Don't recall my brand off hand. But it is a tender, not a charger. You do want a tender as it charges and puts a load on the battery, not just continuously charge it a burn it out I use a single tender on my two batteries. You just have to hook it up right. If you desire to use it with the battery hooked up to the ski, nothing over 2.5 amps, do not have the lanyard on the DESS, and if there is a boost option, don't use it to start the ski. All of the above are critical so as not to smoke the MPEM.
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