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Curtis B.
Curtis B., Technician
Category: Small Engine
Satisfied Customers: 28894
Experience:  have worked on and around most engine models for 35 yrs./Polaris ATV expert
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I have a Bosch total 43 li mower which is nearly 9 yrs old

Customer Question

I have a Bosch total 43 li mower which is nearly 9 yrs old now. I have 2 batteries one new one original both show full charge but when I use each the mower starts runs for 3-5 seconds and stops. I've checked blade and underside and all is clear, any ideas?
JA: I'll do all I can to help, Bosch. Anything else I can tell the Small Engine Technician before I connect you two?
Customer: No thanks
JA: I'm sending you to a secure page on JustAnswer so you can place the $5 fully refundable deposit now. While you're filling out that form, I'll tell the Small Engine Technician about your situation and connect you two.
Submitted: 1 year ago.
Category: Small Engine
Customer: replied 1 year ago.
Still waiting for an answer guys?
Expert:  Curtis B. replied 1 year ago.
Do you have a voltmeter to test with? Check battery voltage when blade is running, I think you will find voltage drops to near zero. Which means the batteries are no good, or the charger is not fully charging them.