Banshee marine batteries Replaces D27M 8027-127 900CCA Group 27 900CCA and can be used in both parallel and series for 24V, 36V, or 48V applications. These batteries must use only lithium-ion LiFeP04 chargers with this battery. Banshee batteries group 34M marine, RV, solar application LifePo4 lithium-ion battery there is nothing like it. If you're into boating, sailing, fishing, RV, or anything outdoors and you need power, Banshee has you covered. Our new super lightweight lithium-ion LifePo4 battery is 13 the weight and has 3x the life. Here are the highlights, CCA - 900, If you're boating or fishing and 900CCA won't get you started, it's too cold to be boating or fishing. Go home. Emergency start - If you ever accidentally run the battery down it has an emergency start function to get you home, and yes, it will recover. Dual terminal marine posts - Yes, real dual terminal marine posts - just like every other marine battery made since 1930. No need for adapters. Lightweight - Weighs 60% less than typical AGM or lead batteries. Extended life cycle - lasts 3X longer than AGM or SLA batteries. Additional features detail high power BMS “Battery Management System” - This will protect the battery from being overcharged, discharged, or even short-circuited. This feature regulates the amount of power being utilized and serves as an automatic shut-off system to protect the lithium-ion LiFeP04 cells. Green Energy - Nontoxic, no acid, no lead. It's not a Battery, It's a Banshee.