Watti Home Gen2 S vs Watti Pro Gen2 Slim, 80 A
Paired because they are the same brand one step apart on output current: 48 amps against 80 amps, each represented by that brand's cheapest model carrying a verified price at its step. Prices checked September 9, 2026.
| Specification | Watti Home Gen2 S | Watti Pro Gen2 Slim, 80 A |
|---|---|---|
| Verified price | $998 | $4,991 |
| Output power | 11.52 kW | 19.2 kW |
| Max output current | 48 A | 80 A |
| Cable length | 25 ft | 25 ft |
| Connector | J1772 or NACS | J1772 or NACS |
| Product type | Level 2 | Level 2 |
| Form factor | Wall-mounted | Wall-mounted |
| Warranty | 3 years | 3 years |
| Enclosure | NEMA 4 (IP65) | not verified |
| Safety listing | ETL certified | cETLus Listed |
Where they actually differ
- Verified price: $998 against $4,991.
- Output power: 11.52 kW against 19.2 kW.
- Max output current: 48 A against 80 A.
- Enclosure: Watti publishes NEMA 4 (IP65); Watti does not publish this.
- Safety listing: ETL certified against cETLus Listed.
On verified price the gap is $3,993, with the Watti Home Gen2 S lower. Price moves; the specification above does not.
Nothing here is called best. The table states what each one publishes, verified against a primary source or left blank, and the choice is yours.
Watti Home Gen2 S vs Watti Pro Gen2 Slim, 80 A questions
- What is the difference between the Watti Home Gen2 S and the Watti Pro Gen2 Slim, 80 A?
- Every difference this database records is in the table above, and there are 5 of them. Paired because they are the same brand one step apart on output current: 48 amps against 80 amps, each represented by that brand's cheapest model carrying a verified price at its step.
- Which one is cheaper?
- Watti Home Gen2 S at $998, a gap of $3,993 as verified on September 9, 2026. That is a price read from a retailer listing, not a manufacturer list price.
- How were these two models chosen?
- Paired because they are the same brand one step apart on output current: 48 amps against 80 amps, each represented by that brand's cheapest model carrying a verified price at its step. The rule is applied to the whole catalog, not chosen for these two after the fact. Nothing here is ranked by commission and nothing is called best.
Prices and specifications verified September 9, 2026, and re-checked weekly after that. How these numbers are checked.
Free guide: choosing a home EV charger
A practical worksheet covering amperage sizing, plug vs hardwired, smart features worth paying for, and the questions to ask your installer.
One confirmation email delivers the guide. Unsubscribe anytime. No spam, ever.