# Zlatko Penic

> Zlatko Penic is a seed investor backing Energy and Power Grid. See 4 investments, check sizes, portfolio and contact details. Updated Sep 2026.

- Type: Angel Investor
- Total investments: 4
- Last investment: Dec 2019
- Lead investor: 100%
- Last updated: Sep 2026

Zlatko Penic is a seed investor focused on Energy and Power Grid.

## Contacts

5 contacts available for Zlatko Penic: work email, personal email, work phone, personal phone and socials. Sign up free to unlock them: https://app.shizune.co/sign-up/investor-profiles/find-email/zlatko-penic?utm_source=investor_profile

## Round sizes

| Stage | Round size |
| --- | --- |
| Seed | $400k–$400k |
| Debt Financing | $700k–$1.5M |

## Investment focus

### Industry

| Industry | Investments | Share |
| --- | --- | --- |
| Energy | 1 | 25% |
| Power Grid | 1 | 25% |
| Smart Home | 1 | 25% |
| Energy Storage | 1 | 25% |
| Smart Building | 1 | 25% |

7 industries tracked in total.

### Stage

| Stage | Investments | Share |
| --- | --- | --- |
| Seed | 1 | 25% |
| Debt Financing | 1 | 25% |

## Investments

| Company | Description | Amount | Stage | Date | Website |
| --- | --- | --- | --- | --- | --- |
| WATTS BATTERY | Watts Battery solar modular energy storage system provides ready-to-use backup power, solar access for home or apartment. Our intelligent virtual power platform, able to manage residential customer power needs vs demand response and frequency regulation services, leveraging behind-the-meter data and uses innovative demand response algorithms tosupport grid services through a negative demand approach at the customer site, making possible to have additional revenue for homeowner | $1.5M | Debt Financing | Dec 01, 2019 | https://x.com/wattsbattery |
| WATTS BATTERY | Watts Battery solar modular energy storage system provides ready-to-use backup power, solar access for home or apartment. Our intelligent virtual power platform, able to manage residential customer power needs vs demand response and frequency regulation services, leveraging behind-the-meter data and uses innovative demand response algorithms tosupport grid services through a negative demand approach at the customer site, making possible to have additional revenue for homeowner | $700K | Debt Financing | Oct 01, 2018 | https://x.com/wattsbattery |
| WATTS BATTERY | Watts Battery solar modular energy storage system provides ready-to-use backup power, solar access for home or apartment. Our intelligent virtual power platform, able to manage residential customer power needs vs demand response and frequency regulation services, leveraging behind-the-meter data and uses innovative demand response algorithms tosupport grid services through a negative demand approach at the customer site, making possible to have additional revenue for homeowner | $400K | Seed | Jul 04, 2018 | https://x.com/wattsbattery |
| WATTS BATTERY | Watts Battery solar modular energy storage system provides ready-to-use backup power, solar access for home or apartment. Our intelligent virtual power platform, able to manage residential customer power needs vs demand response and frequency regulation services, leveraging behind-the-meter data and uses innovative demand response algorithms tosupport grid services through a negative demand approach at the customer site, making possible to have additional revenue for homeowner | $400K | Seed | Nov 01, 2017 | https://x.com/wattsbattery |

4 of 4 investments shown.

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## FAQ

### What does Zlatko Penic invest in?

Zlatko Penic invests primarily in Energy, Power Grid and Smart Home startups, most often at Seed and Debt Financing stage. Most of the 4 investments tracked by Shizune back companies in United States. The Investment Focus section breaks down every industry, stage and country in the portfolio.

### What is Zlatko Penic's check size?

Zlatko Penic typically joins rounds of $400k–$400k at Seed and $700k–$1.5M at Debt Financing. These ranges are 10th–90th percentile round sizes calculated from confirmed public funding rounds, so they are a realistic guide to the rounds Zlatko Penic participates in.

### How do I contact Zlatko Penic?

For a verified work email and phone number, create a free Shizune account — contact data is searched across 20+ sources and validated before delivery, so your outreach lands in the right inbox.

### When did Zlatko Penic last invest?

The most recent investment recorded for Zlatko Penic closed in Dec 2019. Shizune tracks 4 investments in total for this profile, including round sizes, stages and portfolio companies, all sourced from confirmed public funding rounds and refreshed monthly.

### Is Shizune's investor data accurate?

Yes — every stat on this profile is calculated from confirmed public funding rounds monitored across hundreds of sources since 2020. This profile was last refreshed in Sep 2026 and is updated monthly. Spotted something off? Use the “Suggest an edit” link near the top of the page.

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