D2U Alternators

03/02/2026

VAG Fitment 200amp Alternator Sale

We’re offering a VAG fitment 200amp alternator complete with an external adjustable regulator, ideal for vehicles running small lithium battery banks or upgraded electrical systems.

Specification:

• Output: 200amp

• Fitment: VAG (VW / Audi platforms)

• Regulation: External adjustable regulator

• Adjustable voltage range: 13.5V – 15.5V

• Supplied ready to fit

Ideal for:

• Small lithium battery banks

• Upgraded audio or auxiliary systems

• Track, fast road, and daily vehicles

• Applications where stable adjustable charging is required

These are simple, reliable, cost-effective alternators — no gimmicks, just proven performance.

Price:

💷 £200 delivered (UK)

Limited availability.

For orders or questions, message the page directly.

27/01/2026

D2U Alternators – Payday Sale

From 28th January to 1st February, we’re offering 15% off selected high-output alternators, with free UK shipping included.

Alternators included in this sale:

• 270amp alternator
Normally £350 → £297.50

• 400amp alternator
Normally £550 → £467.50

• 500amp alternator
Normally £650 → £552.50

What’s included:
• Transpo F540HD 13.5-15.5v external regulator supplied FOC
• Free UK shipping
• Hand-built and load tested

Typical applications:

• Car audio systems
Suitable for sustained charging of large lithium banks and high-power multi-amplifier systems.

• Camper / van / off-grid systems
Well suited to lithium leisure batteries, high-power inverters and continuous onboard electrical loads.

• Recovery vehicles and winch challenge builds
Designed to handle high current draw from electric winches and auxiliary equipment under sustained load.

Please note:
We’re currently very busy behind the scenes building and testing units. We’ll respond to all enquiries as quickly as possible, but replies may take a little longer than usual. Thanks for your patience.

Sale period: 28th January to 1st February

For orders or technical advice, message the page directly.

02/01/2026

🎉 NEW YEAR KICKSTART SALE 🎉

We hope you all had a great Christmas and New Year 🎄✨

Missed out on our Black Friday sale? No worries — we’ve got you covered!

We’ve decided to launch this offer so you can put that Christmas money to good use 💰

⚡ 20% OFF all alternators 270amp – 400amp

⏳ Sale now on until 9th January

🌐 Order via our website and use code NY20 at checkout

👉 www.d2ualternators.com

📩 Or DM us to order

30/12/2025

🔊🔋 Car Audio Lithium Upgrade – Toshiba SCiB 20Ah Cells 🔋🔊

Serious power for high-output car audio systems 💥

Brand new Toshiba SCiB lithium banks, ideal for SPL & demo builds that demand fast discharge and rock-solid voltage.

⚡ £250 per bank

⚡ Brand new – capacity tested above 20Ah

⚡ Supplied with link bars & balancer

⚡ Capable of 5–6kW per bank when paired with a 200A+ high-output alternator

⚡ Extremely low internal resistance – excellent voltage stability under heavy bass

📦 60 banks available – first come, first served

🔧 Custom busbars available, For multiple banks / larger systems, £30 per bank (made to order)

📩 Message to secure yours or spec a multi-bank setup.

25/12/2025

Merry Christmas to all our past present & Future Customers from all of us here at D2U Alternators

25/11/2025

🔥 BLACK FRIDAY MEGA SALE! 🔥

D2U Alternators is kicking off the biggest deal of the year — and it’s one you don’t want to miss! ⚡

From now until 01/12/25, get a massive 20% OFF ALL ORDERS, including our highly sought-after High Output Alternators! Perfect for car audio builds, off-road setups, and any ride that needs serious power.

⚠️ Please Note: Due to extremely high demand during the Black Friday period, delivery lead time is approximately 8–10 weeks. Every unit is built with precision, and the wait is well worth the performance.

🛠️ 20% OFF EVERYTHING

⏳ Approx. 8–10 Week Delivery on Black Friday Orders

📅 Sale ends 01/12/25

🚚 Premium quality, trusted performance

Don’t miss out — lock in your order now and upgrade your power game!

👉 Shop today and save BIG with D2U Alternators!

17/10/2025

🚨 DON’T MISS OUT – THEY’RE FLYING OUT THICK AND FAST! 🔥

Our sister page has just dropped an insane offer on Sundown M Series 12” subs — and stock is vanishing quick!

👉 4 units in stock UK-side
👉 2 × Dual 1 Ω & 2 × Dual 2 Ω
👉 £549.99 each, shipped UK wide
👉 More available to order from Sundown USA via us

But here’s the kicker — the larger M Series subs are already earning their stripes in our D2U Alternators demo vehicle, the one that just smashed the Propper Droppers Walled+ UK record.

The van pulled a 162.20 dB Average (peak 162.71 dB @ 40 Hz, 162.40 @ 33 Hz, 162.27 @ 25 Hz, 160.89 @ 20 Hz) in competition, Propper Droppers

So yeah — these 12” M’s you see? They’re siblings to the monsters lived by the UK record vehicle. Grab yours before UK stock dries up!

