Base Power Base Core: published figures and sources

Published figures

No figures have been collected for usable energy, continuous power, motor-start current, end-of-warranty capacity, and warranty throughput.

Base Power Base Core: 5 published figures
Figure	Value	Publisher	Source
Nominal energy	39.2 kWh	Manufacturer Not yet checked	Spec sheet, at Base Core System Specifications / Total energy, retrieved Sep 25, 2026, dated Sep 25, 2026
Units per system	2 units	Manufacturer Checked against the document	Web page, at article, retrieved Sep 25, 2026, dated Aug 4, 2026 page cited, no quote
Largest stack	78.4 kWh	Manufacturer Checked against the document	Web page, at article, retrieved Sep 25, 2026, dated Aug 4, 2026offering either 39.2 or 78.4 kWh of energy storage
Lowest operating temperature	−30°C	Manufacturer Not yet checked	Spec sheet, at Operating temperature, retrieved Sep 25, 2026, dated Sep 25, 2026
Highest operating temperature	50°C	Manufacturer Not yet checked	Spec sheet, at Operating temperature, retrieved Sep 25, 2026, dated Sep 25, 2026

Stated stack range

Largest stated stack: 78.4 kWh (energy basis not stated) (2 units).

Web page, at article, retrieved Sep 25, 2026, dated Aug 4, 2026offering either 39.2 or 78.4 kWh of energy storage

Compare stated stack ranges.

Stated temperature limits

Stated operating range: −22°F (−30°C) to 122°F (50°C).

Spec sheet, at Operating temperature, retrieved Sep 25, 2026, dated Sep 25, 2026 Not yet checked

Compare temperature limits.

After you enter a ZIP code, day counts describe outdoor air at the nearest station. A garage or indoor unit sees different air from the station. Output reductions inside the stated range are not counted.

Features the manufacturer states

Base Power Base Core: stated features
Feature	Stated	Source
Chemistry	LFP Not yet checked	Web page, at FAQ, retrieved Sep 25, 2026, dated Sep 25, 2026
Whole-home backup	Yes Not yet checked	Web page, at product page, retrieved Sep 25, 2026, dated Sep 25, 2026
Enclosure rating	IP67 (submersion test) Not yet checked	Web page, at FAQ, retrieved Sep 25, 2026, dated Sep 25, 2026
Grid voltage	120/240 V AC Not yet checked	Spec sheet, at AC voltage (Nominal), retrieved Sep 25, 2026, dated Sep 25, 2026
Dimensions	779 x 912 x 559 mm Not yet checked	Spec sheet, at Width / Height / Depth, retrieved Sep 25, 2026, dated Sep 25, 2026
Place of assembly	USA (Austin, Texas) Checked against the document	Web page, at article, retrieved Sep 25, 2026, dated Aug 4, 2026The batteries are being manufactured at Base Factory 1 in Austin
Product status	current Checked against the document	Web page, at article, retrieved Sep 25, 2026, dated Aug 4, 2026The Base Core is available now in Texas and Illinois
Launched	2026 Checked against the document	Web page, at headline, retrieved Sep 25, 2026, dated Aug 4, 2026 page cited, no quote

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: Yes
Spec sheet, at Certifications, retrieved Sep 25, 2026, dated Sep 25, 2026 Not yet checked
UL 9540A tested: Yes
Spec sheet, at footer, retrieved Sep 25, 2026, dated Sep 25, 2026 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.