There is no internal battery.
Sorry, I wish I could help.
Don't know what the problem is.
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Bumblebee Batteries, LLC
Bumblebee Hybrid Fleet:
2000 MT Insight @ 250k; 2001 MT Insight @ 475k; 2001 MT Insight @ 160k; 2001 MT Insight @ 201k; 2003 MT HCH @ 160k; 2006 CVT HCH2 @ 205k; 2007 CVT FEH @ 210k; 2010 CVT Insight2 @ 191k.