的4Amp充电器行吗？还是只有带内有启动电池的充电器才行？或者连接一辆发动的汽车？谢谢！
it has 12Vdc. You don't need a lot of power to do that. Just make sure that you turn off all lights.
Good luck!
Alex
上次我去换电池。 人家很牛。 换完后， 车里的所有设置， 全没丢。 好像人家是开着engine， 来换电池的。
jump power from another vehicle to power it via an ODB-2 memery saver.
Best regards,
ECU will be toasted if you disconnect your battery while your engine is running.
all my radio settings did not lost after the battery was changed.
ODB-2 memory savers. If one damages an ECU, that would cost over a thousand dollars.
good to know 9v is enough.
A 9V battery can last about 30 min. which is long enough to replace the old battery.
常规的充电器在没有负载时电压可到16V以上，智能的可能有30V以上脉冲，有电池时这脉冲被吸收了。没电池时没有测过。
并车点火线你有吧？
的4Amp充电器行吗？还是只有带内有启动电池的充电器才行？或者连接一辆发动的汽车？谢谢！
it has 12Vdc. You don't need a lot of power to do that. Just make sure that you turn off all lights.
Good luck!
Alex
上次我去换电池。 人家很牛。 换完后， 车里的所有设置， 全没丢。 好像人家是开着engine， 来换电池的。
jump power from another vehicle to power it via an ODB-2 memery saver.
Best regards,
Alex
ECU will be toasted if you disconnect your battery while your engine is running.
Best regards,
Alex
https://www.amazon.com/gp/product/B01MPY0DNI/ref=ppx_yo_dt_b_asin_title_o03_s00?ie=UTF8&psc=1
all my radio settings did not lost after the battery was changed.
ODB-2 memory savers. If one damages an ECU, that would cost over a thousand dollars.
Best regards,
Alex
good to know 9v is enough.
Best regards,
Alex
A 9V battery can last about 30 min. which is long enough to replace the old battery.
常规的充电器在没有负载时电压可到16V以上，智能的可能有30V以上脉冲，有电池时这脉冲被吸收了。没电池时没有测过。
并车点火线你有吧？