

HP 135W Compatible Laptop Adapter (19.5V, 6.92A) – 7.4mm × 5.0mm Big Pin
Professional-grade 135W replacement adapter engineered for a wide range of HP EliteBook, ProBook, Compaq and workstation systems. Delivers stable, efficient power with the OEM-style 7.4mm × 5.0mm big-pin connector — ideal for business notebooks, mobile workstations and All-in-One desktops.
Technical Specifications
19.5V — 6.92A (135W)
7.4mm × 5.0mm (Big Pin)
100–240V ~ 50/60Hz
Durable housing with reinforced cable
OVP / OCP / SCP / Thermal Protection
1 Year Replacement
Key Advantages
Delivers reliable power for demanding business and professional HP systems, including mobile workstations.
7.4 × 5.0mm connector ensures a secure fit and efficient contact for compatible HP models.
Protects your device from voltage spikes, overloads and short circuits, extending battery and system life.
Efficient design keeps temperatures low during long sessions and heavy workloads.
Compatibility
Compatible with HP systems that require 19.5V/6.92A and a 7.4mm × 5.0mm big-pin connector. Common compatible models include
| Series / Type | Models |
|---|---|
| EliteBook (Notebooks & Mobile Workstations) | 6930p, 8530p, 8530w, 8540w, 8440w, 8440p, 8460p, 8470p, 8560p, 8570p, 2560p, 2760p |
| Mobile Workstations (Compaq / HP) | 8510w, 8710w, 8730w, 8460w, 8470w, 8570w, 8770w, nw9440 |
| Compaq / Elite Desktops & Thin Clients | Compaq 8000 Elite Ultra-slim, Compaq 8200 Elite Ultra-slim, Compaq 8300 Elite Ultra-slim, DC7800 USDT, DC7900 USDT |
| EliteDesk / ProDesk / Business PCs | EliteDesk 800 G1, ProDesk 600 G1 |
| All-in-One / Envy | ENVY 23-1070A All-in-One Desktop PC, ENVY 23 series |
What's Inside the Box
- 1 × HP Compatible 135W Big Pin Adapter (19.5V, 6.92A)
- User Setup Guide
- Warranty Card (1 Year)
Installation & Safety Tips
- Verify your laptop's required voltage and connector type before first use.
- Do not forcibly insert the connector — ensure correct alignment.
- Avoid twisting or sharply bending the cable at the connector.
- Keep the adapter ventilated and away from liquids or excessive dust.
Frequently Asked Questions
Will this adapter work with my EliteBook mobile workstation?
Yes — models listed under EliteBook and Mobile Workstation series that require 19.5V/6.92A and a 7.4×5.0mm big-pin connector are compatible.
Can I use this with HP desktop mini or AIO systems?
Many HP EliteDesk, ProDesk and ENVY All-in-One models listed are supported; confirm your device's required voltage and connector before purchase.
Does the product include warranty support?
Yes — the adapter includes a 1-year replacement warranty.
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Customer Support
Mail: care@partsbaba.com
Mainly across India, even covering small villages, towns, districts & major cities.
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- Usually Takes 2 Days to deliver in Major Cities, 3 Days to Districts, 4-6 Days to Small Backward areas especially of North East States.
- In case of cancellation, refunds will be initiated according to Refund Policy.
- Please allow 1-2 business days for your order to be dispatched and it will take about 3-4 additional days for it to reach you depending on your proximity to our dispatch location.
- Normally for orders placed before 1 PM on a business day, we aim to ship the same day, provided that the card security checks are complete, payment is received and the stock availability is confirmed.
- During busy times, such as holiday periods, there can be processing and shipping delays.
- The orders cannot be shipped to PO boxes or military addresses, and rural domestic addresses require one or more additional days to deliver.
- You will be notified by us the product is recently marked as “Out of Stock“, then it’s completely on the user to request for Refunds or Wait till the items get available.
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Return, Refund & Cancellation Policy
Eligibility for Returns and Exchanges
We accept returns and exchanges for both defective and non-defective products under the following conditions:
- Condition: Items must be in new or slightly used condition, with all original tags, accessories, and packaging intact.
- Window: Requests must be initiated within 15 days of delivery.
Exceptions:
Certain products marked as “Non-Returnable” on the product description page are not eligible for returns or exchanges.
How to Return or Exchange
You can choose either of the following methods:
- By Mail: Pack the product securely with all original tags, accessories, and packaging. Clearly write our address and contact number on a piece of paper and stick it to the return box. A delivery agent will come to your doorstep to pickup the parcel within 2 days.
- In-Store: Visit our store to return or exchange the product (incase this is more convenient to you).
Once we receive the product, our team will conduct a quality check. For defective or damaged items, we will process your exchange or refund immediately after verification.
Replacement: Subject to stock availability. If unavailable, a refund will be processed.
Refund Policy
We process refunds for items returned in accordance with this policy:
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Refund Methods:
- Prepaid Orders (Credit/Debit Card, Net Banking): Refunds are initiated within 3 business days of approval. Depending on your bank, the amount may reflect within 5–7 business days.
- Cash on Delivery Orders: Bank transfers are completed within 5–7 business days after receiving your account details.
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Refund Timeline: Refunds are issued promptly after quality checks are completed.
Non-Returnable Items
We may not be able to process returns or exchanges in the following cases:
- Return requests made after the 15-day window.
- Missing tags, accessories, or original packaging.
- Products damaged due to misuse, improper handling, or unauthorized repairs.
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