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Find out how to choose the best storage solution for your photovoltaic installation. Detailed comparison, price per kWh and expert advice on making the right investment.
Choosing a storage battery represents a major investment in your solar power system. With a variety of technologies (Lithium, Gel, AGM, OPzS, OPzV) and significant price differences, it's crucial to understand the real cost per useful kWh over the lifetime to make the right economic choice.
The solar battery market will be evolving rapidly in 2024. Faced with the diversity of technologies available, many buyers focus solely on the initial purchase price, neglecting essential criteria such as service life, number of cycles or depth of discharge.
Our comparative analysis, based on precise technical data, reveals the true cost of use and guides you towards the solution best suited to your needs and budget.
Lithium batteries today represent the most advanced technology for solar storage.
US3000C/US5000: Market reference, proven reliability, universal compatibility with hybrid inverters.
Proven technologies, ideal for starting out in solar storage on a budget.
Professional solutions designed for high-power installations and intensive use.
Methodology: This table compares the actual cost of use by calculating the price per usable kWh over the entire lifetime of the battery (cycles × usable capacity).
Note: Prices may vary according to market conditions.
alculations based on 50% discharge for lead, 80-95% for lithium.
→ Lithium Pylontech recommended
→ OPzS/OPzV depending on desired maintenance
→ Gel/AGM to start
→ Lithium mandatory (high cycles)
→ OPzS/OPzV excellent
compromise
→ Gel/AGM may suffice
→ Lithium (compact and lightweight)
→ Avoid OPzS,
refer OPzV/Lithium
→ OPzS/OPzV more resistant
For the majority of residential installations, Pylontech US series batteries offer the best compromise between performance, price and reliability.
heir running cost of €0.05/kWh makes them the most profitable investment over the long term.
Our Wattuneed experts will help you choose and size your storage system.
enefit from our experience and competitive prices.
Personalized advice 8:30am-4:30pm
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