 SaltyC wrote:ya just gotta laugh, don't ya? |
| SaltyC wrote: Gel or AGM, yes. Lithium, opinions vary and dangers abound! In my opinion, the issue is why the battery is not working. The BMS can disconnect the battery because it detected over voltage or heat, in either case it wouldn't be wise to apply a shock load to the battery by connecting jumper leads and pushing start. Not only does it not fix the reason the BMS disconnected the battery but it can cause a fire and, in the worst case, an explosion. The other issue is that the load has been disconnected from the charging source by the BMS as well, so when the motor is running again, if it doesn't reconnect successfully then running the charging source with nothing to charge may cause major damage to it! Lithiums are used as start batteries for motorbikes and the general recommendation is not to jump start them from another battery. |
| SaltyC wrote: you may be able to bypass the problem by connecting a 12 volt source to the battery before connecting the charger, another 12 volt battery , positive to positive, and negative to negative, then connect your charger and when thecharger says it is charging disconnect the other battery. Only with a lithium charger though (I see your ctek is a lithium one, but just in case someone else reads this!) |
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