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Lost Mary OS5000 vs EB Design BC5000: A Comparative Analysis

West Coast Vape Supply

Whenever the question of the best disposable vape is raised, it is nearly impossible not to hear the names Lost Mary and EB Design (Elf Bar) come up. This is because the two vaping gadgets have gained popularity across the vaping community rapidly. The traction can be attributed to several factors: the gadgets are made by a reputable brand (EB Design), are packed with convenient features, offer top-of-the-line performance, and come in multiple flavor options. 

The two disposables have become a staple for vapers, specifically those seeking a device that offers convenience, longevity, and a vast collection of flavors. This piece takes a deep look at the similarities and differences between the Lost Mary Os5000 and EB Design (Elf Bar)) Bc5000. It examines each device’s appearance, performance, battery capacity, nicotine content, and flavor options. It also provides information on the best smoke shop in Winnetka and its environs. Let’s begin…

Introducing the contenders 

Lost mary Os5000

This device was released in 2022 and has since taken dominance as the go-to choice for high puff count disposable vapes. The Lost Mary Os5000 has an aesthetic design and is highly compact. It features a 13ml vape juice capacity and a 650mAh battery. You can expect up to 5,000 puffs per device. EB Design (Elf Bar) vapes are known for their incredible design and ease of use, which is exactly what you will get with this Lost Mary Vape. Each flavor delivers a tasty punch that will keep you coming back for more.

Lost Mary OS5000

EB Design (Elf Bar) Bc5000

The EB Design (Elf Bar) Bc5000 is the perfect on-the-go vape thanks to its compact, portable nature. The device fits in the palms, making it effortless to carry around while performing everyday tasks. It is fitted with a superior coil to provide satisfactory cloud and flavor production. With this device, you no longer have to worry about the battery running out or having to toss the device without depleting the vape juice. The in-built battery is rechargeable and completes charge rapidly. EB Design (Elf Bar) Bc5000 has a high puff count (5000) and has over 50 flavors to choose from. 

EB Design BC5000

First round: Appearance and size

From the first look, it is clear that the Lost Mary is slightly bigger than the EB Design (Elf Bar) disposable vape. The former measures 82mm by 48mm by 26mm, while the latter is 79mm x 41mm x 19mm. In terms of weight, the EB Design (Elf Bar) Bc5000 is lighter by 17 grams. Both devices have a rounded, rectangular shape, although the Lost Mary is almost square. The devices come in vibrant hues that capture one’s attention from a distance. 

Manufactured by the same brand, the disposables come in a PCTG plastic material, which is highly durable and resistant to high temperatures. One of the top differences between the two devices is the finishing and feel. The Bc5000 has a smooth feel, while the Os5000 has a bumpy surface. This makes the Lost Mary much more comfortable to hold for prolonged hours as the bumps provide a tight grip. 


  • Box-mode style 
  • Compact and portable 
  • Incredible finish
  • It comes in attractive colors 


  • Os5000 has bumps on the surface, while Bc5000 is smooth

Second round: Performance 

The performance of a device is one of the top selling points. Both disposables are fitted with the latest coil technology – the mesh coil. This ensures that the vapor and flavor production is top-tier, the heating speed is instant, and the device lasts as long as the vape juice. You can expect almost similar performance from the Lost Mary Os 5000 and the Bc5000, with the former providing a slightly potent throat hit. 

Both devices are automatically activated via puffing, making them ideal for new vapers. EB Design created the devices with the aim of offering vapers hustle-free sessions. From the activation process to the performance, it is easy to tell that their aim was achieved. 


  • Mesh coil technology 
  • Superior vapor and flavor production
  • Instant heating speed
  • Automatic activation


  • Os5000 provides a substantial throat hit

Third round: Longevity and battery capacity 

These devices have an impressive 13ml vape juice capacity each, guaranteeing up to 5000 puffs. This is enough to last ten days to 2 weeks, depending on your vaping frequency. This is quite a long time, considering you are dealing with a disposable. Consequently, you get to enjoy a consistent vaping performance and your favorite flavors for longer. 

The disposables have an integrated, rechargeable 650mAh battery that can last a whole day of vaping. For the Os5000, the charging port is located at the top, next to the mouthpiece, while the Bc5000’s port is at the bottom. Both devices completely charge under one hour, allowing you to go back to enjoying potent doses of nicotine in no time. 

The devices’ battery indicators are located next to the charging ports. For the EB Design (Elf Bar) Bc5000, the indicator shows when the device is charging. On the other hand, the Lost Mary’s battery Indicator shows the battery level – red is low, blue indicates medium power, and green means the device has high battery power. 


  • 13ml vape juice capacity 
  • 5000 puffs 
  • It lasts up to 2 weeks
  • 650mAh battery 
  • Battery indicator


  • The Bc 5000 charging port is located at the bottom, and the Os5000 is at the top
  • Battery indicator for Bc5000 indicates when the device is charging but shows battery level for Os5000

Fourth round: Nicotine content 

The Lost Mary Os5000 and the EB Design (Elf Bar) Bc5000 vape juice are infused with 5% (50mg) of salt nicotine. This means that you get 650mg of nicotine per device (50mg x 13). Such potency makes the devices ideal for ex-smokers looking for a device that will deliver an experience similar to smoking cigarettes. The disposables have been instrumental in making the transition period seamless. 

Compared to freebase nicotine, salt nicotine provides a smoother throat hit, rapid absorption, and long-lasting effects. This means that you will use less nicotine to get the desired results. If you prefer zero nicotine, the EB Design (Elf Bar) Bc5000 offers the option. The vapes are designed to meet the needs of anyone who enjoys vaping but does not want to vape nicotine. 


  • 50mg of nicotine per ml
  • Salt nicotine 


  • Bc5000 is available in zero-nicotine

Fifth round: Flavor variety and authenticity

If you enjoy flavor diversity, you are in the right place. These EB Design vapes offer a vast collection of flavors, all designed to please the palate. The flavors are crafted by an experienced team of mixologists, who bring out authentic tastes in each vape. Elf Bar BC5000 flavors are more fruit and dessert-centered, while Lost Mary Os5000 flavors are a mix of fruit, drink, and dessert. While the latter offers around 20 flavors, Bc5000 comes in over 50 options. 


  • Authentic flavors
  • Vast collection to choose from
  • Made by experts with vapers’ needs in mind


  • BC5000 has a wider pool of flavors to choose from compared to Os5000

Verdict: which is best?

It all comes down to this question: between the Lost Mary Os5000 and the EB Design (Elf Bar) Bc5000, which is the best? While going through the detailed analysis of each product above, you will likely discover one thing: both devices have a lot to offer. This means that, in the end, it all comes down to your personal preference. These disposable vapes offer impressive performance, are convenient, and provide a long list of flavors. 

Where can you purchase these EB Design disposable vapes?

The Lost Mary Os5000 and the EB Design (Elf Bar) Bc5000 are available at Quick Vapes, the top smoke shop in Granada Hills and surrounding towns in Los Angeles. The store does doorstep delivery but also allows pickups – you can select the option that works for you. Every order above $99 is delivered for free. Visit the site today and enjoy discount prices on multiple products.

Blake Brown
Blake Brown

Blake is the owner and creator of the Guide To Vaping blog. He has expressed his passion for the vaping industry through his deeply rooted and highly informative content. Being a writer and content provider for the vaping industry for year's, Blake has also gained experience from working with multiple blogs and well respected companies.

Guide To Vaping