PricepectAI-Verified Comparisons

Comparisons About

⌘K

Pricepect

Independent product comparisons to help you buy smarter.

Browse

Categories
Comparisons
Spec Comparisons
Head-to-Head
Search

Info

About
Privacy Policy
Terms of Service

Top Categories

Electronics
Home & Kitchen
Sports & Outdoors
Automotive

✓ Independent & Unbiased✓ AI-Verified Data✓ Expert-Reviewed

Pricepect participates in the Amazon Services LLC Associates Program. As an Amazon Associate, we earn from qualifying purchases. © 2026 Pricepect. All rights reserved.

Ulanzi SL03 Mini — Review & Specs | Pricepect | Pricepect

Home Camera FlashesUlanzi SL03 Mini

Ulanzi SL03 Mini — image 1

Ulanzi

Ulanzi SL03 Mini

Expert Review Analysis

The Ulanzi SL03 Spark Lite is an ultra‑compact on‑camera flash that combines flash and continuous 1W video light in a pocket‑sized body, weighing just 43 g. It offers a guide number of 8, USB‑C rechargeable battery, and a 90° adjustable tilt for bounce lighting, targeting travel and hybrid content creators.

✓ Best for: Travel photographers needing a feather‑light flash, content creators and vloggers who benefit from combined flash and continuous light, macro and close‑up shooters where GN8 is sufficient, and anyone seeking a compact emergency lighting backup.✗ Not ideal for: Professional event or studio photographers requiring high output, outdoor fill flash in bright daylight, action or sports shooters needing rapid burst capability, and users who need extended continuous lighting without frequent recharging.

Pros

✓Pocket-sized portability weighing only 43 grams, fits easily in pockets or camera bags.
✓Dual functionality provides both flash and continuous 1W video light in a single unit.
✓

Price History

Current

$22.45

Average

$23.48

Lowest

$18.96

Highest

$24.95

Good Deal — 4% below average

Price trend (90d):-10.0%

Best Seller Rank History

Now#25Best#20Worst#272 +140

Lower = better sales rank

Rating Trend

Rating4.2/ 5Reviews28+17 reviews -0.10

Specifications

Battery

Battery Capacity300 mAh mAh

Charging Time60 minutes minutes

Continuous Light Runtime47 minutes minutes

USB-C RuntimeUnlimited when powered via USB-C

Design

Dimensions68.6 × 43.2 × 23 mm

Weight43 g g

Flash Angle Adjustment90° adjustable tilt

Hot Shoe TypeUniversal single-pin

Features

TTL Auto MeteringYes

High-Speed SyncYes

AF Assist Light5600K LED

General

BrandUlanzi

ManufacturerULANZI

ModelSL03

Warranty1 month

CompatibilityNot compatible with Sony ZV-1F, A9III, A99, A77, A350, ZV1 Mark 2, Canon 3000D, 1500D, 200DII, R50, Fujifilm X-A3, X100F, X100T

Lighting

Guide NumberGN8 (ISO 100)

Flash Color Temperature6500K ±8% K

Flash CRI97

Continuous Light Power1 W W

Continuous Light Color Temperature5600K ±200K K

Performance

Maximum Flash Count500 flashes at full power

Recycling Time2.5 s (full), 1.5 s (1/2), 0.8 s (1/4)

Ports

Charging PortUSB Type-C

Flash

Guide NumberGN8 at ISO 100

Color Temperature (Flash)6500K ± 8%

CRI (Flash)97

Recycling Time2.5 s at 1/1 full power

Continuous Light

Illuminance≈130 lux @ 0.5 m

Dimensions & Weight

Weight0.09 pounds

Research Sources

bhphotovideo.com

Similar Products

GODOX V1, V850III & V860III Original Battery – VB26B 7.2V/2980mAh/21.45Wh Li-ion Batterypack, High-Capacity Power Solution for V850Ⅲ, V860Ⅲ, AD100Pro, V1, V1Pro, V100, MF-R76 Flash (Replaces VB26A)

GODOX V1, V850III & V860III Original Battery – VB26B 7.2V/2980mAh/21.45Wh Li-ion Batterypack, High-Capacity Power Solution for V850Ⅲ, V860Ⅲ, AD100Pro, V1, V1Pro, V100, MF-R76 Flash (Replaces VB26A)

GODOX

ULANZI VL49 2000mAh LED Video Light w 3 Cold Shoe, Rechargeable Soft Light Panel, Portable Photography Lighting for DJI OSMO Sony DSLR Canon Camera GoPro Vlogging

ULANZI VL49 2000mAh LED Video Light w 3 Cold Shoe, Rechargeable Soft Light Panel, Portable Photography Lighting for DJI OSMO Sony DSLR Canon Camera GoPro Vlogging

ULANZI

GODOX Lux Junior Speedlite Retro Camera Flash, GN12, 6000K CCT A/M Flash Mode, 28mm Focal Length Compatible with Canon Nikon Sony Fujufilm Digital Film Cameras

GODOX Lux Junior Speedlite Retro Camera Flash, GN12, 6000K CCT A/M Flash Mode, 28mm Focal Length Compatible with Canon Nikon Sony Fujufilm Digital Film Cameras

GODOX

PHOTOOLEX Camera Flash for Canon...

