NiMH Battery Pack: 24V 2200mAh (20XAA) Battery for Robot
Amazon.com: Battle Born LiFePO4 Deep Cycle Battery - 50Ah 24v with Built-In BMS - 3000-5000 Deep Cycle Rechargeable Battery - Perfect for RV/Camper, Trolling Motor, Marine, and Off Grid Applications : Automotive
Amazon.com: Ampere Time 24V 100Ah LiFePO4 Deep Cycle Lithium Battery, Built-in 100A BMS, 4000+ Cycles Rechargeable Battery, 280A Max, Perfect for RV/Camper, Solar, Marine, Overland/Van, Off-Grid Applications… : Electronics