Maintenance

SwellPro Saltwater Care Guide

By Best Drone Reviews Team · · Updated April 11, 2026
SwellPromaintenancesaltwaterdrone care

Affiliate Disclosure: This article contains affiliate links to drone retailers. If you make a purchase through our links, we may earn a commission at no extra cost to you. This helps us keep testing drones and creating content.

The single biggest difference between a SwellPro drone that lasts five years and one that dies in six months is maintenance. Not flying skill, not storage conditions, not luck. Maintenance. Saltwater is relentless, and even an IP67 rated drone needs active care to survive regular exposure. Working guides report years of daily service from SwellPro drones by following a simple post-flight routine, while recreational anglers who skip that routine can destroy identical drones in weeks. In this SwellPro maintenance guide, we walk through the complete care process, from the moment you land after a saltwater flight to long-term storage.

None of this is complicated. The whole post-flight routine takes about five to ten minutes per session. But it has to happen every time, and it has to be thorough. Saltwater does not forgive shortcuts.

Why Saltwater Is the Enemy

Saltwater corrodes metal, degrades plastic, and conducts electricity in ways that fresh water simply does not. Even a thin film of salt residue on the motor bearings will grind them down over weeks of operation. Salt crystals that form inside connectors can create intermittent electrical failures that are difficult to diagnose. And once saltwater penetrates a sealed compartment (through an impact crack, a worn gasket, or a compromised connector), it will destroy the electronics from the inside out.

The SwellPro IP67 rating keeps saltwater out of the sealed compartments during normal operation, but it does not stop salt from accumulating on exterior surfaces. That accumulated salt is the problem you can control. The rinse routine removes salt before it has time to do damage.

The Post-Flight Rinse Routine

Here is the recommended routine after every SwellPro saltwater flight. It should take five to ten minutes and should happen before you leave the beach or as soon as you get home, not hours later when the salt has had time to dry.

  1. Remove the battery first. Before any water touches the drone, pop the battery out. SwellPro drones are IP67 rated with the battery installed, but removing it gives you access to the battery compartment for inspection and rinsing.
  2. Inspect the drone before rinsing. Take 30 seconds to look over the airframe. Check for cracks, prop damage, loose screws, or any visible damage from the session. Finding a problem now is better than finding it on the next flight.
  3. Rinse with fresh water at low pressure. A garden hose on a gentle setting is ideal. Avoid pressure washers, which can drive water into places you do not want it. Rinse the entire airframe, paying special attention to the motor housings, gimbal assembly, landing gear, prop hubs, and any joints or hinges. Rotate the drone to get water into all the crevices.
  4. Spin the motors by hand while rinsing. This flushes salt out of the motor bearings, which are the most common failure point on neglected drones. Rotate each motor several times as water runs through the housing.
  5. Pay special attention to the gimbal. The gimbal is the most mechanically sensitive part of the drone. Rinse it thoroughly and manually move it through its full range of motion while wet to flush any trapped salt.
  6. Rinse the battery compartment separately. With the battery out, rinse the compartment interior and the battery contacts. Let any standing water drain out completely before moving on.
  7. Shake off excess water. Give the drone a firm shake to dislodge water droplets from crevices. Do not use compressed air, which can drive salt-laden water deeper into the electronics.
  8. Dry with a microfiber towel. Wipe down the entire airframe with a clean microfiber towel. Pay attention to the camera lens, the gimbal, and any flat surfaces where water will pool.
  9. Air dry for at least one hour before storage. Leave the drone in a well-ventilated area for at least an hour before putting it in a case. Ideally, leave it overnight. Sealing a damp drone in a case traps humidity and encourages corrosion.

What About the Battery?

SwellPro batteries are sealed and IP67 rated, but they still need maintenance. After every saltwater session, rinse the battery briefly with fresh water, paying attention to the contact points. Dry thoroughly with a microfiber towel before storage. Never submerge a battery in water and never charge a wet battery.

Store batteries at 50 to 60 percent charge for long-term storage. Leaving LiPo batteries at full charge accelerates degradation, and letting them discharge completely can damage the cells permanently. SwellPro batteries benefit from the same care as any other LiPo in the drone world.

Long-Term Storage

If you are putting your SwellPro away for more than a few weeks (end of fishing season, extended travel, etc.), follow a more thorough storage routine:

  • Complete the normal post-flight rinse and dry routine. Do not skip this before storage.
  • Inspect all propellers and replace any that show wear. Damaged props that look fine can fail under stress later.
  • Lubricate exposed metal components lightly. A thin film of corrosion inhibitor on landing gear, screws, and exposed metal extends storage life.
  • Store batteries at 50 to 60 percent charge. Check them every two months and top up if they drift below 40 percent.
  • Store the drone in a dry, cool environment. Avoid garages with high humidity or temperature swings. A climate-controlled closet is ideal.
  • Keep silica gel packets in the storage case. They absorb any residual moisture and prevent condensation during temperature changes.

What to Inspect Between Flights

Beyond the post-flight rinse, the SwellPro benefits from periodic deeper inspection. Every 10 to 20 flights, take a few minutes to check the following:

  • Motor bearings. Spin each motor by hand. It should feel smooth and consistent. Any grinding, gritty feel, or resistance indicates salt accumulation or bearing wear.
  • Propellers. Look for cracks, nicks, or deformation. Replace any damaged prop immediately. Propellers are cheap compared to crashes.
  • Gimbal movement. Manually move the gimbal through its full range. Any binding, friction, or unusual resistance indicates contamination or damage.
  • Screws and fasteners. Vibration and salt exposure can loosen fasteners. Check the visible screws on the airframe and tighten any that have worked loose.
  • Seals and gaskets. Look at the visible seals around the battery compartment and any serviceable joints. Replace any that look cracked or compressed.
  • Connector contacts. Battery contacts and any exposed electrical contacts should be clean and free of corrosion. Gentle cleaning with a cotton swab and isopropyl alcohol removes light deposits.

When to Send the Drone In for Service

Most maintenance can be handled at home with the rinse routine and periodic inspection. But some issues require professional service, and catching them early prevents bigger problems. Send your SwellPro in for service if you notice any of the following:

  • Visible corrosion on electrical contacts or metal components that does not clean up easily.
  • Motor bearings that feel gritty or rough even after a thorough rinse.
  • Gimbal drift, instability, or unusual motor sounds.
  • GPS lock issues or drift in hover that appear after normal flights.
  • Any electrical issue (intermittent power, controller connection problems, strange battery behavior).
  • Physical damage to sealed compartments or cracks in the airframe.

SwellPro offers factory service and parts support, and the turnaround for marine drones is usually faster than what DJI offers on camera drones. Do not fly a drone you suspect of damage, especially for fishing work where a mid-flight failure over water usually means losing the drone entirely.

Final Thoughts

The SwellPro maintenance routine is simple, but it is also non-negotiable. Skip it and you will destroy an expensive drone within months. Follow it and you will get years of reliable service from a tool that is built to survive the most demanding drone environment on the planet. Rinse after every flight, dry thoroughly, inspect periodically, and store carefully. That is the whole formula.