six lithium‑ion cells to provide 90 Wh (8000 mAh) capacity and a nominal voltage of 11.25 V. It is supplied as a single black battery unit and intended as a direct replacement for the specified ThinkPad P52 and P51 series models.
Advantages
This replacement battery delivers extended runtime comparable to original equipment by offering a high capacity of 90 Wh while remaining compatible with the charging and power management systems of the supported Lenovo models. The design and voltage specifications match the original battery standards to ensure stable operation and predictable battery behaviour. Being a single‑unit replacement in a standard colour, it is easy to install and integrate with existing laptop workflows.
Suitable for
 Extending on‑the‑go work sessions for Lenovo ThinkPad P52 and P51 laptops
 Field work and business travel where longer battery life is required
 Replacing a degraded or non‑functioning internal battery in compatible ThinkPad models
 Users who need a straightforward, direct replacement battery unit
Key specifications
 Battery chemistry: Lithium‑Ion (Li‑Ion)
 Capacity: 8000 mAh (90 Wh)
 Nominal voltage: 11.25 V
 Cell count: 6 cells
 Colour: Black
 Units included: 1 battery
 Compatibility: Designed for specified Lenovo ThinkPad P52 and P51 series models
How to use
Power off the laptop and disconnect any external power source before replacing the battery. Remove the service cover or battery access panel according to the laptop manufacturer instructions, then remove the existing battery by disconnecting its connector and unscrewing any fasteners if present. Insert the replacement battery, secure it in place and reconnect the battery connector. Replace the access panel, reconnect external power, and perform a full charge cycle to calibrate the new battery and allow the system to register its capacity.
Usage recommendations
Use the battery with supported Lenovo ThinkPad P52 and P51 models only and follow the laptop manufacturer safety guidelines. Charge and discharge the battery within normal operating temperature ranges, avoid exposure to moisture and physical damage, and store the battery partially charged (around 40–60%) if keeping it unused for extended periods. Dispose of the battery according to local regulations for lithium‑ion cells.

## Specifications

### Battery

| Feature | Value |
|---|---|
| Battery technology | Lithium-Ion (Li-Ion) |
| Battery voltage | 11.25 V |
| Number of batteries included | 1 pc(s) |
| Battery capacity | 8000 mAh |
| Number of battery cells | 6 |
| Product colour | Black |
| Battery capacity | 90 Wh |

### Technical details

| Feature | Value |
|---|---|
| Brand compatibility | Lenovo |

### Packaging data

| Feature | Value |
|---|---|
| Quantity per pack | 1 pc(s) |

## FAQ

### How much does the RAYOVAC 90Wh Li‑Ion battery for Lenovo ThinkPad P52/P51 cost, and is it available for purchase?

The price is 130.49 € (valid at the time of publication and already includes all taxes). The item is available for order — 2 pcs. are in stock, and you can place your purchase right now with delivery across Latvia and Europe or choose pickup at the Riga collection point. We offer favorable purchase terms, including the option to split the payment into convenient monthly installments. Availability and price are updated in real time, so we recommend placing your order in advance.

### If I order this product today, when will I receive my order?

If you place your order today, delivery will be as fast and convenient as possible. You will be able to pick up your order on 21.07.2026 at the Riga pickup point or choose delivery across Latvia and Europe. We carefully inspect every purchase and pack it securely for safe transportation.

### What payment options are available?

AiO.lv offers several payment methods: Bank transfer, Bank cards on-line, Apple Pay, Google Pay, Installment. All transactions are 100% secure and encrypted.

### Can RAYOVAC 90Wh Li‑Ion battery for Lenovo ThinkPad P52/P51 be purchased with a lease?

Yes, the purchase is available both on credit and with an interest-free installment plan. Learn more about installments and credit options: https://aio.lv/en/payment#b3

### Can this product be purchased for a company (with VAT)?

Yes. AiO.lv works with legal entities in Latvia and across Europe. The product price already includes VAT. For certain product categories, as well as for companies from other EU countries with a valid VAT number, a 0% VAT rate may apply. We issue the invoice immediately after the order is placed, support electronic BIS invoices, and automatically generate all necessary accounting documents. You can complete the purchase for a company online — simply select the company profile and choose bank transfer as the payment method during checkout.

### What is the warranty period?

All RAYOVAC products come with an official 2 Years warranty. It covers all manufacturing defects and malfunctions that may occur during use. The warranty is valid at all authorized RAYOVAC service centers and through AiO.lv

### Can the product be returned after purchase?

Yes, you can return the product within 14 days of purchase if you bought it as a consumer (not a legal entity). Returns are possible without giving any reason — the main condition is that the product retains its original appearance and full set of accessories. We will make the process as simple and convenient as possible: just contact our customer support team, and we will help you arrange the return.

### Where should I contact for warranty service?

For warranty-related questions you can contact the AiO.lv (SIA VSPRO) customer support team. More information about warranty service: https://aio.lv/en/warranty

### How can I tell if this product suits my needs?

When making a choice, we recommend paying attention to the key features: battery technology, battery voltage, number of batteries included, compatibility with your devices or usage conditions, material quality, functionality, and warranty terms. These characteristics will help you determine how well the model meets your needs.

## Image

https://aio.lv/img/cache/product/11880127/67425636_large.webp