Scuba S3 specs
| Brand | Aiper |
|---|---|
| Type | Cordless |
| Pool type | In-ground |
| Cleans | Floor · Walls · Waterline |
| Runtime | Up to 4 hr (Eco mode) |
| Rated reach | Not stated |
| Power | Rechargeable lithium battery (10,400 mAh) |
| Filtration | 180 µm mesh + replaceable 3 µm ultra-fine insert |
| Navigation | Smart route-optimizing sensors |
| App control | Yes |
| Weight | 18 lbs |
| Warranty | Not stated on the listing — confirm before buying |
| Price tier | $$ Mid-range ($500–$1,000). See Amazon for today's price. |
- The Amazon listing gives no rated coverage area or warranty length for the S3; we left those blank rather than guess.
Specs are compiled from manufacturer listings and independent reviews and may change between production runs. Pool robots are re-listed and re-badged often, so confirm on the Amazon page before buying.
The Aiper Scuba S3 is a cordless in-ground pool robot built around cleaner water rather than the longest feature list. It’s light at 18 lbs, ships with dual-stage filtration (a 180-micron mesh plus a replaceable 3-micron ultra-fine insert), scrubs the waterline and parks itself at the surface with a phone alert. It costs about $700 on Amazon and has a rating near 4.8 stars on a small base of about 110 reviews.
Who the S3 is for (and who should skip it)
It’s for you if you’re sensitive to cloudy water, fine sand or pollen and want a robot that filters down to 3 microns, and if you want a cordless robot you can lift out with one hand. The waterline scrub reaches about 2 inches above the water line, per the listing, and the robot travels laterally along the waterline at a steady pace rather than bobbing up and down.
Skip it if you have an above-ground pool (it’s marketed for in-ground), if you want a stated coverage rating or a published warranty term (the listing doesn’t give either), or if you want a longer track record. The Scuba S1 has a much larger review base.
Filtration
Aiper’s two-stage design is the headline: a 180 µm mesh catches leaves and bigger debris while the optional 3 µm ultra-fine insert captures dust, sand and microscopic particles. Fine filters clog faster, so expect to rinse them more often. We explain when ultra-fine filtration is worth the maintenance in filtration microns explained.
Cleaning and navigation
The S3 uses built-in sensors to build a route from the pool’s contours, with dual brushes for fewer passes. The listing describes it methodically covering the whole floor, including freeform and uneven surfaces. Auto-docking brings it to the waterline after the cycle and waits for 10 minutes while sending a notification.
Battery and app
The listing gives a 10,400 mAh battery and up to 4 hours in Eco mode, but doesn’t state a rated coverage area. The app handles scheduling (weekly plans), mode changes and status. We’d call the runtime comfortable for typical pools; on very large pools, see our guide to coverage ratings.
Reliability and warranty
The S3 is a new listing with about 110 reviews, so there’s no multi-season record. The Amazon page gives the warranty as “limited” without a term (Aiper’s S1 listing states 2 years), so confirm the S3 term before you buy.
Bottom line
The S3 is the best pick here if water clarity is your priority. At about $700 it competes with the AquaSense 2; the Beatbot has more stated coverage and a published 3-year warranty, while the Aiper has finer filtration and a lighter body. Our head-to-head goes through the differences in detail.
Featured in our guides
- The 7 Best Robotic Pool Cleaners of 2026: Ranked by Pool Type, Budget & Features
- Best Cordless Robotic Pool Cleaners of 2026: Runtime, Coverage & What You Give Up
- Beatbot AquaSense 2 vs Aiper Scuba S3: Which Cordless Pool Robot Should You Buy?
- Pool Robot Filtration Explained: 150 vs 180 vs 3 Micron Filters (Do You Need Ultra-Fine?)
