ALLO Ultra 1600 vs Ultra 2500: Daily Driver Match-Up

ALLO is the disposable brand we move most of at VSD — over 100 active SKUs across the Ultra 800, Ultra 1600, and Ultra 2500 lines. The Ultra 1600 and Ultra 2500 sit right next to each other on the shelf and look basically identical. The differences matter enough that picking the wrong one can cost you 25% more for a battery that lasts the same amount of time. Here is how to pick.

The two devices side-by-side

Both are draw-activated disposables with USB-C charging, internal mesh coils, and a 20mg/ml nicotine ceiling (Canadian TVPA-compliant). What separates them is the e-liquid reservoir and battery sizing.

• ALLO Ultra 1600: 6mL reservoir, ~1,600 manufacturer-stated puffs, draw-activated. Available in 33+ flavours including Banana Ice, Blueberry Ice, Pineapple Citrus, Bold Tobacco, Strawberry Kiwi, Mango Peach Orange.
• ALLO Ultra 2500: 8mL reservoir, ~2,500 manufacturer-stated puffs, draw-activated. Available in 35+ flavours including Grape Ice, Watermelon Ice, Fuji Apple Ice, Spearmint, Juicy Mango, Strawberry Banana.

The 33% larger reservoir is the main spec difference. Charging port is the same USB-C on both. The Ultra 2500 is physically a hair taller, but pocket-feel is similar. Both ship with the same draw resistance profile.

Real-world battery and puff count

Manufacturer puff claims are measured in lab conditions with consistent 1.5-second draws. Real-world numbers run roughly 15-25% lower depending on how hard you hit the device. From what we see in re-order patterns at VSD:

• The Ultra 1600 typically delivers 1,250-1,400 real-world puffs before flavour fades. Battery usually runs out of juice before the e-liquid does.
• The Ultra 2500 typically delivers 1,900-2,200 real-world puffs. Larger battery keeps up with the larger reservoir, so flavour and battery die more in sync.

For a moderate user pulling ~250 puffs per day, the Ultra 1600 lasts about 5 days. The Ultra 2500 lasts about 8 days. For a heavier user at 500 puffs/day, halve both numbers.

Flavour panel comparison

Both lines carry the ALLO core fruit-ice catalogue, but a few flavours are exclusive to one or the other:

• Ultra 1600 exclusives at VSD: Bold Tobacco (the only ALLO tobacco profile we stock), Pineapple Citrus, Mango Peach Orange, Lychee Watermelon Strawberry, Froot B, Mixed Berries, Frost.
• Ultra 2500 exclusives at VSD: Watermelon Ice (10mg variant available), Spearmint, Strawberry Banana (10mg variant), Lemon Lime Cranberry, Blue Raspberry (heavier reservoir version).
• Shared (both lines): Grape Ice, Banana Ice, Pineapple Ice, Strawberry Kiwi, Juicy Mango, Blueberry Ice, Fuji Apple Ice.

The 10mg variants on the Ultra 2500 line are worth flagging — if you find 20mg too strong but want the longer-lasting device, the 2500 line has more lower-nic options.

Price-per-puff math

Sticker price is similar between the two — typically a few dollars apart. The math shifts when you measure cost per 1,000 puffs:

• Ultra 1600 at ~$22-25 retail / 1,400 real-world puffs = about $17 per 1,000 puffs.
• Ultra 2500 at ~$28-32 retail / 2,100 real-world puffs = about $14 per 1,000 puffs.

The Ultra 2500 wins on cost-per-puff for steady users. Where the Ultra 1600 wins is variety experimentation — if you go through a flavour quickly and want to try the next one, the smaller reservoir means less waste on a flavour you do not finish.

The honest pick

Heavy daily users at 400+ puffs/day: go Ultra 2500. The price-per-puff math favours it and you replace the device less often. Casual users at under 200 puffs/day or anyone rotating through new flavours weekly: Ultra 1600. The smaller reservoir matches a slower consumption rate and you do not throw out half-full devices when you switch flavours.

Both lines are in stock at VSD with same-day delivery in the GTA and next-day delivery to the Greater Montreal Region. Browse the ALLO brand hub for the full lineup, or jump straight to Ultra 1600 or Ultra 2500. ID 19+ required at the door on every order.

Vape products contain nicotine — a highly addictive chemical. Sold to age-of-majority adults only (19+ in Ontario, 18+ in Quebec). ID required at delivery. VSD complies with the Tobacco and Vaping Products Act and provincial regulations on every order.

Frequently asked questions

What is the main difference between the ALLO Ultra 1600 and Ultra 2500?

The reservoir and battery sizing. The Ultra 1600 has a 6mL reservoir rated for about 1,600 puffs, while the Ultra 2500 has an 8mL reservoir rated for about 2,500 puffs, a 33% larger reservoir. Both are draw-activated, USB-C rechargeable, and capped at 20mg/mL nicotine.

How long does each ALLO Ultra disposable last?

For a moderate user at around 250 puffs per day, the Ultra 1600 lasts about 5 days and the Ultra 2500 about 8 days. Real-world puff counts run roughly 15 to 25% below the lab numbers, so expect about 1,250 to 1,400 puffs from the 1600 and 1,900 to 2,200 from the 2500.

Are the ALLO Ultra 1600 and 2500 rechargeable?

Yes, both charge over the same USB-C port. On the Ultra 1600 the battery usually runs out before the e-liquid does, while the Ultra 2500's larger battery keeps pace with its larger reservoir so flavour and battery fade more in sync.

Is the ALLO Ultra 2500 worth the higher price?

If you are a steady user, the 2500's bigger battery and reservoir deliver more usable life and better-synced flavour, which makes its cost-per-puff competitive. Picking the smaller 1600 when you vape heavily can cost more for a battery that runs out at a similar point.