Savant Power Storage 20
Savant states 20 kWh nominal energy.
Savant states 12.5 kW continuous power.
Warranty terms: 10 years; warranted throughput: 73 MWh; warranted cycles: 3,650 cycles; capacity at warranty end: 75%.
Brand: Savant
Published figures
No figures have been collected for usable energy, motor-start current, and units per system.
| Figure | Value | Publisher | Source |
|---|---|---|---|
| Nominal energy | 20 kWh | Manufacturer Not yet checked | Spec sheet, at p1 / BATTERY, retrieved Sep 23, 2026, dated Mar 3, 2025 |
| Continuous power | 12.5 kW | Manufacturer Not yet checked | Spec sheet, at p1 / INVERTER, retrieved Sep 23, 2026, dated Mar 3, 2025 |
| Peak power (power side and duration not stated) | 30 kW | Manufacturer Not yet checked | Spec sheet, at p1 / INVERTER, retrieved Sep 23, 2026, dated Mar 3, 2025 |
| Surge power | 24 kW | Manufacturer Not yet checked | Spec sheet, at p.1 Inverter / Maximum Surge Output (Off Grid), retrieved Sep 23, 2026, dated Mar 3, 2025 |
| Round-trip efficiency | 93.8% | Manufacturer Not yet checked | Spec sheet, at p1 / INVERTER, retrieved Sep 23, 2026, dated Mar 3, 2025 |
| Lowest operating temperature | 0°C | Manufacturer Not yet checked | Spec sheet, at p2 / PHYSICAL SPECIFICATIONS, retrieved Sep 23, 2026, dated Mar 3, 2025 |
| Highest operating temperature | 45°C | Manufacturer Not yet checked | Spec sheet, at p2 / PHYSICAL SPECIFICATIONS, retrieved Sep 23, 2026, dated Mar 3, 2025 |
| Weight | 272.2 kg | Manufacturer Not yet checked | Spec sheet, at p.2 Physical Specifications, retrieved Sep 23, 2026, dated Mar 3, 2025 |
See it on the home battery chart
Stated temperature limits
Stated operating range: 32°F (0°C) to 113°F (45°C).
Warranty terms
| Term | Figure | Document |
|---|---|---|
| Warranty | 10 years | Spec sheet, at p1 / LIFE CYCLE, retrieved Sep 23, 2026, dated Mar 3, 2025 |
| Warranted throughput | 73 MWh | Spec sheet, at p1 / LIFE CYCLE, retrieved Sep 23, 2026, dated Mar 3, 2025 |
| Warranted cycles | 3,650 cycles | Spec sheet, at p1 / LIFE CYCLE, retrieved Sep 23, 2026, dated Mar 3, 2025 |
| Capacity at warranty end | 75% | Spec sheet, at p1 / LIFE CYCLE, retrieved Sep 23, 2026, dated Mar 3, 2025 |
The stated 73 MWh equals 3,650 full cycles of its 20 kWh nominal energy.
Features the manufacturer states
| Feature | Stated | Source |
|---|---|---|
| Chemistry | LFP Not yet checked | Spec sheet, at p1 / BATTERY, retrieved Sep 23, 2026, dated Mar 3, 2025 |
| Coupling | AC or DC Not yet checked | Spec sheet, at p.1 Power Source Compatibility, retrieved Sep 23, 2026, dated Mar 3, 2025 |
| Whole-home backup | Yes Not yet checked | Spec sheet, at p.2 diagram title, retrieved Sep 23, 2026, dated Mar 3, 2025 |
| Backup | Partial-home (single unit) or whole-home (stacked units) backup via Savant Power Modules / Power Director, grid transfer < 70 ms, automatic generator support Not yet checked | Spec sheet, at p.1 Inverter / Grid Transfer Time, retrieved Sep 23, 2026, dated Mar 3, 2025 |
| Built-in inverter | Yes Not yet checked | Spec sheet, at p.1 description, retrieved Sep 23, 2026, dated Mar 3, 2025 |
| Enclosure rating | NEMA 4X Not yet checked | Spec sheet, at p.2 Physical Specifications, retrieved Sep 23, 2026, dated Mar 3, 2025 |
| Nominal battery voltage | 409.6 V Not yet checked | Spec sheet, at p.1 Battery, retrieved Sep 23, 2026, dated Mar 3, 2025 |
| Grid voltage | 120/240 V AC Not yet checked | Spec sheet, at p.1 Inverter, retrieved Sep 23, 2026, dated Mar 3, 2025 |
| Dimensions | 2170 x 650 x 330 (H x W x D) mm Not yet checked | Spec sheet, at p.2 drawing, retrieved Sep 23, 2026, dated Mar 3, 2025 |
Government and program lists
This product is on none of the lists this site reads.
Installs
No install count this site publishes covers this product.
Recalls and safety notices
No notice in the recall sources this site reads is matched to this product. That is not a safety finding. See every recall notice.
- UL 9540 listed: YesSpec sheet, at p.1 Certifications / Safety Standards, retrieved Sep 23, 2026, dated Mar 3, 2025 Not yet checked
The maker states the listing or test. The listing body's records have not been checked.
Backup hours from your load
This battery has no maker-stated usable energy on this site.