SUBLUE Navbow Review: Specs, Battery Life and Who It Suits

A research-based look at the SUBLUE Navbow: twin motors, a 158 Wh battery, three speed modes, what ships in the box and how it ranks in the lineup.

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The Navbow sits between SUBLUE’s entry-level scooters and its flagship, and the brand pitches it as its recreational powerhouse. It carries two motors and a bigger battery than the Mix and MixPro, yet it gives up the thrust of the Vapor.

This page is a desk review. Every figure comes from the brand’s spec sheet and published policies, and none comes from hands-on testing, so you can check each detail yourself.

In short, the Navbow is the easiest SUBLUE to recommend for a blend of pool sessions, snorkeling outings and now and then a real dive. If you want the longest possible runtime or serious speed, other options fit better, and the sections below explain which.

What You Get With the Navbow

The Navbow is built around a twin-motor layout, with two motors sharing the work of pulling you through the water. Here is the sheet at a glance.

  • Motors: two
  • Battery: 158 Wh, with a runtime ceiling of 60 minutes that shifts with the mode you run
  • Depth rating: 40 meters (131 feet), as rated by the brand
  • Weight: 3.4 kg for the scooter without its battery, plus 1.1 kg for the battery
  • In the box: the scooter and battery, a standard charger with a charging stand, a safety leash, a buoyancy bar, a D-ring buckle and a one-hand operation lanyard

Each of the three speed modes has its own top speed.

ModeTop speed
Turbo2 m/s (4.47 mph)
Sport1.5 m/s (3.36 mph)
Free mode1 m/s (2.24 mph)
Swimmer holding a red SUBLUE underwater scooter with an action camera mounted on top, above a coral reef

The Specs in Plain English

Think of the three speed modes as gears. Free mode is the gentlest, sport sits in the middle and turbo reaches the highest speed of the three.

Battery capacity is quoted in watt-hours, a measure of the energy the pack stores. The Navbow’s 158 Wh pack is larger than the 122 Wh pack in the Mix and MixPro, and that gap is among the main differences between the models.

The 60-minute runtime is the brand’s ceiling, and it moves with the speed mode you choose. Read it as the best case, not a promise for every session.

Depth is the easiest spec to read. SUBLUE gives every model in the range the same rating of 40 meters (131 feet), so depth cannot help you choose. Speed, battery size and runtime can.

Weight arrives in two pieces, 3.4 kg for the scooter and 1.1 kg for the battery. Keep that in mind if you will be carrying it down a beach or onto a boat.

What Stands Out on Paper

In its favor

  • Two motors and three speed modes in a single scooter.
  • The highest top speed of the three smaller models.
  • A 158 Wh battery, against 122 Wh in the Mix and MixPro.
  • A box that includes a charging stand, buoyancy bar, one-hand lanyard and safety leash, which leaves less to buy separately.
  • Warranty terms published on the brand’s own policy page: one year on the scooter and six months on the battery.

Things to weigh

  • Runtime peaks at 60 minutes, while Yamaha lists its 350Li Seascooter at up to 75 minutes per charge.
  • Some features sit behind the companion app, so see what it unlocks early in the 30-day return window.
  • The battery warranty is half as long as the scooter’s, and both need proof of purchase.
  • Under the brand’s return policy, an opened product carries a 30% restocking fee.

How It Compares

Inside the SUBLUE range

Next to the Mix and MixPro, the Navbow adds a second motor, a larger battery and a higher top speed. Next to the flagship Vapor, it concedes thrust and speed. Anyone who snorkels or dives recreationally may find that the step beyond the Navbow adds capability they will rarely use.

ModelBatteryRuntimeTop speed
Mix122 WhUp to 45 minutes1.6 m/s (3.58 mph)
MixPro122 WhUp to 60 minutes1.8 m/s (4.03 mph)
Navbow158 WhUp to 60 minutes2 m/s (4.47 mph)
Vapor384.8 Wh18 minutes at full powerPeaks at 10 km/h (6.2 mph)

The Mix is the entry-level option for pool days and light snorkeling. The MixPro keeps that compact body and adds a third speed mode and extra runtime. At the other end sits the Vapor, the flagship, with a 384.8 Wh battery, three gears and thrust listed at up to 21 kg. It is compared with Seabob, the German luxury brand associated with yachts.

