为了延长电池寿命，电池组不会完全充满，也不会完全耗尽。
To extend battery life, the pack never fully charges or depletes.
最好挑选一个电池充电器和一套特优的镍氢电池组。
Pick up a battery recharger and an extra set of NiMH batteries.
该电池组的内部安装36v的12个系列电池管理系统。
The cell pack was internally installed 36v 12 series Battery Management System.
该电池组的内部安装36v的12个系列电池管理系统。
The cell pack was internally installed 36v 12 series Battery Management System.
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