Lifeline Ventures

Lifeline Ventures is a Helsinki-based venture capital firm that concentrates on early-stage investments in health, games, web and technology sectors. Founded in 2009 by serial entrepreneurs, the firm partners with founders from the earliest days and primarily targets opportunities in Finland, while pursuing select investments abroad. It supports inception-to-Series A rounds and typically commits between €0.15 million and €2 million per deal.

Timo Ahopelto

Partner

Kai Backman

Partner

Elina Holkko

CFO and Partner

Petteri Koponen

Partner

Juha Lindfors

Partner

Past deals in Energy Storage

Soldera

Seed Round in 2025
Soldera is a technology company that facilitates renewable energy trading. It offers an automated platform designed to manage the lifecycle of guarantees of origin, reducing administrative tasks by 95%. This enables renewable energy producers to increase revenue, streamline processes, and efficiently access sales opportunities in the origin trading market.

Steady Energy

Series B in 2025
Steady Energy specializes in developing low-temperature nuclear reactors designed for district heating and industrial applications. Their innovative technology operates at lower temperatures and pressures than traditional reactors, ensuring safety and efficiency while facilitating the transition towards carbon-neutral energy.

Synergi

Seed Round in 2024
Synergi specializes in smart electricity management and demand response solutions for households. The company develops software aimed at facilitating the transition to sustainable energy sources by aggregating household energy resources. This platform addresses issues related to grid imbalance while promoting efficient energy usage. Additionally, Synergi manufactures energy hardware, including electric vehicles, solar panels, and heating and cooling devices, all designed to optimize electricity consumption. By focusing on these areas, Synergi enables individuals to reduce their energy consumption and contribute to a more sustainable energy landscape.

Photoncycle

Seed Round in 2024
Photoncycle is a technology company focused on transforming electricity generation, storage, consumption, and payment systems. It develops distributed energy solutions that are space-efficient, autonomous, and solar-powered, aiming to make clean, sustainable power accessible and affordable for both households and businesses.

Steady Energy

Venture Round in 2024
Steady Energy specializes in developing low-temperature nuclear reactors designed for district heating and industrial applications. Their innovative technology operates at lower temperatures and pressures than traditional reactors, ensuring safety and efficiency while facilitating the transition towards carbon-neutral energy.

Steady Energy

Seed Round in 2023
Steady Energy specializes in developing low-temperature nuclear reactors designed for district heating and industrial applications. Their innovative technology operates at lower temperatures and pressures than traditional reactors, ensuring safety and efficiency while facilitating the transition towards carbon-neutral energy.

Synergi

Pre Seed Round in 2022
Synergi specializes in smart electricity management and demand response solutions for households. The company develops software aimed at facilitating the transition to sustainable energy sources by aggregating household energy resources. This platform addresses issues related to grid imbalance while promoting efficient energy usage. Additionally, Synergi manufactures energy hardware, including electric vehicles, solar panels, and heating and cooling devices, all designed to optimize electricity consumption. By focusing on these areas, Synergi enables individuals to reduce their energy consumption and contribute to a more sustainable energy landscape.

P2X Solutions

Seed Round in 2021
P2X Solutions is a producer of green hydrogen and a pioneer in power-to-x technology. The company focuses on producing and refining hydrogen in a cost-effective manner to facilitate the development of synthetic fuels. By harnessing innovative technologies, P2X Solutions aims to support the transition to sustainable products, contributing to an emission-free society. Its efforts are geared towards promoting a better future through the advancement of renewable energy solutions.

Akkurate Oy

Convertible Note in 2020
Akkurate Oy is a Finnish company based in Kaarina that provides comprehensive battery consulting and engineering services. Founded in 2016, it offers technology consulting, specification optimization, and charging system design. The firm conducts extensive testing and analysis, including electrical performance tests such as capacity, impedance, cycle life, and extreme temperature evaluations. Safety testing covers protection circuit verification, abuse safety, mechanical safety, nail penetration, and thermal hazard assessments. Akkurate also performs battery analysis through x‑ray (2D/3D CT‑scan), teardown, and SEM studies. Additionally, the company develops software solutions to support battery design and evaluation. Its multidisciplinary team delivers agile, risk‑reducing services across the lithium‑ion battery supply chain.

Akkurate Oy

Venture Round in 2018
Akkurate Oy is a Finnish company based in Kaarina that provides comprehensive battery consulting and engineering services. Founded in 2016, it offers technology consulting, specification optimization, and charging system design. The firm conducts extensive testing and analysis, including electrical performance tests such as capacity, impedance, cycle life, and extreme temperature evaluations. Safety testing covers protection circuit verification, abuse safety, mechanical safety, nail penetration, and thermal hazard assessments. Akkurate also performs battery analysis through x‑ray (2D/3D CT‑scan), teardown, and SEM studies. Additionally, the company develops software solutions to support battery design and evaluation. Its multidisciplinary team delivers agile, risk‑reducing services across the lithium‑ion battery supply chain.

Akkurate Oy

Seed Round in 2016
Akkurate Oy is a Finnish company based in Kaarina that provides comprehensive battery consulting and engineering services. Founded in 2016, it offers technology consulting, specification optimization, and charging system design. The firm conducts extensive testing and analysis, including electrical performance tests such as capacity, impedance, cycle life, and extreme temperature evaluations. Safety testing covers protection circuit verification, abuse safety, mechanical safety, nail penetration, and thermal hazard assessments. Akkurate also performs battery analysis through x‑ray (2D/3D CT‑scan), teardown, and SEM studies. Additionally, the company develops software solutions to support battery design and evaluation. Its multidisciplinary team delivers agile, risk‑reducing services across the lithium‑ion battery supply chain.
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