Alsym Energy vs Marstek Energy
Alsym Energy vs Marstek Energy, compared side by side on 19 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 Marstek Energy on 40/100.
Where each one leads
Alsym Energy
- our overall score: 61/100 against 40/100
- headcount: 75 against 40
- funding raised: $155M against $3.3M
- LinkedIn following: 14,795 against 2,684
Marstek Energy
- agent readiness: 55/100 against 45/100
- domain rating: 44/100 against 35/100
- headcount growth: +202.0% against +36.7%
At a glance
| Measure | Alsym Energy | Marstek Energy |
|---|---|---|
| What it is | Develops non-flammable, high-performance, low-cost sodium-ion batteries for energy storage. | Global innovator in energy storage solutions, integrating R&D and manufacturing for residential, portable, and industrial applications. |
| Category | Energy Storage, Battery Technology, Clean Energy, Climate Tech | Energy Storage, Battery Technology, Clean Energy, Consumer Electronics |
| Sells toBusiness model | B2B | B2B |
| Offering | Hardware | Hardware |
| Founded | 2015 | 2020 |
| Headquarters | Palo Alto, United States | Shenzhen, China |
| Status | Active | Active |
Size, funding and growth
| Measure | Alsym Energy | Marstek Energy |
|---|---|---|
| Employees | 75 | 40 |
| Headcount growthLast 12 months | +36.7% | +202.0% |
| Total funding | $155M | $3.3M |
| Latest round | Series A | Seed |
| LinkedIn followers | 14,795 | 2,684 |
StartupHub scores
Our own 0-100 ratings. They measure company strength and site quality, not which product suits you.
| Measure | Alsym Energy | Marstek Energy |
|---|---|---|
| StartupHub scoreOur 0-100 rating | 61/100 | 40/100 |
| Traction | Not published | 49/100 |
| Team | 60/100 | Not published |
| Search visibility | 75/100 | 28/100 |
| Quality | Not published | 45/100 |
| Agent readinessHow well an AI agent can read and act on the site | D (45/100) | D (55/100) |
| Domain ratingLink authority, 0-100 | 35/100 | 44/100 |
Technology
Detected on each public site, so it reflects the marketing stack as well as the product.
| Measure | Alsym Energy | Marstek Energy |
|---|---|---|
| CDN | Cloudflare | Cloudflare |
| CMS | WordPress | Shopify |
| Frameworks | Jquery | Not detected |
| Analytics | Google Analytics 4 | Google Analytics 4, Google Tag Manager |
| Support stack | HubSpot | Not detected |
What users say
| Measure | Alsym Energy | Marstek Energy |
|---|---|---|
| Reddit sentimentThreads we track | Not published | 0 positive, 1 negative across 1 thread |
“Marstek keine Garantie ? Marktmanipulation ?. Also ich weiß ja nicht, das hat alles einen seltsamen Geschmack... Ein Händler erzählte mir, dass eine E-Mail ins Haus kam, welche sinngemäß so viel aussagte wie: "Ihr verkauft unseren Spei”r/Balkonkraftwerk
Alsym Energy vs Marstek Energy: common questions
Which is better, Alsym Energy or Marstek Energy?
On our 0-100 score Alsym Energy rates higher (61/100 against 40/100). 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 19 data points above: read the rows that match what you are buying for.
How do Alsym Energy and Marstek Energy compare on the numbers?
Alsym Energy leads on our overall score (61/100 against 40/100), headcount (75 against 40), funding raised ($155M against $3.3M), LinkedIn following (14,795 against 2,684). Marstek Energy leads on agent readiness (55/100 against 45/100), domain rating (44/100 against 35/100), headcount growth (+202.0% against +36.7%).
What do real users say about Alsym Energy and Marstek Energy?
Marstek Energy: 0 positive and 1 negative mentions across 1 Reddit threads we track, mostly in r/Balkonkraftwerk.
Read the full Alsym Energy review and pricing or the Marstek Energy review and pricing. You can also browse other Alsym Energy alternatives we track.