Description
This battery can be used as starter battery for all outboard motors between 150 to 250hp and is fully compatible with Mercury and other leading brands
IONIC exceeds any charging or cranking requirements actually needed to work with the Mercury 4 stroke up to 250hp. We have thousands of customers using them for cranking batteries sense late 2019 with no issues
1,100 Cranking Amps*
Battery Management Systems (BMS) with power terminal cut-off and recovery
Built in cold weather protection – Does not take a charge if temperatures are below -4C or 24F in our case. Some variations with part tolerances.
If you regularly fish in below freezing temperatures, check out the 12V 125Ah with Built in Heater
70% lighter than lead acid batteries
Two to four times the service life (3000-5000 cycles)
Great for marine, RV, floor sweepers, lift gates, UPS systems, solar energy storage
Cell balancing and low voltage/over voltage protection, short-circuit protection
Bluetooth technology to monitor battery status
Maximize your energy potential with 99% Depth of Discharge (DOD)
Drop in replacements (plug and play)
Run as many needed in parallel. Learn more
Can go up to 4 in series with this battery
Comes with an 11 Year Battery Warranty to give you peace of mind with your purchase.
Compatible with the following chargers: Ionic, Noco Gen Pro, Dual Pro PS/ Auto, Minnkota Precision, Pro Mariner/Pro Tournament Elite, Stealth, Troll Bridge DC, Power Pole.
*Per Ionic Specifications
Magnuson-Moss Warranty Act: A vehicle manufacturer cannot legally void the warranty on a vehicle due to an aftermarket part unless they can prove that the aftermarket part caused or contributed to the failure in the vehicle (per the Magnuson Moss Warranty Act (15 U.S.C. 2302(C)). Ionic Batteries have proprietary software embedded in the Battery Management Systems that make them 100% compatible with Mercury 250 hp motors and other leading brands. Learn More













Ken Landry –
Haven’t been on the water yet, but so far pretty impressed.
Gavin Rome –
Couldn’t believe how long these batteries last!! Running 3 HDS 12’s and Garmin 12 with livescope! Lasts all
day and I charge them once every 3 trips out!!
Robert –
Trolling Motor Run time has doubled !
ReCharge time is cut in half -and boat weight is down. Win Win Win.
ORLANDO WATSON –
Battery holds charge better and longer than the interstates that they replaced. Customer service was amazing. Answered the phone 1st call and called me back as they said they would. Also ordered the battery and charger and was delivered the next day. Great company to deal with.
Dan Smith –
Purchased the Ionic 125 AH starting battery , fished a tournament running two 15 in humminbird, two 10 in garmin with live scope and 360 on the humminbird , aerators running all day along with power pole charge , I was blown away with how well the Ionic battery performed still had 13.23 volts at end of day , try that with an agm battery , not happening . Love the Ionic lithium ,will never go back to agm batteries ..Florida fishing at its best