Fiamm 12FGH65 12V 18AH AGM VRLA Battery M5 | High Rate
FIAMM 12FGH65 12V 18Ah AGM VRLA Battery – High-Rate Backup Power
The FIAMM 12FGH65 is a high-performance 12V 18Ah sealed lead-acid battery designed for critical backup applications requiring high-rate discharge capabilities. Featuring advanced AGM technology and a fully sealed, maintenance-free construction, it provides reliable power for UPS, emergency systems, scooters, and more.This battery’s robust design ensures safe operation in any orientation, excellent charge retention, and rapid recovery from deep discharges. Its compact size and M5 terminals make installation easy in a wide range of backup power and high-discharge applications.
✅ High-Rate Performance: Delivers powerful bursts of energy for UPS, starters, and emergency systems.
✅ AGM VRLA Technology: Maintenance-free, sealed construction for safe, hassle-free operation.
✅ Compact & Versatile: Fits a variety of applications including security systems, medical devices, scooters, and UPS.
✅ Reliable & Safe: Non-spillable, flame-retardant ABS case; compliant with international safety standards.
✅ Orientation-Free: Can be installed upright or on its side.
- Buy from 1 to 1 for €85.00 each
- Buy from 2 to 3 for €80.75 each
- Buy from 4 to 5 for €76.50 each
- Buy from 6 to 7 for €72.25 each
- Buy from 8 and over for €68.00 each
TECHNOLOGIES
Fiamm technologies have been developed and optimized during years to meet different market needs. AGM-technology based products are manteinance free, as well as GEL-technology that enhances product behaviour even in critical conditions. Flooded products ensure high reliability thanks to a low maintenance and specific attitude to different discharge rates.






AGM Technology: (Absorbed Glass Mat) batteries offer improved performance with faster charging, longer life and safer operation. These Batteries are constructed with an absorbent glass-mat separator between the negative and positive plates. Special safety valves are fitted to minimize electrolyte dry-out ovet the life of the battery.
Gel Technology: Gel Batteries use a jellified electrolytrev between psitive and negative plates to minimise dry out of the cell. Batteries with a GEL internal structure are very versatile. They offer excellent long life and perform well in a wide range of temperature conditions.
Flooded Technology: Batteries with a flooded electrolyte are extremely robust and havethe longest life of lead acid accumulators. These cells are manufactured with clear containers showing electrolyte levels to allow periodic topping up.
QUALITY
FIAMM Energy Technology has consolidated its position as a leader in the provision of quality industrial batteries for some of the world’s most prestigious players.FIAMM Energy batteries are designed to deliver exceptional performance, safety, and reliability across a wide range of applications. Manufactured to the highest international standards, FIAMM batteries use advanced valve-regulated lead-acid (VRLA) technology to provide maintenance-free operation and long service life. With decades of experience in energy storage solutions, FIAMM is a trusted name in the battery industry, supplying power to critical systems worldwide — from UPS and security systems to telecommunications and medical devices.
APPLICATIONS
For over 70 years FIAMM Energy Technology has leveraged innovation and expertise to bring the best energy backup products and solutions to the market for every business. Thanks to this mentality we can predict the market necessities, guarantee clients satisfaction and build long-lasting relationship.












FGH
High-Rate Performance Battery
FGH range is designed for maximum performance in critical power applications such as UPS and is available in 12V blocks with a capacity range from 5Ah to 18Ah. The FGH batteries are designed with unsurpassed proven reliability and are compliant with the highest recognised international standards. The FGH range is designed around AGM VRLA technology with the exterior casing made in ABS plastic, fully recyclable, non-spillable and maintenance-free. FGH range is non- hazardous for air/sea/rail/road transportation. Batteries can be installed in upright and horizontal planes.


Fiamm Batteries, with a very long life spam classification, are designed for more than 12 years operation in accordance with the Eurobat Guide.


Flame Retardant Casing: Most Fiamm batteries are made with flame retardant plastic to provide an extra level of safety and customer assurance. This material o ffers maximum strenght over life.


Fiamm Lead Acid batteries are 99% recyclable. Our Products are perfect for the circular economy. Lead Recovered from our used batetries can be reprocess repeatedly without any loss on performance


Designed to perform in higher operating conditions with excellent life characteristics. In indoor applications such as data centres and general battery rooms, operators, when using these batteries, can increase room temperatures, and save on costly air-conditioning and other cooling costs.


















Replace Batteries
| Battery brand | Fiamm |
|---|---|
| Series | FGH |
| Type | VRLA Battery |
| Voltage | 12V |
| Amperage | 18 Ah |
| Battery Terminal | M5 |
| Chemistry | Pb |
| Technology | AGM |
| Maximum Discharge Current | Continuous (5-minute): ≈ 108 A, Short-duration (5-second): Up to ≈ 278 |
| Nominal Short Circuit Current for charged cell | ~ 500 A – 600 A |
| Maximum temperature resistance | Discharge: –20 °C to +50 °C, Charge: 0 °C to +40 °C, Storage: –20 °C to +50 °C |
| Maximun current resistance | ~16–18 mΩ |
| Approximate Internal Resistance | 17 mΩ |
| Self Discharge | ≤ 3% of capacity loss per month at 20–25 °C |
| Terminal | M5 bolt terminals |
| Container Material | ABS (UL94 HB flame retardant) |
| Dimensions L x W x H | 181 × 76 × 167 mm |
| Warranty | 1 Year |
| Weight | 6.2Kg |
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