Liberty 600 vs Sigma
Same brand, adjacent models in the range
Maytronics Dolphin Liberty 600
Buy now$1,729
Manufacturer list price on the Maytronics US store.
Buy now
Maytronics Dolphin Sigma
Buy now$2,999
Manufacturer list price on the Maytronics US store.
Buy now · Still purchasable on the Maytronics US store but absent from the current lineup navigation, which suggests it is being wound down.
Where the published data differs
Every line below is computed from the two manufacturers’ own figures. Attributes neither brand publishes are omitted.
- Liberty 600 lists at $1,729, $1,270 below Sigma at $2,999.
- Cordless: published for Liberty 600, not for Sigma.
- Pool type: Liberty 600 — In-ground and above-ground; Sigma — In-ground.
- Cleans: Liberty 600 — Floor, walls, waterline, steps; Sigma — Floor, walls, waterline.
- Cycle time: Liberty 600 180 min versus Sigma 150 min (20% more).
- Weight: Liberty 600 25.8 lbs versus Sigma 24.6 lbs (5% more). Published data favours Sigma.
Full specification comparison
| Attribute | Liberty 600 | Sigma |
|---|---|---|
| Pool type | In-ground and above-ground | In-ground |
| Cleans | Floor, walls, waterline, steps | Floor, walls, waterline |
| Cleaning coverage | Not published by either | Not published by either |
| Max pool length | 50 ft | 50 ft |
| Battery runtime | Not published by either | Not published by either |
| Cordless | Yes | No |
| Cable length | Not published by either | Not published by either |
| Charge time | Not published by either | Not published by either |
| Cycle time | 180 min | 150 min |
| Navigation | Not published by either | Not published by either |
| Suction / flow rate | Not published | 4,500 GPH |
| Waterline cleaning | Yes | Yes |
| Wall climbing | Yes | Yes |
| Brushes | Standard brush | Not published |
| Filtration | Not published by either | Not published by either |
| Debris capacity | Not published by either | Not published by either |
| Cleaning modes | Not published by either | Not published by either |
| Scheduling | Not published by either | Not published by either |
| App control | Yes | Yes |
| Remote control | Not published by either | Not published by either |
| Retrieval | Click-Up assisted lift | Not published |
| Solar powered | Not published by either | Not published by either |
| Weight | 25.8 lbs | 24.6 lbs |
| Warranty | 36 months | 36 months |