# Movano CS03XL Laptop Battery for HP EliteBook 755 840 850 G3, 4100 mAh, 47 Wh

**URL:** https://aio.lv/en/product--movano-bthp-840g3--12434858
**Data updated:** 2026-05-14 12:12 (EEST)
**Category:** Portable Device Batteries
**Manufacturer:** Movano
**Manufacturer code:** BT/HP-840G3
**EAN:** 5903050377700
**Warranty:** 1 Year
**Availability:** Available for order
**Price:** 27.99 €
**Prices and availability valid until:** 2026-07-23 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-840g3--12434858

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 06.07.2026 | free |
| Pickup points | 09.07.2026 | 1.89 EUR |
| Courier delivery to door | 09.07.2026 | 4.99 EUR |

## Summary description

The Movano CS03XL replacement battery is designed for HP EliteBook 755, 840, and 850 G3 series laptops. With a capacity of 4100 mAh and 47 Wh, this lithium-ion battery provides reliable power for daily computing tasks. It is a high-quality alternative to the original battery, ensuring compatibility and stable performance for your portable device. Ideal for users needing a dependable power source for extended mobile work.

## Long description

The Movano CS03XL laptop battery is a high-quality replacement power source specifically engineered for the HP EliteBook 755, 840, and 850 G3 series. Designed to meet the rigorous demands of professional mobile computing, this lithium-ion battery offers a capacity of 4100 mAh and 47 Wh, providing a reliable and stable energy supply for your device. It serves as a direct alternative to the original manufacturer battery, ensuring seamless integration and consistent performance for your laptop.
Advantages
This battery offers excellent reliability for users who require consistent power throughout their workday. By utilizing high-grade lithium-ion cells, it maintains a stable voltage output, which helps in preserving the overall health of your laptop components. The precise design ensures a perfect fit within the battery compartment, making installation straightforward and secure. Furthermore, it provides a cost-effective solution for extending the operational life of your HP EliteBook without compromising on safety or performance standards.
Suitable for
HP EliteBook 755 G3 series laptops
HP EliteBook 840 G3 series laptops
HP EliteBook 850 G3 series laptops
Users needing a replacement for a degraded original battery
Professionals working remotely who require extended mobile uptime
When it may not be suitable
This battery is not compatible with laptop models outside of the specified HP EliteBook G3 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
Capacity: 4100 mAh
Energy: 47 Wh
Technology: Lithium-ion
Compatibility: HP EliteBook 755, 840, 850 G3
How to use
To install the battery, first ensure your laptop is completely powered off and disconnected from the AC adapter. Open the bottom casing of your laptop according to the manufacturer's service manual, remove the old battery by unscrewing the mounting points, and carefully disconnect the power cable. Insert the new Movano CS03XL battery into the slot, secure it with the screws, and reconnect the cable. Once installed, close the casing and charge the battery to its full capacity before the first use to calibrate the power management system.
What to consider before purchase
Verify your exact laptop model number to ensure compatibility
Check the physical shape of your current battery against the product images
Ensure your laptop is part of the G3 series as specified
Usage recommendations
For optimal battery longevity, avoid exposing your laptop to extreme temperatures and try to keep the charge level between 20% and 80% during daily use. Perform a full discharge and recharge cycle once every few months to maintain accurate battery capacity reporting.

## FAQ

### How much does the Movano CS03XL Battery for HP EliteBook 755 840 850 G3 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 — 6 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 06.07.2026 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/12434858/68744116_large.webp