Top view of the SUBLUE Navbow underwater scooter in red and black with a motor on each side

Against Yamaha

Yamaha also builds underwater scooters, and its Seascooter range makes a useful yardstick for specs. Here is the Navbow next to the 350Li Seascooter.

SpecSUBLUE NavbowYamaha 350Li
RuntimeUp to 60 minutesUp to 75 minutes
Top speed4.47 mphAround 3.7 mph
Depth rating131 feet130 feet

Yamaha takes runtime, SUBLUE takes speed by a narrow margin and depth is effectively level.

The brands also differ in shape. SUBLUE concentrates on handheld dive propulsion units that you hold out in front of you. Yamaha covers more ground, from simple surface scooters for younger riders to more advanced dive models. SUBLUE lists an action camera mount and a low-battery alarm on every model.

Who It Suits and Who Should Skip It

The Navbow suits you if you want one scooter for pool afternoons, snorkel outings and the occasional real dive without running short on power. It also suits you if two motors and a charging stand in the box appeal.

Skip it if runtime is your top priority, since Yamaha’s 350Li lists a longer figure. Skip it if you only plan to splash around a pool, because the Mix is built for that. Look at the Vapor instead if you want serious speed or plan to outfit a boat, since it lists three gears, a 10 km/h ceiling and thrust of up to 21 kg.

Whichever model you pick, three habits protect it: a fresh-water rinse after the ocean, a full dry before it goes into a bag, and no long storage on an empty battery.

To see the models side by side, browse SUBLUE’s storefront on Amazon, which opens Amazon in a new tab.

Returns, Warranty and Where to Buy

These terms come from SUBLUE’s own policy pages, so read the return terms of whichever retailer you order from as well.

Warranty

PartCoverage
ScooterOne year from purchase
BatterySix months from purchase

Both terms need proof of purchase. Functional defects are covered, while cosmetic marks from normal use are not. Claims usually end in an exchange rather than a refund. To start one, email photos of the problem to [email protected].

Returns

The brand accepts returns for 30 days from the purchase date. Once a product is opened, a 30% restocking fee applies, although a genuine defect can waive it in some regions. Approved refunds go back to the original payment method within 10 to 15 business days.

Where to buy

Coverage applies only to units bought through a legitimate channel. SUBLUE sells direct from its own store, and Best Buy, West Marine, Adorama and the dive specialist Diversdirect stock the range too. The brand also has a storefront on Amazon.

If you shop on a marketplace, ask which battery and model year the seller ships, look for a stated return policy and a clear shipping origin, and question any offer that seems too good to be true.

Frequently Asked Questions

How deep can the Navbow go?

SUBLUE rates it to 40 meters (131 feet), as it does every model in the range.

How long does one charge last?

The brand quotes up to 60 minutes. The figure you get depends on which of the three speed modes you run.

Do I need the app to use it?

Basic operation works without it, but certain functions depend on the companion app. Set it up early, so you know what it unlocks before the 30-day return window closes.

Does saltwater change anything?

The brand builds these scooters for ocean use. Wash the scooter and the battery contacts with fresh water afterward, since salt left behind can lead to corrosion.

What if the battery fails?

Email SUBLUE support with photos of the fault. A functional defect falls under the six-month battery warranty, while ordinary cosmetic wear does not.

The Verdict

If you want one scooter for varied water time, the Navbow is the clearest all-rounder SUBLUE offers. Twin motors, three speed modes and a 158 Wh battery put it a step above the Mix and MixPro on the spec sheet.

Know the trade-offs before you buy: runtime tops out at 60 minutes, some features depend on the app, and an opened unit carries a 30% restocking fee. If those fit your plans, browse SUBLUE’s storefront on Amazon, which opens Amazon in a new tab, and check the current price there for the model you want.

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