Mighty Max ML4D battery features a good self-discharge rate. When the battery is discharged down to 50% DoD, it takes 25 Amps AGM battery charger some 5 hours to fully recharge 200 Ah battery (charging process is not 100% efficient!). Since maximum allowed charging current for Mighty Max ML4D battery is 52.5 Amps, good AGM battery charger with 25 Amps maximum current should be just fine. However, it is highly recommended to periodically charge the battery with a smart AGM battery charger that will charge the battery after analyzing its condition, and that will after charging, switch to equalization mode and in the end, switch automatically into the battery maintenance mode. Mighty Max ML4D battery may be charged using solar/wind battery chargers/controllers, using vehicle/boat built-in alternator, using battery chargers, etc. The maximum recommended charging voltage for cycle use is 14.4 - 14.7 volts, and for standby use 13.2 - 13.8 volts, with the maximum allowed charging current of 52.5 Amps. It is a very popular battery in its class and is used (and sometimes abused) in countless real-life situations. Mighty Max ML4D battery features M8 nuts and bolts terminals, ensuring strong and firm connection between the battery and cables. Mighty Max ML4D battery is SLA AGM battery designed for long standby operating life (up to 10 years) and for use in deep cycle applications, typically as solar/wind battery, security/medical battery, UPS battery, trolling motor battery, RV house battery, boat/yacht battery, industrial battery, etc. Note: We say 'only' because much smaller SLA AGM batteries feature similar internal resistance, short circuit current, and 5 seconds current - this is just to emphasize 'deep cycle' features of Mighty Max ML4D battery. After all, it is 4D battery.įully charged Mighty Max ML4D battery features internal resistance of ~4.3 mΩ at 77☏ (25☌), with the short circuit current of 'only' 3430 Amps and the maximum allowed 5 seconds discharge current of 'only' 1000 Amps. Mighty Max ML4D battery belongs to the BCI Group 4D batteries and features dimensions of (L x W x H) 20.9 x 8.23 x 8.46 (8.66 with terminals) inches (530 x 209 x 215 (220 with terminals) mm) and it weighs respectable 114.6 pounds (~52 kg).ĭespite that it also features carrying handles, carrying it around via handles is not recommended, not even to two adults - it is that big and heavy. Mighty Max ML4D Battery Features and Specifications Mighty Max ML4D is designed for deep cycle applications and is not suitable as cranking/starting battery, except for rather smallish gas and diesel engines, commonly found in power generators, smaller boats, and similar. Mighty Max ML4D is large and heavy Sealed Lead Acid (SLA) Absorbent Glass Mat (AGM) BCI Group 4D battery, being able to store large amounts of energy for powering various loads, including electric trolling motors, various pumps, winches, UPS devices, etc. UB-4D - 12 Volt 200Ah - Termina L4.Mighty Max ML4D 12V 200Ah 4D SLA AGM Deep Cycle Battery. Looking for the same battery with different terminals? You must use your existing wire and cables. Height: 8.47 inches - Total Height with Terminals: 9.09 inches.DOT 60 classified for easy transportation. Reliable power for critical applications. Exceptional leak resistance even in an upside-down position. Excellent resistance to vibration, shock, chemicals and heat. Our maintenance-free sealed lead acid batteries with absorbed glass mat technology offer outstanding performance withstanding high current output and deep cycling.
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