PHOTOOLEX LCD Camera Flash Speedlite for Canon Nikon Sony Panasonic Olympus Fujifilm Pentax Sigma Minolta Leica and Other SLR Digital Cameras and Digital Cameras with Single Contact Hot Shoe

PHOTOOLEX LCD Camera Flash Speedlite for Canon Nikon Sony Panasonic Olympus Fujifilm Pentax Sigma Minolta Leica and Other SLR Digital Cameras and Digital Cameras with Single Contact Hot Shoe

PHOTOOLEX

Godox TT350 Mini Thinklite TTL F...

HSANYIUR 16GB UDMA High Speed,Original CF Card Camera Memory Card for Professional Photographer,Videographer,Enthusiast

HSANYIUR 16GB UDMA High Speed,Original CF Card Camera Memory Card for Professional Photographer,Videographer,Enthusiast

HSANYIUR

ULANZI U60 RGB Video Lights Black LED Camera Light 360° Full Color Portable Photography Lighting w Quick Release Cold Shoe Adapter and Clip, 2500mAh Rechargeable CRI 95+ 2500-9000K Dimmable Panel Lamp

ULANZI U60 RGB Video Lights Black LED Camera Light 360° Full Color Portable Photography Lighting w Quick Release Cold Shoe Adapter and Clip, 2500mAh Rechargeable CRI 95+ 2500-9000K Dimmable Panel Lamp

ULANZI

Ulanzi LM20 Camera Flash, Camera Speedlite with GN12 / CCT 5600K for Canon/Fuji/Sony/Nikon/Panasonic Olympus Pentax and Other SLR Digital Cameras, and Digital Cameras with Single Contact Hot Shoe

Ulanzi LM20 Camera Flash, Camera Speedlite with GN12 / CCT 5600K for Canon/Fuji/Sony/Nikon/Panasonic Olympus Pentax and Other SLR Digital Cameras, and Digital Cameras with Single Contact Hot Shoe

ULANZI

Godox iM30 Camare Flash,Mini Flash Speedlite,GN15 with 13 Levels Flash Power, CCT 6500K±200K with S1/S2 Optical Control for Fuji, for Canon, for Nikon, for Sony, for Olympus Camera

Godox iM30 Camare Flash,Mini Flash Speedlite,GN15 with 13 Levels Flash Power, CCT 6500K±200K with S1/S2 Optical Control for Fuji, for Canon, for Nikon, for Sony, for Olympus Camera

GODOX

Godox XPro-S TTL Wireless Flash ...

Godox V1-C USA Version Flash for...

Godox V860III-S Flash for Sony C...

ULANZI SL01 Mini Flash Speedlite, GN8 6500K Camera Flash Light Compatible with Sony Canon Fuji Nikon Panasonic Pentax Olympus Leica Camers Flash, 4 Power Levels Mini Camera Flash NOT for Sony ZV-1F

ULANZI SL01 Mini Flash Speedlite, GN8 6500K Camera Flash Light Compatible with Sony Canon Fuji Nikon Panasonic Pentax Olympus Leica Camers Flash, 4 Power Levels Mini Camera Flash NOT for Sony ZV-1F

ULANZI

ULANZI SL02 Mini Flash Speedlite...

ULANZI SL03 Camera Mini Flash Speedlite with Video Light for Beginners Basic, GN8 6500K Flash 90° Angle Adjustable Compatible with Sony/Canon/Fuji/Nikon DSLR, Universal Single Contact Hot Shoe Mount

ULANZI SL03 Camera Mini Flash Speedlite with Video Light for Beginners Basic, GN8 6500K Flash 90° Angle Adjustable Compatible with Sony/Canon/Fuji/Nikon DSLR, Universal Single Contact Hot Shoe Mount

ULANZI

MEDALight F2 Mini Camera Flash 2.4GHz Wireless Off-Camera Flash for Canon/Sony ZV1/Fuji/Nikon/Ricoh Gr3/Digital Camera/Hot Shoe Flash for DSLR Camera/Magnetic Base & 10m Remote Control(Black).

MEDALight F2 Mini Camera Flash 2.4GHz Wireless Off-Camera Flash for Canon/Sony ZV1/Fuji/Nikon/Ricoh Gr3/Digital Camera/Hot Shoe Flash for DSLR Camera/Magnetic Base & 10m Remote Control(Black).

