Yuasa Starter battery for Marine M31-EFB
Description
Product information
The Yuasa M31-EFB is a high-performance battery specially developed for the demands of the marine sector. With 100 Ah capacity, high starting power and state-of-the-art EFB technology, it reliably ensures powerful engine starts and stable on-board power supply, even under harsh conditions at sea.
Highlights at a glance
- Dual purpose: Ideal for engine starting and powering on-board electronics.
- Modern EFB technology: Longer service life, more charge cycles and fast charging capability.
- Vibrolock construction: Particularly resistant to vibrations and shocks.
- Safe and comfortable: With flame arrester, carrying handles and double, leak-proof lid.
Maximum performance for demanding applications
The Yuasa M31-EFB belongs to the YBX Active Marine series and is perfect for yachts, motorboats, sailing boats and other watercraft. Its performance figures are impressive: With a capacity of 100 Ah, a cold starting current of 750 A (EN1) and 900 Marine Cranking Amps (MCA), it delivers reliable starting power even in adverse conditions. Thanks to the high vibration resistance of the Vibrolock design, the battery remains stable and functional even in heavy seas or when transported on a trailer
Efficiency meets long service life
The M31-EFB is designed for high cycle stability, making it suitable for both engine starting and for supplying electrical consumers on board. The advanced EFB technology (Enhanced Flooded Battery) ensures a longer service life, improved charge acceptance and reduced self-discharge. The battery is completely maintenance-free, has a charge status indicator and is leak-proof and safe in operation thanks to its flame-retardant, double-walled SMF lid
Robust technology for maritime use
The Yuasa M31-EFB can be integrated flexibly into different types of vessels. With compact dimensions of 330 x 173 x 240 mm, it fits in many standard battery compartments. Handy carrying handles make installation and removal easy. The recommended charging current is 7 A, which ensures the battery is optimally charged and protected. The dual terminal design enables versatile connection options, while low pressure exhaust valves ensure safe gas releaseM31-EFB_DATASHEET.
The battery meets high safety standards and is especially suitable for demanding applications in the marine sector where high operational safety and durability are required.
| Model | Yuasa Marine M31-EFB |
| Battery type | EFB (Enhanced Flooded Battery) |
| Rated voltage (V) | 12 |
| Capacity (Ah) | 105 (at 20h rate) |
| Cold start current (A) | 800 (EN) |
| Connection | Standard automotive post |
| Maintenance | Maintenance-free |
| Vibration resistance | Particularly high (for marine applications) |
| Operating temperature (°C) | -40 to +60 |
| Dimensions (L/W/H, mm) | 330 x 172 x 235 |
| Weight (kg) | 25.7 |
FAQs about the Yuasa Marine M31-EFB starter battery
What capacity and starting power does the battery offer?
The M31-EFB has a capacity of 100 Ah (C20) and delivers a cold starting current of 750 A (EN1) as well as 900 A Marine Cranking Amps (MCA).
For which applications is the battery suitable?
The M31-EFB is ideal for yachts, motorboats, sailing boats and other watercraft. It serves both as a starter battery and as an additional power source for on-board electronics.
Does the battery have safety features?
Yes, the battery has an integrated flame arrester, carrying handles and a charge level indicator.
Which technology is used?
The battery uses next-generation EFB technology (Enhanced Flooded Battery), which enables increased longevity, more available cycles and faster charging.
Is the battery vibration resistant?
Yes, thanks to the Vibrolock construction it offers enhanced vibration resistance, making it especially suitable for use in marine environments.
Properties
| Capacity: | 90Ah |
|---|---|
| Tension: | 12V |
Documents 1
Reviews 0
Login