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HP CQ42 / CQ42-4-3S2P 10.8V 5200mAh 6-Cell Replacement AJP Laptop Battery

£21.00
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Technical Specifications
Condition Brand New from Manufacturer
Brand AJP
Product Type Laptop Battery
Battery Type Rechargeable Li-ion Battery
Compatible Brand HP
Model Number CQ42
Part Number CQ42-4-3S2P, HSTNN-DB0W
Voltage 10.8V
Capacity 5200mAh / 56Wh
Number of Cells 6-Cell battery
Cell Type A-Grade Lithium-ion
Storage Temperature Range 0°C to 60°C (32°F to 140°F)
Color Black
Warranty 1 Year
Performance High-quality design ensures stable voltage delivery and reliable backup power
Charging Advice Safe for Overnight Charging; Unplug After Full Charge to Extend Life
Usage Tip Used While Charging; Avoid Prolonged High Heat or Heavy Load
Degradation Note Slight Capacity Reduction May Occur After 18–24 Months of Regular Use
Maintenance Tips Keep BIOS Updated, Reduce Brightness, and Avoid Extreme Temperatures
Can Be Used Without Battery Yes – Laptop Can Run on AC Adapter (No Backup During Power Loss)
Compatibility Note Please verify your laptop model and original battery part number before purchase
Purchase Guidance Check your laptop’s System Model via msinfo32 before purchase to ensure compatibility.
Installation Type Internal Battery (Professional Installation Recommended)
Return Notice Returns accepted only with prior approval; unauthorized returns not processed.

Note: Orders shipped outside of the UK may be subject to customs duties and import taxes. These charges are the responsibility of the customer.

⚡💻 Reliable Performance for Your HP Laptop

Power up your HP laptop with the HP CQ42 / CQ42-4-3S2P 10.8V 5200mAh 6-cell Li-ion battery (10.8V, 5200mAh) for longer runtime and reliable performance.

It’s a perfect replacement for your original HP battery — offering full compatibility, excellent durability, and built-in safety features to keep your device running efficiently at work, school, or on the go.

🧩 Compatibility Check

Before purchasing, please confirm your system model and original battery part number (HP CQ42 or CQ42-4-3S2P) to ensure compatibility.

🔍 How to Find Your System Model

1. Press Windows + R → type msinfo32 → click OK.

2. In System Information, select System Summary.

3. Locate System Model on the right.

4. Use this model info to confirm the correct battery before purchase.

⚙️ Key Features

✔️ High-capacity 5200 mAh / 10.8 V 6-cell Li-ion battery for longer backup

✔️ 100 % compatible with HP laptops using HSTNN-DB0W or JC042 batteries

✔️ Built-in protection from overcharge, overdischarge, overcurrent, and short circuit

✔️ Complies with CE & RoHS safety and quality standards

✔️ Designed to meet or exceed OEM performance

✔️ Ideal replacement to restore battery life and portability

🛑 Safety & Handling

✦ Do not use swollen, damaged, or bent batteries.

✦ Never attempt to disassemble battery cells or packs.

✦ Always use the designated charger.

✦ Do not expose the battery to fire, water, or high temperatures.

⚠️ Important Return Notice

* Due to the classification of batteries as hazardous goods, please do not return this item on your own.

* Batteries require specific labeling, packaging, and courier handling under strict safety regulations.

* Contact us before initiating any return.

* Unauthorized returns may not be processed, and refunds or replacements cannot be offered for incorrectly shipped batteries.

* Damaged or defective cells are strictly prohibited from transport.

💰 All Prices are Exclusive of VAT

🧠 General Product & Performance Information

❓ Are these OEM batteries?

No. They’re high-quality compatible units engineered to meet or exceed OEM standards.

⚡ Typical lifespan: 2–3 years or 500–800 charge cycles (usage dependent).

💻 AC Adapter Use: Most laptops can run on AC power alone, though some may experience reduced performance.

🔋 Higher-capacity option: Upgrading to a 6-cell from a 4-cell increases runtime safely.

⚙️ Pre-charge: Partially charged for transport; fully charge before first use.

● The buyer can cancel orders before dispatch for a full refund within 28 days.

● Damaged or defective goods must be reported and returned within 28 days for a refund or replacement.

● Returns must be in original packaging, at the buyer's expense, and insured.

● Faulty products under warranty can be returned for a refund or replacement, excluding return postage costs.

Payments:
We accept bank transfer, PayPal and all types of Cards. Please note, bank transfers may take some time to reflect.

Support:
info@wikiparts.co.uk

Warranty

Discover warranty information for each item.

Compatible

All our products are fully compatible

Shipping

Same day shipping order before 2.30pm