01AY997 Lenovo ThinkPad L14 Gen 2 RTC CMOS Battery CR2016 3V
Genuine Lenovo RTC / CMOS BIOS battery, FRU 01AY997, using a CR2016 3V cell with wired 2-pin connector. Suitable for selected Lenovo ThinkPad laptops including T490s, T495s, X390, X395 and other compatible models using the same FRU. Ideal replacement for systems losing BIOS settings, date or time. Professionally tested and supplied with a 12 Month MicroDream warranty.
Lenovo ThinkPad RTC CMOS BIOS Battery – 01AY997
This is a genuine Lenovo RTC / CMOS BIOS battery for selected Lenovo ThinkPad laptops.
The battery is identified by Lenovo FRU 01AY997 and uses a CR2016 3V cell with a wired connector. It provides backup power for the laptop's Real-Time Clock and BIOS settings when the main battery is disconnected or the system is powered off.
Key Features
- Genuine Lenovo RTC / CMOS battery
- Lenovo FRU: 01AY997
- CR2016 battery type
- 3V voltage
- Wired 2-pin connector
- Maintains BIOS settings and system date / time
- Ideal replacement for failed or weak RTC battery
- Excellent grade refurbished condition
- 12 Month MicroDream warranty
Common Symptoms of a Faulty RTC Battery
- Date and time resetting after shutdown
- BIOS settings not being retained
- RTC / CMOS battery warnings
- BIOS date and time error messages
Compatibility
Known compatible models include selected configurations of:
- Lenovo ThinkPad T490s
- Lenovo ThinkPad T495s
- Lenovo ThinkPad X390
- Lenovo ThinkPad X395
This FRU is also used in various other Lenovo ThinkPad models, including selected T14s, L14, L15, P14s, P16s and X13 systems where the same battery and connector are fitted.
Important: Lenovo uses different RTC batteries and connector types across ThinkPad models. Please compare the FRU number, connector, cable length and battery shape with your original part before ordering.
Specifications
- Brand: Lenovo
- FRU / Part Number: 01AY997
- Product Type: RTC / CMOS BIOS Battery
- Battery Type: CR2016
- Voltage: 3V
- Connector: Wired 2-pin
- Installation: Internal
- Condition: Excellent Grade Refurbished
- Warranty: 12 Months
Package Includes
- 1 x Lenovo RTC / CMOS Battery 01AY997
Please note: Laptop, motherboard, screws and other accessories are not included unless clearly stated.
Warranty
12 Month Warranty: This battery has been professionally checked and is supplied with a 12 month MicroDream warranty for added peace of mind.
| SKU | 01AY997 |
|---|---|
| MPN | 01AY997 |
| Manufacturer | Lenovo |
| Accessories type | Battery |
| Condition | Certified Refurbished (Excellent) |
| Condition Comment | Full working order |
| Warranty | 12 Month Warranty |
| Important | It is your responsibility as a buyer to ensure this is compatible with your hardware or operating system before buying. Assume that any photo is a library photo, not the actual item you will receive, unless expressly mentioned above. Unless expressly mentioned in the description, there will be no other parts included with the item. This includes items such as drivers, cables, manuals, warranty cards etc. Hard drives, tape drives, caddies etc. will not include any screws, fixing rails unless expressly mentioned. |
Delivery & Returns
We aim to deliver your order as quickly as possible. Once your order has been shipped, you will receive an email with tracking details so you can follow its progress.
UK Delivery
- Free Delivery: Monday–Friday (2–5 working days)
- Fast Delivery: Monday–Friday (1–2 working days)
- Next Working Day Delivery: Order before 1pm (Mon–Fri). Orders placed on Saturday/Sunday will be dispatched Monday for delivery Tuesday.
Please note: Saturdays, Sundays, and Bank Holidays are not counted as working days. Delivery may take longer for remote areas such as the Scottish Highlands and Northern Ireland. Next Day service is not guaranteed in these areas.
International Delivery
- Select UPS Courier at checkout to see live shipping quotes after entering your address.
- Most orders arrive within a few days (excluding customs processing).
- Orders are dispatched Monday–Friday only.
- Additional local customs clearance charges and taxes may apply. These are the responsibility of the customer. If unpaid, goods will be returned to us and we may refund your order (minus delivery fees and a re-processing charge).
EU Deliveries – Post-Brexit
From 1 January 2021, goods shipped from the UK to the EU may incur additional duties, taxes, and higher shipping costs.
- We ship under DAP (Delivery at Place) Incoterm – customs fees and import charges are paid by the recipient.
- When your order arrives, the courier will contact you to settle charges before delivery.
- If charges are refused and goods return to us, we may refund the order minus delivery fees and re-processing costs.
Tip: Please check estimated customs charges before ordering, as they can be significant.
Returns Policy
We want you to shop with confidence. If you need to return an item, please obtain authorization from us beforehand by opening a support ticket.
How to Return an Item
- Add New Support Ticket: Request return authorization by opening a ticket via our Helpdesk portal.
- Refund Policy: We accept returns within 30 days of receipt, provided the item is in the exact same condition as supplied.
- Processing Time: Returns are processed within 7 working days of arrival.
- Documents: Include a copy of your invoice and reason for return.
- Secure Packaging: Use the original packaging if possible and ensure the item is well-protected. Damage caused by poor packing will be the sender’s responsibility.
Return Address
Micro Dream Limited
12 Brixham Enterprise Estate
Rea Barn Road
Brixham, Devon
TQ5 9DF
United Kingdom
Free Returns
We offer free returns on orders above £100.
If you have any questions, please contact our support team. We’re here to help.
Product FAQs
Yes. At MicroDream, every refurbished device is fully tested; any faulty parts are replaced; and it’s professionally cleaned and inspected so it performs like new. Many customers say it looks brand new despite being refurbished.
Yes. All compatible MicroDream refurbished PCs include a genuine, fully licensed Windows operating system pre-installed — ready to use straight out of the box.
We offer a 30-day money-back guarantee so you can buy with complete peace of mind.
Since 2009, MicroDream has supplied refurbished computers across the UK — over 15 years of experience behind every device we sell.
Grade A means the device works like new and has no visible cosmetic imperfections when viewed from about 12 inches (≈30 cm) away. Most customers say our Grade A units look brand new.
Yes. Every MicroDream Certified Refurbished device includes a 12-month limited warranty as standard. We also offer free returns on orders above £100 and will arrange collection of any replacement or repaired item.
The warranty is non-transferable and applies only to the original end purchaser. An original or copy of your sales invoice is required for warranty service.
In the unlikely event of a hardware fault, you can return the device for repair or replacement (or an equivalent product) within the warranty period.
All batteries are tested and confirmed to be in good working order at the time of sale. We will replace any that fail within 30 days of receipt. Beyond 30 days, battery wear is considered normal use and is not covered by warranty.
The warranty does not cover: normal wear and tear; misuse; accidents; unauthorized repairs; modifications; software issues; or accidental damage such as broken screens or liquid spills.









