# Movano TA03XL Laptop Battery for HP 745 755 840 850 G4 14u 15u G4, 4078 mAh, 46.5 Wh

**URL:** https://aio.lv/en/product--movano-bthp-840g4--12434867
**Data updated:** 2026-05-14 12:13 (EEST)
**Category:** Portable Device Batteries
**Manufacturer:** Movano
**Manufacturer code:** BT/HP-840G4
**EAN:** 5903050379612
**Warranty:** 1 Year
**Availability:** Available for order
**Price:** 27.99 €
**Prices and availability valid until:** 2026-07-29 23:59
**Price without VAT (21%):** 23.13 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--movano-bthp-840g4--12434867

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 08.07.2026 | free |
| Pickup points | 13.07.2026 | 1.89 EUR |
| Courier delivery to door | 13.07.2026 | 4.99 EUR |

## Summary description

The Movano TA03XL replacement battery is designed for HP EliteBook and ZBook series laptops, including 745, 755, 840, and 850 G4 models. With a capacity of 4078 mAh and 46.5 Wh, this lithium-ion battery provides reliable power for mobile computing. It is a high-quality alternative to the original battery, ensuring compatibility and stable performance for your device during daily tasks.

## Long description

The Movano TA03XL laptop battery is a high-quality replacement power source specifically engineered for HP EliteBook and ZBook series laptops, including the 745, 755, 840, and 850 G4 models. This lithium-ion battery offers a capacity of 4078 mAh and 46.5 Wh, providing a reliable and stable power supply for your mobile computing needs. Designed to meet strict quality standards, it serves as an efficient alternative to the original manufacturer battery, ensuring seamless integration and consistent performance for your daily professional or personal tasks.
Advantages
This replacement battery offers excellent reliability and performance stability, mirroring the functionality of the original equipment. Its lithium-ion technology ensures a long service life without the memory effect, allowing for flexible charging cycles. By choosing this Movano battery, users benefit from a cost-effective solution that restores the original portability of their HP laptop, enabling extended work sessions away from a power outlet with confidence in the device's power management.
Suitable for
HP EliteBook 745 G4, 755 G4, 840 G4, and 850 G4 laptops
HP ZBook 14u G4 and 15u G4 workstations
Users requiring a reliable replacement for a degraded original battery
Mobile professionals needing consistent battery life for office and field work
When it may not be suitable
This battery is not compatible with HP laptop models outside of the specified G4 series. It should not be used if your device requires a different voltage or physical connector configuration, as this could lead to hardware damage.
Key specifications
Battery type: Lithium-ion
Capacity: 4078 mAh
Energy: 46.5 Wh
Compatibility: HP 745, 755, 840, 850 G4, 14u G4, 15u G4
How to use
To install the battery, first ensure your laptop is completely powered off and disconnected from the AC adapter. Access the battery compartment according to your specific HP laptop model's service manual. Carefully remove the old battery and insert the Movano TA03XL, ensuring the contacts are properly aligned. Once secured, close the compartment and connect the power adapter to perform an initial full charge before using the laptop on battery power for the first time.
What to consider before purchase
Verify your laptop model number matches the supported list
Check the physical shape and connector of your current battery
Ensure your laptop is compatible with the TA03XL battery standard
Usage recommendations
For optimal battery health, avoid letting the charge drop to zero percent frequently. It is recommended to perform a full charge cycle occasionally and keep the laptop in a well-ventilated area during operation to prevent overheating.

## FAQ

### How much does the Movano TA03XL Battery for HP 745 755 840 850 G4 cost, and is it available for purchase?

The price is 27.99 € (valid at the time of publication and already includes all taxes). The item is available for order — 16 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 08.07.2026 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. All transactions are 100% secure and encrypted.

### 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 Movano 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 Movano 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

## Image

https://aio.lv/img/cache/product/12434867/68744161_large.webp