HP 135W 7.4mm Laptop Adaptor is available at Mascom International for KSh 2,800, brand new and sealed, delivering 19V at 7.1A through the 7.4x5.0mm big pin connector. That output works out to 135 watts, the level older HP gaming notebooks, mobile workstations and some HP all-in-one desktops ask for. The HP 135W 7.4mm Laptop Adaptor is a replacement adaptor for HP laptops and all-in-ones, built as a two-piece brick with an attached DC cable and a detachable mains cord. Stock sits at our Old Mutual Building shop on Kimathi Street in Nairobi CBD, ready for collection or pay-on-arrival delivery.
Built for developers, video editors, architects and PC gamers across Kenya, the HP 135W 7.4mm Laptop Adaptor keeps high-draw machines charging while they work hard. A problem we hear about often: someone plugs a 90W charger into a 135W notebook, and the battery still drains during a render or a gaming session. Some HP machines refuse to charge at all, or slow the processor, when the adaptor is too weak. The HP 135W 7.4mm Laptop Adaptor fixes that by matching the rating, so the battery fills while the processor and graphics chip run at their normal speed through a long day in Westlands or Industrial Area.
Where most Nairobi electronics shops hand over whatever charger has the right plug, Mascom International checks the voltage, current and wattage against your machine before you pay. Customers across Nairobi tell us they came to us after a lower-rated charger from elsewhere ran hot or would not charge. Send your laptop model or a photo of the label on your old adaptor to our WhatsApp, and we confirm the HP 135W 7.4mm Laptop Adaptor fits before dispatch. Walk into the Kimathi Street shop to test it on your machine, or order for pay-on-arrival delivery to any of Kenya's 47 counties.
Common Questions About the HP 135W 7.4mm Laptop Adaptor
How much is the HP 135W 7.4mm Laptop Adaptor in Kenya?
The HP 135W 7.4mm Laptop Adaptor costs KSh 2,800, brand new, at Mascom International on Kimathi Street in Nairobi CBD. That price covers the adaptor brick with its attached DC cable, the detachable mains cord and a 6-month warranty. You pay on arrival when it is delivered, with no deposit. It costs KSh 1,200 more than the HP 90W 7.4mm Laptop Adaptor, which is the better buy only when your HP laptop is rated for 90W or less.
Which HP laptops does the HP 135W 7.4mm Laptop Adaptor fit?
The HP 135W 7.4mm Laptop Adaptor fits HP machines that take 19V input through the 7.4x5.0mm big pin and need 135 watts. That group mainly covers older HP gaming notebooks, mobile workstations and some HP all-in-one desktops. Check the label under your laptop or on your old adaptor for 19V, 7.1A or 135W. The fastest route is to send that label photo or your exact model number to +254 708 852 521 on WhatsApp, and Mascom International confirms the fit before dispatch.
Should I choose the HP 135W 7.4mm Laptop Adaptor or the HP 90W 7.4mm Laptop Adaptor?
Choose the HP 135W 7.4mm Laptop Adaptor if your laptop or all-in-one is rated for 135W, and the 90W model if it is rated for 90W. Both share the 7.4x5.0mm big pin and a 19V output, but the 135W unit supplies 7.1A against 4.74A. The 90W costs KSh 1,600, saving KSh 1,200. A 135W adaptor also runs a 19V 90W laptop safely, because the laptop draws only what it needs. The reverse often falls short under heavy load.
Will the HP 135W 7.4mm Laptop Adaptor cope with KPLC power cuts and surges?
The HP 135W 7.4mm Laptop Adaptor handles normal outages well, since the laptop simply switches to its battery when KPLC power drops. Surges are the bigger risk, especially the spike when power returns after a blackout. Plug the mains cord into a surge protector or a UPS rather than straight into the wall, and unplug it during thunderstorms. In dusty places such as construction sites or Industrial Area workshops, wipe the pin and the laptop socket now and then so the connection stays firm.
Why does my HP gaming laptop stop charging with a smaller adaptor?
HP big pin laptops read the adaptor's rating through the thin centre pin inside the 7.4x5.0mm plug. When that rating is below what the machine needs, the laptop may show a warning, charge slowly, or stop charging the battery and slow the processor. A bent or worn centre pin can cause the same symptoms with a correct adaptor. The HP 135W 7.4mm Laptop Adaptor gives a 135W machine the rating it expects, which clears these problems when the old adaptor was the cause.
Who should buy the HP 135W 7.4mm Laptop Adaptor, and who should skip it?
Buy the HP 135W 7.4mm Laptop Adaptor if your HP machine is rated 135W, or if you run a 19V 90W laptop and want a spare with headroom. Skip it if your laptop uses the smaller blue-tipped HP connector or charges over USB-C; the HP 65W Blue Pin Laptop Adaptor or the HP Spectre 65W USB-C Laptop Adaptor suits those ports. Owners of everyday 65W big pin office notebooks save money with the HP 65W 7.4mm Laptop Adaptor at KSh 1,600.
Is a 135W adaptor too bulky to carry every day?
A 135W brick is bigger and heavier than a 65W or 90W unit, because it handles more current and needs more room to shed heat. Most owners of these machines keep it at the desk and carry it only when needed. On matatu or boda boda trips, coil the cables loosely rather than wrapping them tight around the brick, which strains the joints. Keep it in a padded bag pocket away from water bottles, especially during the long rains.
