# Mitsu Laptop Battery TA03XL for HP EliteBook 745 750 840 850 G4 and ZBook 14u 15u G4

**URL:** https://aio.lv/en/product--mitsu-bchp-840g4--10747767
**Data updated:** 2026-05-11 14:53 (EEST)
**Category:** Portable Device Batteries
**Manufacturer:** MITSU
**Manufacturer code:** BC/HP-840G4
**Warranty:** 1 Year
**Availability:** Available for order
**Price:** 30.49 €
**Prices and availability valid until:** 2026-07-15 23:59
**Price without VAT (21%):** 25.20 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--mitsu-bchp-840g4--10747767

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 26.06.2026 | free |
| Pickup points | 01.07.2026 | 1.99 EUR |
| Courier delivery to door | 01.07.2026 | 4.99 EUR |

## Summary description

High-quality Mitsu replacement battery model TA03XL, designed specifically for HP EliteBook 745, 750, 840, 850 G4 series and ZBook 14u, 15u G4 laptops. This reliable lithium-ion battery provides stable power for your mobile workstation, ensuring long-lasting performance and compatibility with original charging systems. Ideal for replacing worn-out batteries to restore your device's original runtime and portability.

## Long description

The Mitsu TA03XL laptop battery is a high-quality replacement power source engineered specifically for the HP EliteBook 745, 750, 840, 850 G4 series and ZBook 14u, 15u G4 mobile workstations. This lithium-ion battery is designed to meet or exceed original manufacturer specifications, providing a reliable and stable power supply for your professional computing needs. By replacing a degraded battery with this unit, you can effectively restore your laptop's original runtime and portability, allowing you to work away from a power outlet with confidence.
Advantages
This replacement battery offers exceptional reliability and performance consistency, ensuring that your laptop operates smoothly during intensive tasks. The use of high-grade lithium-ion cells prevents the memory effect, allowing for flexible charging cycles without compromising the overall capacity of the battery over time. Furthermore, the unit is fully compatible with original HP charging systems and power management software, ensuring seamless integration and safe operation within your device.
Suitable for
HP EliteBook 745 G4
HP EliteBook 750 G4
HP EliteBook 840 G4
HP EliteBook 850 G4
HP ZBook 14u G4
HP ZBook 15u G4
When it may not be suitable
This battery is not compatible with laptop models outside of the specified HP EliteBook and ZBook G4 series. It is also not intended for use in devices that require a different voltage or physical connector configuration than the TA03XL standard.
Key specifications
Battery type: Lithium-ion
Compatibility: HP EliteBook 745, 750, 840, 850 G4 and ZBook 14u, 15u G4
Technology: High-capacity cells
Safety features: Overcharge and short-circuit protection
How to use
To install the battery, ensure your laptop is completely powered off and disconnected from the AC adapter. Remove the bottom service panel of your laptop to access the battery compartment. Carefully disconnect the old battery cable from the motherboard, unscrew the mounting points, and remove the depleted unit. Insert the new Mitsu battery, secure it with the screws, and reconnect the power cable. Replace the service panel and charge the battery fully before the first use to calibrate the power management system.
What to consider before purchase
Verify your laptop model number matches the supported list
Check the physical shape of your current battery to ensure it matches the TA03XL form factor
Ensure your laptop is powered down before attempting installation
Usage recommendations: For optimal battery health, avoid letting the charge drop to zero percent frequently. If the laptop will not be used for an extended period, store the battery in a cool, dry place with approximately 50% charge to maintain its chemical stability.

## FAQ

### How much does the Mitsu TA03XL Battery for HP EliteBook 840 G4 and ZBook 15u G4 cost, and is it available for purchase?

The price is 30.49 € (valid at the time of publication and already includes all taxes). The item is available for order — 18 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 26.06.2026 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 MITSU 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 MITSU 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

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