Why Choose Alpha Series H1 Micro LED Bulbs?
Alpha Series H1 Micro LED Bulbs are designed to solve one of the biggest problems with H1 LED upgrades: tight rear clearance. Many H1 applications, especially aftermarket semi-truck headlights, compact automotive housings, fog lights, driving lights, motorcycles, powersports lights, and auxiliary housings, do not leave much room behind the bulb.
That is where the Alpha Series H1 Micro stands out. Instead of using a bulky rear heat sink or oversized fan assembly, this compact H1 LED bulb measures approximately 2 1/4″ end to end and protrudes only about 3/4″ behind the socket. That makes it a strong LED upgrade option for compatible H1 housings where normal H1 LED bulbs may be too long, too bulky, or difficult to seal behind the housing.
If you have tried fitting H1 LED bulbs and ran into clearance problems, rear cover issues, tight retaining clips, or limited space behind the light, the Alpha Series H1 Micro was built for that exact problem.
Key Features & Benefits
Ultra-Compact Micro H1 Design
The Alpha Series H1 Micro LED Bulb is built around a small, space-saving body designed for tight H1 applications. With an overall length of approximately 2 1/4″ and only about 3/4″ protruding behind the socket, it is made for housings where standard H1 LED bulbs may not physically fit.
Built for Tight Headlight, Fog, and Auxiliary Housings
Many H1 bulb positions are used in applications where space is limited. This is common in aftermarket big rig headlights, compact automotive housings, fog lights, driving lights, auxiliary lights, motorcycles, and powersports lighting. The H1 Micro gives customers a better option when rear clearance is the limiting factor.
Strong LED Output in a Small Package
The Alpha Series H1 Micro is lab-tested at approximately 3,600 raw lumens initial output and approximately 2,400 raw lumens stable output after 30 minutes. That gives this compact H1 LED bulb strong performance without relying on an oversized rear body.
6500K-Class Cool White Light
These H1 Micro LED Bulbs produce a clean 6500K-class cool white output. This gives compatible headlights, fog lights, driving lights, and auxiliary lights a crisp modern LED appearance.
7035 LED Chip Design
The Alpha Series H1 Micro uses a 7035 LED chip design to deliver strong light output from a compact bulb platform. This helps create a practical balance of brightness, size, and heat control for tight H1 applications.
Active Micro-Fan Cooling
The compact cooling system uses a micro fan to help control heat in a tight bulb body. Fan specs include a 12.8mm fan diameter, 10.5mm fan thickness, 14,500 RPM speed, 1.26 CFM airflow, and an oil-impregnated bearing.
Sold as a Pair
Each order includes two Alpha Series H1 Micro LED Bulbs. This makes it easy to upgrade both matching left and right bulb positions at the same time.
Lifetime Warranty Coverage
Alpha Series H1 Micro LED Bulbs are backed by lifetime warranty coverage, giving you added confidence in your lighting upgrade.
Performance, Compatibility & Use Case
The Alpha Series H1 Micro LED Bulbs are designed for compatible applications that use an H1 bulb size. They are especially useful in tight housings where a larger H1 LED bulb may interfere with the rear cover, retaining clip, wiring path, or available space behind the bulb.
Possible applications may include select:
Headlight housings
High beam positions
Low beam positions
Fog light housings
Driving lights
Auxiliary lights
Aftermarket semi-truck headlights
Pickup truck lighting applications
Automotive lighting applications
Motorcycle lighting applications
Powersports lighting applications
Custom lighting builds
Compatibility depends on the vehicle, housing, socket, retaining clip, wiring position, dust cover, and available space behind the bulb. Always confirm your current bulb size is H1 before ordering.
For regulated on-road headlight use, confirm local laws before installing LED retrofit bulbs. Road-use legality varies by vehicle, housing, and location.
Installation, Fitment & Technical Details
The Alpha Series H1 Micro is designed for H1 applications where standard LED bulbs may create installation problems. Before ordering, remove your existing bulb and confirm the bulb size, rear clearance, retaining clip position, wiring path, and dust cover clearance.