Can the HP 135W 7.4mm Laptop Adaptor power an HP all-in-one desktop?
Yes, some HP all-in-one desktops use 19V at 7.1A through the same 7.4x5.0mm big pin, and the HP 135W 7.4mm Laptop Adaptor runs those. Other HP all-in-ones use different voltages, higher currents or another plug, so check the label on the back of the computer or on its old brick. Offices in Upper Hill and Kilimani often bring us their reception all-in-ones. Send the label photo on WhatsApp and Mascom International confirms the match before you order.
Technical Specifications
Core Function and Power Output
- 19V output at 7.1A — multiplied together that gives 135 watts, enough for a high-draw HP notebook to run and charge at once.
- 135W rating reported through the centre pin — your HP machine reads it and charges normally instead of throttling the processor or showing warnings.
- Steady DC output — the brick turns mains AC into the stable direct current that a laptop battery and motherboard need to work.
- Runs on standard 240V mains — plug the detachable cord into any standard home or office socket, extension or surge protector.
- Headroom for heavy loads — gaming, video exports and 3D rendering pull more current, and 135W lets the battery keep charging through them.
- Safe on lower-rated 19V HP big pin laptops — a 90W machine draws only the current it needs, so the spare capacity sits unused.
Compatibility and Connector Fit
- 7.4x5.0mm big pin connector — a 7.4mm outer barrel with a 5.0mm opening and thin centre pin, the classic round HP plug.
- Fits HP machines rated 19V 7.1A or 135W — mainly older HP gaming notebooks, mobile workstations and some HP all-in-one desktops.
- Check the label first — the rating printed under your laptop or on the old brick tells you whether 135W is the right match.
- Not for blue-tipped HP plugs or USB-C ports — newer HP laptops with those connectors need a different adaptor from our range.
- Not interchangeable with Dell 7.4mm plugs — the Dell connector looks alike, but HP and Dell laptops identify their adaptors differently.
- WhatsApp fit check — send your model number or old adaptor photo to +254 708 852 521 and we confirm fit before dispatch.
Build and Safe Use
- Two-piece brick design — the body holds the electronics, with the DC cable fixed on one side and a mains socket on the other.
- Detachable mains cord — if the wall-side cord gets damaged, you replace that cord alone instead of buying a whole new adaptor.
- Larger body than 65W and 90W units — the extra size gives the internal parts room to spread heat during long working sessions.
- Keep it ventilated — rest the brick on a desk or floor, not on a bed or sofa, so heat escapes during heavy use.
- Surge protector advised — voltage spikes after power cuts are a frequent reason adaptors fail early, so plug in through protection.
- Pin care — keep the centre pin straight and clean, because a bent pin is a common cause of charging faults on big pin plugs.
Inclusions and Support
- Adaptor brick with an attached DC cable ending in the 7.4x5.0mm big pin plug, ready to connect to your machine.
- Detachable mains power cord that links the brick to a wall socket, extension lead or surge protector.
- Plug type confirmed on WhatsApp before dispatch, so you know exactly which mains plug reaches your door.
- 6-month warranty from Mascom International covering manufacturing defects, with claims handled at our Nairobi CBD service desk.
- Pay-on-arrival delivery across all 47 counties, with same-day delivery in Nairobi and its environs.
- In-store testing at the Kimathi Street shop — bring your laptop and see it charge on this adaptor before you pay.
Package Contents
The HP 135W 7.4mm Laptop Adaptor arrives as a two-piece set: the adaptor brick with its attached DC cable ending in the 7.4x5.0mm big pin, plus a detachable mains power cord. Kenya uses 3-pin UK-style sockets, and the plug on mains cords can vary between batches, so ask us on WhatsApp to confirm the plug type before dispatch. Every unit is brand new. The laptop, battery and surge protector are not part of the package.
Warranty
Mascom International backs the HP 135W 7.4mm Laptop Adaptor with a 6-month warranty covering manufacturing defects under normal use. If the adaptor stops delivering power or develops a fault within that period, bring it with your receipt to our service desk at Old Mutual Building in Nairobi CBD, where all warranty claims are handled in person.
Where to Buy the HP 135W 7.4mm Laptop Adaptor in Kenya
The HP 135W 7.4mm Laptop Adaptor is in stock at Mascom International, Old Mutual Building, First Floor Room 4, Kimathi Street, Nairobi CBD. We open Monday through Saturday, 9:00 AM to 7:00 PM. Bring your laptop or all-in-one and we will plug it in at the counter, so you see it charge before paying. The adaptor comes in black; ask on WhatsApp if you need the finish confirmed.
Reach our team for fit checks, stock questions and orders:
- Phone/WhatsApp: +254 708 852 521
- Email: info@mascomintl.com
- Website: www.mascomintl.com
We deliver on a pay-on-arrival basis to all 47 counties. Nairobi and its environs receive orders the same day, while Nakuru, Eldoret, Kisumu, Thika and other major towns receive them within 1 business day. Mandera, Wajir, Marsabit, Lamu, Tana River, and Turkana receive delivery within 2-3 business days.
Every unit is backed by the 6-month warranty above. You get honest ratings, a fair price and real after-sales support from a shop you can walk into, so the adaptor you order is the one that runs your machine.
