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I have borrowed an e-bike from a friend few days ago. Yesterday battery was empty so I left it to charge last night. I left it overnight. Now when I put it in bike it does not work, not responding. I try to put in charger again but not responding, non of the lights are blinking anymore.

I used the bike's original charger. Charger itself does not have lights that indicates if is it charging or not.

There is a button for turning the battery on and off but seems like it is not working. But when I press it for a longer period the place around the stop button begins to heat.

Battery type is : powerpack 500 BOSCH (Li-ion 500Wh Made in Hungary)

Has anyone had a similar experience? What should I do?

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    Disappear and live out your days in a cabin in the woods before your friend finds out. (humour)
    – Andy P
    Jul 30, 2021 at 11:48
  • On the side of the 500 power pack it should have a battery indicator press the button and see if the lights light up ? If they indicate there is a charge, look for a manual online to see if there’s a specific way to start up.
    – Dan K
    Jul 31, 2021 at 8:23
  • @DanK Lights does not turn on after i press the the button on battery. But the battery is warm around the button even 2 days has passed after the charge.
    – germstrom
    Aug 1, 2021 at 9:45
  • Does the wall voltage/frequency in your location differ from your friend's electricity? Do you run on a generator?
    – Criggie
    Aug 2, 2021 at 1:14
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    @Criggie no it is the same. Thank you for reply. I have taken the bike to the nearest shop. They will check if the battery can be repaired.
    – germstrom
    Aug 3, 2021 at 15:26

2 Answers 2

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You should tell your friend ASAP that the bike is not charging. Ask if there is a trick to making it work.

Your worst case is the battery has died, and you need to offer to contribute toward a new one. When borrowing something, you are responsible for it, and and for any damage.

Your friend might have known the battery was on its last-legs, if they didn't tell you, that's not very friendly. However that interaction would be more on-topic at https://interpersonal.stackexchange.com/

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E-Bike was just 1 and a half year old The e-bike battery from bosch has 2 years warranty. The e-bike itself has just 1 year warranty. Battery was sent from a local store to bosch and I received a new one!

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