Technical details:
Bulb Size: H1
Product Name: H1 Micro LED Bulbs | Alpha Series Lighting
Sold As: Pair
Overall Length: Approximately 2 1/4″ end to end
Rear Protrusion: Approximately 3/4″ behind the socket
Output: Approximately 3,600 raw lumens initial, 2,400 raw lumens stable after 30 minutes
Power: Approximately 32W initial, 23W stable after 30 minutes
Color Output: 6500K-class cool white
Chip: 7035
Fan Diameter: 12.8mm
Fan Thickness: 10.5mm
Fan Speed: 14,500 RPM
Airflow: 1.26 CFM
Bearing: Oil-impregnated bearing
Warranty: Lifetime warranty coverage
Because H1 applications vary widely, fitment should be confirmed by bulb size and housing clearance, not by vehicle model alone.
Build Quality, Warranty & Trust Signals
Alpha Series H1 Micro LED Bulbs are built for customers who need a compact H1 LED upgrade, not another oversized bulb that fights the housing. The main advantage is the micro body design, making this bulb a strong option for H1 housings where standard LED replacements may be too long, too bulky, or hard to seal behind the housing.
The 7035 LED chip design delivers strong 6500K-class output, while the active micro-fan cooling system helps manage heat inside the compact bulb body. Each pair is backed by lifetime warranty coverage through Alpha Series Lighting.
What’s Included
2 x H1 Micro LED Bulbs | Alpha Series Lighting
Lifetime warranty coverage
G) Frequently Asked Questions About H1 Micro LED Bulbs | Alpha Series Lighting
What makes the Alpha Series H1 Micro different from standard H1 LED bulbs?
The Alpha Series H1 Micro is built with an ultra-compact body for tight H1 applications. It measures approximately 2 1/4″ end to end and protrudes only about 3/4″ behind the socket, making it a better option for housings where larger H1 LED bulbs may not clear the rear cover or available space.
Will these H1 LED bulbs fit my vehicle?
These bulbs are designed for compatible applications that use an H1 bulb size. Vehicle fitment depends on the housing, socket, retaining clip, wiring path, dust cover, and rear clearance, so always confirm your current bulb size is H1 before ordering.
Are these good for aftermarket semi-truck headlights?
Yes, they can be a strong option for compatible aftermarket semi-truck headlights that use H1 bulbs, especially when rear clearance is limited. Many aftermarket big rig headlight housings have tight space behind the bulb, which is exactly where the H1 Micro design helps.
Why do some H1 LED bulbs not fit?
Some H1 LED bulbs use a large rear heat sink, fan, wiring assembly, or external body that extends too far behind the socket. In tight housings, this can prevent the bulb from seating properly, stop the dust cover from closing, or interfere with the retaining clip.
Can I close my dust cover with these bulbs installed?
The H1 Micro is designed to reduce rear clearance issues, but dust cover fit depends on the exact housing. Check the space behind your H1 bulb and confirm the cover can close without pinching the wiring.
Can I use these as H1 high beam bulbs?
Yes, these may be used in compatible H1 high beam applications where LED retrofit bulbs are permitted and where the housing has enough clearance. Always confirm bulb size, housing fitment, and local road-use regulations before installing.
Can I use these in H1 fog lights or driving lights?
Yes, these bulbs may work in compatible H1 fog light, driving light, and auxiliary light applications. Fitment still depends on the socket, housing depth, retaining clip, wiring path, and rear cover clearance.
Are H1 LED bulbs dual beam?
No, H1 bulbs are typically used for a single lighting function. Depending on the housing, an H1 bulb may be used for high beam, low beam, fog light, driving light, or auxiliary lighting, but it is not a dual-beam H4-style bulb.
How bright are the Alpha Series H1 Micro LED Bulbs?
The supplied lab data lists approximately 3,600 raw lumens initial output and approximately 2,400 raw lumens stable output after 30 minutes. Real-world beam performance depends on the housing, reflector or projector design, bulb alignment, and lens condition.
What color temperature are these H1 Micro LED Bulbs?
These bulbs produce a 6500K-class cool white output. This gives the light a clean, crisp LED appearance.
Are these H1 Micro LED Bulbs sold individually or as a pair?
They are sold as a pair. Each order includes two H1 Micro LED Bulbs from Alpha Series Lighting.
Do these bulbs come with a warranty?
Yes. H1 Micro LED Bulbs | Alpha Series Lighting are backed by lifetime warranty coverage.
Are these H1 LED bulbs street legal?
Road-use legality varies by vehicle, housing, and location. These bulbs should only be used in applications where LED retrofit bulbs are permitted, and customers should confirm local regulations before using them in regulated on-road headlight positions.
