Replacement Battery Kit For i100, i300, i300C, i550
High-quality lithium battery VARTA CR2450 3V
The battery is fitted to the 2028 year
Original O-Ring
Silicone Grease for O-Ring
Battery kit suitable for AquaLung i100, i300, i300C, i550 dive computers
Applications:
The Battery Kit is shipped with an original manufacturer O-Ring which is important for the security of your dive computer from leaking water.
All items are brand NEW, sealed, factory-approved.
Aqualung i300C / i300 / i100 / i550 Battery Replacement — What’s Included
The complete kit to reseal your Aqua Lung dive computer: a fresh CR2450 battery, a genuine replacement O-ring and silicone grease. It fits the Aqua Lung i300C, i300, i100 and i550 — all use the same user-replaceable CR2450 battery.
How to Change the Aqualung i300C Battery
1. On the back of the computer, unscrew the battery hatch.
2. Remove the old CR2450 and O-ring.
3. Fit the new O-ring with a thin film of grease, seat the fresh CR2450 (+ side up) and screw the hatch back until snug
Aqualung Battery — FAQ
What battery does the Aqualung i300C (and i300 / i100 / i550) use?
A single CR2450 3V coin cell — included in this kit.
Is the i300C battery user-replaceable?
Yes — Aqua Lung designed these computers for user battery changes. Fit the new O-ring each time so it stays watertight.
How long does the battery last?
Around 2 years of typical recreational use. Replace when the display dims or the low-battery icon appears.
