Please note: This is a new version of battery.
It is for 7.4V plug, if your version is different from it,
Then you need to replace the new version of the circuit board at the same time to use it.
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Please note: This is a new version of battery.
It is for 7.4V plug, if your version is different from it,
Then you need to replace the new version of the circuit board at the same time to use it.