MEDALight

VILTROX 24W/s Retro Flash for Camera, 0.1-1.5s Recycle Small Camera Flash, 800mAh On Camera Mini Flash GN12 with 7 Levels, S1/S2 Optical Control for Sony Fujifilm Canon Nikon Olympus (Z1+)

VILTROX 24W/s Retro Flash for Camera, 0.1-1.5s Recycle Small Camera Flash, 800mAh On Camera Mini Flash GN12 with 7 Levels, S1/S2 Optical Control for Sony Fujifilm Canon Nikon Olympus (Z1+)

VILTROX

ULANZI PL25 Video Light, 25W LED Camera Light Mini Panel Bi-Color for DSLR Photography, 3200Lux, CRI≥96 2700K-6500K, 2000mAh Rechargeable Portable On-Camera Lighting for Photo, Video, YouTube, Vlog

ULANZI PL25 Video Light, 25W LED Camera Light Mini Panel Bi-Color for DSLR Photography, 3200Lux, CRI≥96 2700K-6500K, 2000mAh Rechargeable Portable On-Camera Lighting for Photo, Video, YouTube, Vlog

ULANZI

GODOX IT30Pro TTL Mini Camera Fl...

User Reviews

Please sign in to leave a review

Sort by:

No reviews yet. Be the first to review!

4.4

(26 reviews)

$22.45$24.9510% off

Track Price on BigBangPrice

Get notified when the price drops. Track this product on BigBangPrice, our price tracking partner.

SL03Black 1 MONTH WARRANTY

USB‑C rechargeable battery offers fast one‑hour charging and unlimited runtime when tethered.

✓90° adjustable tilt enables bounce flash techniques for indoor lighting.

✓High color accuracy with 6500K daylight balance and CRI 97 for natural‑looking illumination.

Cons

✗Flash recycling time of 2.5 seconds at full power limits rapid burst shooting or focus stacking.
✗Low guide number of 8 limits effective range to close‑up subjects and struggles in bright daylight.
✗300 mAh battery capacity restricts continuous video light usage and requires frequent recharging on long sessions.
✗Continuous video light output is only 1 W, providing modest illumination unsuitable as primary light source.
✗Maximum flash count of 500 at full power may be insufficient for extended shooting without recharging.

From Expert Reviews

Praised by Experts

✓PetaPixel highlights the remarkable size‑to‑performance ratio, noting the flash delivers reasonably capable performance despite its ear‑bud‑like dimensions.
✓WildMacro praises the impressive feature set packed into a tiny flash, including the strong LED focusing light.
✓YouTube reviewers point out the 90° bounce tilt and simultaneous flash‑plus‑video‑light capability as advantages over the SL01 and SL02 models.

Criticized by Experts

✗WildMacro identifies the 2.5‑second recycling time at full power as a major limitation for rapid sequential shooting or focus stacking.

From User Reviews

Users Love

✓Everyday users consistently appreciate the ultra‑compact design that adds virtually no weight to their gear.
✓Customers value the $25‑30 price point, seeing it as offering substantial features for casual and travel photography.
✓The 6500K color temperature and CRI 97 receive positive feedback for delivering natural colour rendition.
✓The combination of flash and continuous light modes is praised for versatility by hybrid photographers and content creators.
✓The built‑in LED torch function is noted as a handy emergency backup light.

Users Complain About

✗Users report the flash recycling time is too slow for action or burst photography.
✗The low GN8 output is seen as insufficient for outdoor or larger‑area lighting.
✗Battery life is limited; the 300 mAh cell only supports about 500 flashes before needing a recharge.
✗The 1 W continuous light is considered too weak for primary illumination, suitable only for fill light.
✗Some users find the limited power levels (1/1 to 1/8) restrict fine‑grained exposure control.

Expert Opinion

Professional reviewers commend the SL03 for its exceptional portability and feature richness, especially the 90° bounce tilt and dual flash/video light mode, which set it apart from smaller Ulanzi models. However, they caution that the relatively slow recycling time hampers its suitability for fast-paced shooting scenarios.

What Users Say

Everyday users love the tiny size, affordable price, and accurate daylight‑balanced light, finding it a versatile tool for travel, vlogging, and macro work. Recurring criticisms focus on the slow recycle speed, limited flash power, and modest continuous light output, which restrict its use in demanding lighting conditions.

Common Complaints

The most common user complaints are the 2.5‑second flash recycle time, low guide number limiting range, limited 300 mAh battery capacity, and the weak 1 W continuous light that is only suitable for fill rather than primary illumination.

What People Are Saying

“Despite its small dimensions resembling "a typical set of earbuds," it delivers "reasonably capable performance".”
PetaPixel

“An impressive tiny flash that packs surprisingly many features for its compact dimensions.”
WildMacro

How It Compares

vs. Canon/Nikon traditional speedlites

Advantages

✓Much higher guide numbers (GN30+) provide greater range and power for outdoor and studio use.
✓Faster recycle times enable rapid burst shooting and action photography.

Disadvantages

✗Significantly heavier (200‑300 g) and bulkier, reducing portability.
✗Higher price point and lack of built‑in continuous video light mode.

Choose the SL03 for ultra‑compact travel and hybrid video/photo work; opt for Canon/Nikon speedlites when you need high power and fast recycling for professional events.