Dolphin EON 120d
#12 in CordlessFull review
The dealer version of the cordless EON 120d, worth the small premium for its three-year warranty.
Leslie's $1,349 ePoolSupply $1,249$1,249
The Dolphin EON 120d is the better robotic pool cleaner overall, rated 4.1 to 3.6. The Dolphin EON 120d leads on warranty. The Polaris Freedom costs $50 less ($1,199 vs $1,249).
Polaris Freedom
#30 in CordlessFull review
Polaris’s mainstream cordless robot, for in-ground pools up to 50 ft whose owners want to get rid of the cable.
Leslie's $1,199 Walmart $1,199$1,199
Prices were last checked October 21, 2026 and are subject to change; the price and availability shown by the retailer at the time of purchase apply.
Which should you buy?
- Choose the Dolphin EON 120d for warranty (3-year warranty vs 2-year warranty).
Scores side by side
Each factor is scored 0-100 against the same fixed reference points for every cordless robotic pool cleaner; a clear win is highlighted. How we rank explains each one.
| Factor weight | Dolphin EON 120d | Polaris Freedom |
|---|---|---|
| Overall rating | 4.1/5 | 3.6/5 |
| Value 25% | 30 $1,249 | 32 $1,199 |
| Cleaning 25% | 85 Floor, walls and waterline | 85 Floor, walls and waterline |
| Navigation 15% | 65 Smart mapping | 50 navigation not published (neutral score used) |
| Warranty 15% | 100 3-year warranty | 50 2-year warranty |
| Pool size 10% | 100 pools up to 50 ft long (about 1,250 sq ft) | 100 pools up to 50 ft long (about 1,250 sq ft) |
| Features 10% | 100 2 of 2 | 50 2 of 4; no scheduling, caddy |
Specifications
| Dolphin EON 120d | Polaris Freedom | |
|---|---|---|
| Pool | ||
| Pool size (rated) | Up to 50 ft long | Up to 50 ft long |
| Pool types | In-ground and above-ground | In-ground |
| Surfaces | Liner, gunnite, stainless steel, ceramic, mosaic, glass, fiberglass, slippery mosaic or tiles | All surfaces |
| Cleaning | ||
| Cleans | Floor, walls and waterline | Floor, walls and waterline |
| Surface skimming | No | No |
| Filter | BackWash self-cleaning filter (DebrisLock™ ultra-fine), top access | 4 L all-purpose canister, transparent lid |
| Filter capacity | - | 4 L |
| Power | ||
| Power | Cordless (battery) | Cordless (battery) |
| Battery | 247 Wh | 9,600 mAh |
| Run time | - | Up to 2 h 30 min |
| Charge time | - | 5 h |
| Charging | - | Dock |
| Navigation & app | ||
| Navigation | Smart mapping | - |
| App | Yes | Yes |
| Connectivity | Wi-Fi, Bluetooth | Wi-Fi |
| Scheduling | Yes | No |
| Retrieval | - | Tap & Lift, included hook, or waterline pickup notification |
| Caddy included | - | No |
| Build | ||
| Weight | 24.3 lb (11 kg) | 20 lb (9.1 kg) |
| Warranty | 3 years | 2 years |