# Battery t6 power for HP ProBook 4330s 4430s 4435s 4440s 4530s 4535s 4540s — 5200mAh 56Wh 6-cell

**URL:** https://aio.lv/en/product--t6-power-nbhp0074--3515501
**Data updated:** 2025-12-29 10:58 (EET)
**Category:** Portable Device Batteries
**Manufacturer:** t6 power
**Manufacturer code:** NBHP0074
**EAN:** 8595605507112
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 62.99 €
**Prices and availability valid until:** 2026-07-16 23:59
**Price without VAT (21%):** 52.06 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--t6-power-nbhp0074--3515501

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 02.07.2026 | free |
| Pickup points | 07.07.2026 | 1.99 EUR |
| Courier delivery to door | 07.07.2026 | 4.99 EUR |

## Summary description

Rechargeable replacement battery by t6 power compatible with HP ProBook models 4330s, 4430s, 4435s, 4440s, 4530s, 4535s and 4540s. Rated 5200mAh (56Wh) and configured as a 6-cell pack, it provides extended runtime for mobile work, study or travel. Designed to fit original battery bay and restore laptop portability; ideal for replacing worn or failing batteries.

## Long description

Rechargeable Li-ion replacement battery by t6 power designed for select HP ProBook laptops. Rated at 5200 mAh (56 Wh) and 10.8 V, this 6-cell pack matches the original battery bay dimensions (268.6 × 44.4 × 20.3 mm) and weighs 313 g. It is compatible with multiple OEM part numbers including 633733-1A1, 633733-321, 633805-001, 650938-001 and numerous HSTNN and PR series references, and fits a range of HP ProBook models.
Advantages
The battery offers a factory-specified capacity of 5200 mAh (56 Wh) to restore or extend laptop runtime compared with depleted cells. Its Li-ion chemistry provides a balance of energy density and weight while the pack’s form factor and connector layout are intended to match original HP ProBook battery bays for straightforward replacement. Multiple compatible product numbers and the t6 power brand help ensure correct fit for supported models.
Suitable for
Hewlett Packard ProBook 4330s
Hewlett Packard ProBook 4331s
Hewlett Packard ProBook 4430s / 4431s / 4435s / 4436s
Hewlett Packard ProBook 4440s / 4441s / 4446s
Hewlett Packard ProBook 4530s / 4535s
Hewlett Packard ProBook 4540s / 4545s
Key specifications
Type: Li-ion
Capacity: 5200 mAh (56 Wh)
Voltage: 10.8 V
Cells: 6-cell pack
Dimensions: 268.6 × 44.4 × 20.3 mm
Weight: 313 g
Manufacturer / brand: t6 power
MPN / EAN references: NBHP0074, 8595605507112; OEM codes: 633733-1A1, 633733-321, 633805-001, 650938-001, HSTNN-DB2R, HSTNN-DB3C, HSTNN-I02C, HSTNN-I97C-3, HSTNN-I98C-5, HSTNN-I99C-3, HSTNN-I99C-4, HSTNN-IB2R, HSTNN-LB2R, HSTNN-OB2R, HSTNN-Q87C-4, HSTNN-Q88C-4, HSTNN-Q89C, HSTNN-XB2, LC32BA122, PR06, PR09, QK646AA
How to use
Power down the laptop and disconnect the AC adapter before replacing the battery. Remove the existing battery according to the HP ProBook user guide — typically by unlocking the battery latches and sliding the pack out. Align the replacement t6 power battery with the battery bay and press until it clicks into place, then secure any latches. Reconnect the AC adapter and charge the new battery fully before first use to calibrate charge reporting.
Usošanas ieteikumi
For optimal battery life, avoid deep discharges and store the battery at around 40–60% charge if not used for extended periods. Use the original charger or a compatible HP adapter and keep laptop firmware and power management drivers up to date.

## FAQ

### How much does the Battery t6 power for HP ProBook 4330s 4430s 4435s 4440s cost, and is it available for purchase?

The price is 62.99 € (valid at the time of publication and already includes all taxes). The item is available for order — 1 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 02.07.2026 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 t6 power 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 t6 power 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/3515501/51190746_large.webp