LEGO Education SPIKE Large Hub BatteryThe LEGO Education SPIKE Large Hub Battery is a high capacity rechargeable battery designed for the SPIKE Prime Technic Large Hub. With a 2100 mAh lithium ion capacity, it provides extended runtime and reliability for classroom robotics. It can be charged inside the hub via micro USB, without requiring removal or tools. Educational Benefits Ensures long lasting builds during multi lesson or project work Reduces disruption by supporting in hub charging
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