📥 Slide into ’s DMs to lock in the coil version you want — or get setup to order more from the States.

🚨 IN STOCK NOW – ONLY 4 AVAILABLE! 🚨

🇬🇧 LINEAR AUDIO UK – OFFICIAL UK DISTRIBUTOR FOR SUNDOWN AUDIO 🇬🇧

🔥 SUNDOWN AUDIO M SERIES 12” SUBWOOFERS – £549.99 SHIPPED UK WIDE 🔥

💥 4 UNITS IN STOCK RIGHT HERE IN THE UK – READY TO SHIP!

👉 2x Dual 1 Ohm

👉 2x Dual 2 Ohm

📦 Need more? Additional units available to order direct from Sundown USA – fast, secure delivery through us!

🧨 Looking for massive low-end performance in a tighter footprint? The M Series 12” is a savage mix of daily street bass and competition-ready muscle. Compact, deadly, and built like a tank.

🔊 SPECS:
Size: 12”
Voice Coil Options: Dual 1 Ohm / Dual 2 Ohm
Power Handling: 2000W RMS
Motor: Triple stacked ferrite
Cooling: Vented backplate & pole-piece for max heat dissipation
Suspension: Heavy-duty spider pack with stitched surround
Weight: ~60 lbs (27.2kg) – seriously solid build!

💸 £549.99 EACH – SHIPPED ANYWHERE IN THE UK!

💬 Message us now to secure your preferred coil configuration – first come, first served!

📦 Don’t miss out – UK stock is limited, but more are available to order directly from Sundown USA via us.

🔧 Whether you're upgrading your daily or chasing SPL goals, the M Series 12" hits hard every time.

📍 Linear Audio UK – Your Direct Line to Real Bass

📥 DM to order or ask questions!

17/02/2025

🔈IMPORTANT ANNOUNCEMENT🔈

We are please to announce the launch of our new sister company!!

Linear Audio UK🔈🔈

We are the UK’s only & Official Distributor of Sundown Audio 🔈🔈
Please like and share our page and keep an eye on all our Socials to keep up to date the latest products and exclusive Deals!

If you have any sales or product enquiries feel free to contact us directly on any of our platforms.

Electronics

29/01/2025

📣 Exciting News from D2U Alternators! 🎉

We are thrilled to announce that after much deliberation, D2U Alternators is now the official distributor of Sundown Audio in the UK! 🇬🇧✨

This means we’ll be covering the entire UK, bringing you the high-quality audio products you’ve been waiting for. Our dedicated representatives are already in place across Liverpool, Manchester, and Derby, ready to assist you. 🏙️🤝

Stay tuned for some exciting offerings coming your way in the near future! You won't want to miss out on the incredible deals we have in store. 💰🔊

And keep an eye out for our brand new website section and page: Linear Audio UK! 📈 We're working hard to bring you the latest and greatest in audio technology and accessories. From amplifiers to speakers, and everything in between, Linear Audio UK will be your go-to destination for all your audio needs.

Thank you for your continued support, and get ready to elevate your audio experience with Sundown Audio, D2U Alternators, and Linear Audio UK! 🚀🎶

Message us now for more information! 💬

22/01/2025

One stunning looking pair of 500amp VAG fitment alternator under testing , almost ready to ship out tomorrow to a customer in Bulgaria🔋💥

Testing just over 600amp at 15.6v peak output and easily over 500amp HOT for dynamic battery charging, these alternators are ready to feed a ton of power to the thousands of watts of power amplifiers installed in this competition audio vehicle 🔈🔉🔊

With adjustable voltage , these can be used to keep a range of battery types and sizes charged ranging from AGM & Lithium to state of the art Sodium batteries 🪫🔋

Get in touch with us if you need something like this for your vehicle. 👌

Power up with our advanced alternators and experience the difference! 💪💪

27/12/2024

**🎉 New Year Power Sale! ⚡🔋**

We hope you all had a fantastic Christmas! We're excited to announce a special extension of our Black Friday discount after its wonderful success!

For a limited time, we’re offering an exclusive **20% discount** on all alternators, regulators, and accessories. Whether you're looking for a 200 amp to a 500 amp alternator, lithium bank plates, cables, or high-performance regulators, we’ve got you covered! ⚡️🔌🔋

🗓️ **Sale Period:** Now until New Year's Day!

Don’t miss this fantastic opportunity to upgrade your power supply! 💥⚡️💪 Take advantage of these incredible savings before it's too late! 💰✨

Happy New Year! 🎊🔋⚡

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Feel free to share this announcement with anyone who might benefit from it! 💬

D2U Alternators

28/11/2024

I am excited to share the details of our highly anticipated Black Friday sale! 🎉

For the second time, we’re thrilled to offer you an exclusive 20% discount on all alternators ranging from 200 amps to 500 amps. ⚡️

This limited-time sale will run from Friday to Sunday only, so be sure to seize this incredible opportunity. 🗓️ Don’t hesitate—take advantage of these fantastic savings while you can! 💰

Don’t miss out on this amazing chance to upgrade your power supply! 🚀✨
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