AGM batteries
Filters
13 products
AGM Batteries – Robust & Maintenance-Free Power for Your Vehicle or Solar System
AGM batteries (Absorbent Glass Mat) are the proven and cost-effective solution when you need a reliable, maintenance-free, and long-lasting power source. Whether as a starter battery in your motorhome, a service battery on your boat, or for smaller solar systems – AGM batteries are versatile, durable, and significantly more affordable compared to modern Lithium or LiFePO₄ systems.
What Is an AGM Battery?
An AGM battery is a special type of lead-acid battery in which the electrolyte is absorbed into a glass fiber mat. This makes the batteries leak-proof, vibration-resistant, and entirely maintenance-free. They are ideal for applications that require solid reliability and good value for money – from starter batteries to service batteries and small-scale solar storage systems.
How to Choose the Right AGM Battery
- Capacity (Ah): Choose based on your energy needs – smaller models (50–100 Ah) for boats & starters, larger models (100–200 Ah) for solar systems or motorhomes.
- Temperature resistance: AGM batteries maintain their performance even in cold conditions – ideal for winter use.
- Maintenance-free: No refilling or checking electrolyte levels – simply install and use.
- Cost factor: Significantly cheaper than lithium systems while offering solid performance – ideal for beginners or occasional use.
- Service life: Long lifespan with proper charging and care – typically 3 to 6 years.
Typical Applications
- Motorhomes & Camping: As a reliable service or starter battery.
- Boats & Marine: Ideal for onboard power, navigation & lighting.
- Small solar systems: For garden sheds, off-grid projects, or weekend cabins.
- Backup power & UPS: Reliable energy supply during outages.
Advantages at a Glance
- Robust & leak-proof construction
- Maintenance-free & vibration-resistant
- Affordable alternative to lithium systems
- Good cold resistance & durable with proper use
- High power output for starter & consumer applications
- No electrolyte loss – safe and easy installation
AGM vs. LiFePO₄ – A Comparison
While LiFePO₄ batteries excel with extremely high cycle life and low weight, AGM batteries are the cost-effective choice for those relying on a proven and robust system. AGM batteries are excellent as starter batteries or for seasonal use – anywhere the battery is not deeply discharged on a daily basis.
Recommended Add-Ons
- Solar charge controllers – for optimal charging & battery lifespan
- Solar panels – for energy supply in your camper or garden shed
- Inverters – for 230V devices on the go
- Battery accessories – cables, fuses & connection kits
Why Solarkontor?
At Solarkontor, you’ll find tested AGM batteries from leading manufacturers at fair prices. Our experts help you select the right model for your application – whether as a starter battery, solar power supply, or stationary storage. Rely on proven technology when reliability and cost efficiency matter most.
Discover Now & Store Energy Safely
Find your ideal AGM battery at Solarkontor – robust, maintenance-free, and perfect for motorhomes, boats, or solar systems.
FAQ | 6 frequently asked questions about AGM batteries
What does AGM mean in the context of batteries?
AGM stands for "Absorbent Glass Mat". The electrolyte is bound in a glass fiber fleece, making the battery leak-proof and maintenance-free.
Are AGM batteries truly maintenance-free?
Yes, they don't need to be refilled or checked regularly. The only important thing is that they are charged correctly – ideally with a suitable solar charge controller.
How long does an AGM battery last?
With proper care, 3 to 6 years. Deep discharges should be avoided to extend the lifespan.
What is the difference between AGM and gel batteries?
Gel batteries are somewhat more sensitive to high currents, while AGM batteries deliver higher starting currents and are therefore more versatile.
Can I use AGM batteries with solar panels?
Yes, they are well suited for smaller solar systems or as storage in a motorhome. However, a solar charge controller is mandatory to protect the battery.
Are AGM batteries suitable for winter use?
Yes, they function reliably even at low temperatures and are therefore particularly suitable for camping and outdoor use.
