The alternator I bought from you doesn't work.

Each alternator is bench-tested before shipping. Apparent failure is usually due to ordering the wrong unit, shipping damage, or installation mistakes. Verify the part number, inspect for damage, and review the proper installation steps (Technical Tip TT-648) before contacting support.

The alternator I bought from you doesn't "put out".

Low-output symptoms are often caused by factors outside the alternator. Measure voltage directly at the rear of the unit with a digital meter; if readings seem low, check the common issues listed below or return the alternator for a free bench test.

High-output alternators ship with an overdrive pulley that may require a belt about 1 inch shorter than stock. Use a quality, oil-free belt to prevent slip and ensure full output.

Regulator plug not plugged in, not seated properly or pinched wire

Make sure the small regulator plug on the alternator is fully seated and oriented correctly. A pinched or missing connection will prevent charging. Self-exciting models (e.g., Fitzall 220A+) do not use this plug.

Battery warning light bulb in dash missing, blown or bad connection

Some vehicles rely on the dash battery-warning bulb to excite the alternator. A blown, missing, or poorly connected bulb can cause a no-charge condition.

Customer changed alternator pulley

Replacing the supplied overdrive pulley with a larger-diameter pulley slows the alternator and decreases charge output.

Vehicle crankshaft pulley diameter too small

Aftermarket under-drive crank pulleys spin accessories more slowly and can severely reduce alternator output. Ensure the crank pulley is at least OEM size.

Main vehicle charge wire too small or not upgraded

Factory charge wiring is sized for OE amperage. When loads rise, upgrade to a heavier-gauge cable such as the Big Zero kit to avoid voltage drop and false low-output symptoms.

Too many grounds, insufficient grounds, or just bad wiring

Improper, corroded, or excessive grounds-as well as undersized or poorly crimped wires-can cripple alternator performance. Have a qualified technician inspect and correct wiring.

Bad, old, weak, damaged or cheap battery

Weak or inexpensive batteries-especially some gel-cell types-may not accept the alternator's current. Use a healthy wet-cell battery with sufficient cold-cranking amps.

Alternator possibly damaged during installation

High-output units contain sensitive electronics. Skipping the recommended battery-disconnect procedure or other steps in Technical Tip TT-648 can damage the regulator and cause no-charge conditions.

The alternator I bought from you doesn't fit.

Direct-fit models require no hardware changes. Universal Fitzall 220A+ units need custom brackets and may require a shorter belt.

Do you sell brackets, spacers or hardware to mount the Fitzall on my particular application?

Due to the vast number of vehicles, PowerBastards does not supply custom mounting hardware. Most customers fabricate brackets themselves or hire a qualified shop.

I tested my alternator and it only makes 30A.

Alternators supply only the amperage the system demands. Clip-on amp meters can be inaccurate; 30 amps may be normal at low load. Send the unit in for a free certified output test if in doubt.

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High Output Alternators for Land Rover

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Discover the perfect power upgrade with High Output Alternators for Land Rover from PowerBastards. These alternators are engineered to handle the demanding electrical needs of Land Rover vehicles, delivering dependable power whether you're exploring rugged trails or driving in the city.

Reliable Performance for Every Adventure

A stock alternator often struggles to keep up when you add off-road lights, winches, upgraded audio, or extra electronic accessories. Our Land Rover high amp alternator options provide the electrical output needed to keep every system running smoothly. With a stronger alternator, you avoid common issues like dimming lights, battery drain, and electronic glitches.

Designed to support modern Land Rover builds, our alternators keep voltage stable under heavy loads. When you choose a Land Rover performance alternator, you can run high-demand gear confidently without worrying about power shortages.

Heavy Duty and Built to Last

Our High Output Alternators for Land Rover are designed for tough conditions. From dusty trails to wet, muddy adventures, these units hold up against heat, vibration, and extreme usage. Each Land Rover alternator upgrade is carefully crafted to exceed OEM standards, making them a perfect choice for serious off-road enthusiasts and daily drivers alike.

A high amperage alternator for Land Rover helps extend battery life and protect delicate electronics by reducing strain on the system. This upgrade is ideal for Land Rover owners who rely on equipment like air compressors, fridge units, lighting kits, and advanced winching systems.

Easy Fit for Popular Land Rover Models

PowerBastards offers High Output Alternators for Land Rover models including Range Rover, Defender, Discovery, and Evoque. Every aftermarket alternator Land Rover solution is designed for a direct fit, which means no complicated modifications or extra adapters are needed.

Compatible Land Rover Models

Range Rover: Perfect for luxury SUVs that demand strong, reliable electrical power to support advanced technology, premium audio systems, and comfort features.
Defender: Ideal for rugged off-road builds that use winches, heavy lighting setups, and other high-draw accessories in remote environments.
Discovery: Supports versatile family or adventure vehicles that need stable power for added electronics, roof tents, or overland gear.
Evoque: Great for compact, urban-friendly Land Rovers equipped with modern tech and extra electronic upgrades that require dependable power.

Whether you're outfitting a Defender for overlanding trips or enhancing a Range Rover for urban luxury, these alternators keep your vehicle's electrical system ready for anything. Each option is made to deliver reliable performance and easy installation.

Maximize Your Electrical Power

A heavy-duty alternator Land Rover upgrade gives you the flexibility to power everything at once. From rooftop tents with integrated lighting to powerful stereo systems, a Land Rover high amp alternator ensures you have enough current for all your adventures.

Choosing a Land Rover performance alternator is a smart investment in your vehicle's capability and reliability. With stronger, consistent power delivery, you protect your battery, avoid voltage drops, and extend the lifespan of essential components.

Browse our range of high-output alternators for Land Rover today and find the right fit for your build. Equip your Land Rover with a high-quality, reliable alternator that keeps up with your adventures — wherever they take you.