Since both were boiling I would suspect the charger but you can't rule out a bad run of batteries at the factory. I would exchange the charger and have the batteries load tested.
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Since both were boiling I would suspect the charger but you can't rule out a bad run of batteries at the factory. I would exchange the charger and have the batteries load tested.
Fair Winds and Following Seas
Bill H. PTC USN Ret
Chesapeake, Va