Alsym Energy vs Fourth Power
Alsym Energy vs Fourth Power, compared side by side on 13 data points: what each one does, how big it is, what it has raised, the tech running each site, and what users report. We score both out of 100 on traction, team and visibility: Alsym Energy is on 61/100 and Fourth Power on 51/100.
Where each one leads
Alsym Energy
- our overall score: 61/100 against 51/100
- agent readiness: 45/100 against 22/100
- domain rating: 35/100 against 1/100
- funding raised: $155M against $49.0M
Fourth Power
Leads on none of the measures we hold for both companies.
At a glance
| Measure | Alsym Energy | Fourth Power |
|---|---|---|
| What it is | Develops non-flammable, high-performance, low-cost sodium-ion batteries for energy storage. | Developing advanced battery technology for grid-scale energy storage. |
| Category | Energy Storage, Battery Technology, Clean Energy, Climate Tech | Energy Storage, Battery Technology, Clean Energy, Grid Modernization |
| Sells toBusiness model | B2B | B2B |
| Offering | Hardware | Hardware |
| Founded | 2015 | 2017 |
| Headquarters | Palo Alto, United States | San Carlos, United States |
| Status | Active | Active |
Size, funding and growth
| Measure | Alsym Energy | Fourth Power |
|---|---|---|
| Employees | 75 | Not published |
| Headcount growthLast 12 months | +36.7% | Not published |
| Total funding | $155M | $49.0M |
| Latest round | Series A | Series A-Plus |
| LinkedIn followers | 14,795 | Not published |
StartupHub scores
Our own 0-100 ratings. They measure company strength and site quality, not which product suits you.
| Measure | Alsym Energy | Fourth Power |
|---|---|---|
| StartupHub scoreOur 0-100 rating | 61/100 | 51/100 |
| Team | 60/100 | Not published |
| Search visibility | 75/100 | 2/100 |
| Agent readinessHow well an AI agent can read and act on the site | D (45/100) | F (22/100) |
| Domain ratingLink authority, 0-100 | 35/100 | 1/100 |
Technology
Detected on each public site, so it reflects the marketing stack as well as the product.
| Measure | Alsym Energy | Fourth Power |
|---|---|---|
| CDN | Cloudflare | Not detected |
| CMS | WordPress | Not detected |
| Frameworks | Jquery | Not detected |
| Analytics | Google Analytics 4 | Not detected |
| Support stack | HubSpot | Not detected |
Alsym Energy vs Fourth Power: common questions
Which is better, Alsym Energy or Fourth Power?
On our 0-100 score Alsym Energy rates higher (61/100 against 51/100). The score weights traction, team, visibility and profile completeness, so it reflects company strength rather than which product suits you. We compare the two on 13 data points above: read the rows that match what you are buying for.
How do Alsym Energy and Fourth Power compare on the numbers?
Alsym Energy leads on our overall score (61/100 against 51/100), agent readiness (45/100 against 22/100), domain rating (35/100 against 1/100), funding raised ($155M against $49.0M).
Read the full Alsym Energy review and pricing or the Fourth Power review and pricing. You can also browse other Alsym Energy alternatives we track.