If your reliable Shark ION Robot is suddenly docking after only 15 minutes of cleaning, the battery is almost certainly the culprit. However, Shark made a confusing manufacturing change that causes many owners to buy the wrong replacement part. Here is how to avoid that mistake and get a better battery in the process.
The "N" Difference: 2-Prong vs. 3-Prong
Shark produced two versions of popular models like the RV700, RV720, and RV750. They look identical from the top, but use incompatible batteries:
- The Old Standard (RVBAT700): Used in the original RV750. The battery connector has 3 wires (3 Prongs).
- The New Standard (RVBAT850): Used in the RV750_N, R85, and the IQ RV1001AE series. The battery connector has 2 wires (2 Prongs).
Our Coredy Premium 3200mAh Battery is the 2-Prong (RVBAT850) type. It is designed for the modern Shark lineup.
Why Upgrade to 3200mAh?
Most stock batteries are rated at 2600mAh. As they age, that capacity shrinks. By installing a 3200mAh Coredy battery, you are effectively putting a larger fuel tank in your car.
- Longer Runtime: Cleans more rooms in a single pass.
- Better Suction Stability: Maintains high power on carpets without triggering low-voltage shutoffs.
- Fewer Charge Cycles: Because it runs longer per cycle, it returns to the dock less often, extending the overall lifespan of the battery.
Installation Step-by-Step
- Flip your Shark robot upside down.
- Locate the battery cover (usually held by two screws).
- Remove the cover and lift out the old battery.
- STOP and LOOK: Does the connector have 2 wires (Red/Black) or 3?
- If it has 2 wires, simply plug in your new Coredy upgrade and screw the cover back on.
Restore Your Shark's Stamina
Don't let a dying battery interrupt your cleaning schedule. Upgrade to the Coredy Premium 3200mAh Battery (2-Prong) today.