Knowledge base
Home batteries, explained
Capacity, cell chemistry, dynamic tariffs: what decides what a home battery gives you? Per topic you read what you need to know before you choose, without a sales pitch.
All articles
21 articles, each with the date of the last update.
- What is a home battery and what does it do?What is a home battery, what does it do and what does it not do? An explanation of storage, self-consumption, payback, placement and safety.7 min read
- Home battery capacity: how many kWh do you need?Calculate home battery capacity in three steps, with a worked example, nominal versus usable capacity and the size and expansion of each model in the shop.7 min read
- Home battery with solar panels: worth it?A home battery with solar panels: what storage does next to your panels, what the end of net metering changes and when a battery makes sense.5 min read
- LFP or NMC home battery: what is the difference?LFP or NMC home battery? How cell chemistry, safety and weight differ, with a pointer to the cycles and warranty of each model in the Voltravo range.4 min read
- Home battery and dynamic contract: how it worksA home battery with a dynamic contract: how charging at low prices works, what negative prices mean and which models list dynamic control.8 min read
- Home battery 1-phase or 3-phase: what fits you?Is your connection 1-phase or 3-phase? How to check, and how to choose between a plug-and-play battery and a system with professional installation.8 min read
- Connecting a plug-and-play home battery safelyConnecting a home battery with a plug: what to watch for with socket, circuit, power, earthing and registration, with sources and caveats.6 min read
- Net metering ends in 2027: what does it mean for your home battery?Net metering (salderen) ends on 1 January 2027. What changes for your feed-in fee, feed-in costs and bill, and what can a home battery do and not do? Explained with sources.8 min read
- What does a home battery cost? VAT, subsidy and loans in 2026What does a home battery cost, is there a subsidy (not national, but in Flevoland), can you reclaim VAT or borrow via the Warmtefonds? With sources.10 min read
- Feed-in costs and feed-in fee explainedWhat are feed-in costs, how high is the feed-in fee after 1 January 2027 and why can feeding back cost you money? Explained with official sources.6 min read
- Choosing a home battery: buying guide and comparisonWhich home battery should you choose? Capacity, power, connection, phase and warranty at a glance, with a comparison table of our models in the shop.7 min read
- Home battery lifespan: cycles, warranty and wearHow long does a home battery last? What charge cycles, DoD and 60% EOL mean, how wear works and which warranty you have: statutory and from the manufacturer.6 min read
- Placing and maintaining a home battery fire-safelyWhere do you put a home battery, how do you connect it safely and what do you check twice a year? The advice of the fire service and NIPV in one place.5 min read
- Home battery without solar panels: is it possible?A home battery without solar panels works with a dynamic contract: charging when electricity is cheap. What it can do, what it cannot do and what to watch for.4 min read
- Is a home battery worth it? Profile check after 2027Whether a home battery pays off depends mostly on its price. Check in one table what your usage, solar panels and contract mean, with sources.8 min read
- Calculate the payback time of a home batteryCalculate the payback time of a home battery yourself. Open formula, all assumptions visible, a worked example and the results of independent research.7 min read
- Home battery: fixed or dynamic contract after 2027?Fixed or dynamic contract with your home battery? What the research shows, what the law says about feeding back and which choice fits your battery.7 min read
- Home battery and grid congestion: how to use it grid-awareCan a home battery help the grid or put it under strain? What grid-aware use is, why registration is mandatory and what the grid operators say.5 min read
- Time-based grid tariffs from 2029: what does it mean?The ACM proposes time-based grid tariffs from 1 January 2029. What is a draft, what is decided, and what can a home battery do about it? Explained with sources.9 min read
- Registering a home battery: step by stepDo you have to register your home battery? From 0.8 kW, yes. Here is how to register it on energieleveren.nl, plug-and-play models included, in a few steps.4 min read
- Home battery and energy label: does it count?Does a home battery count for your energy label? RVO names 5 kWh as the threshold. Read why a plug-in battery does not count and how big the effect is.7 min read
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