Tamiya has released Neochamp Rechargeable Mini 4WD Ni-MH Battery 2pcs. under Battery & Charger (AA) Mini 4WD Series category
These rechargeable Ni-MH batteries are lightweight (19g each) and could be recharged roughly 2,000 times. Minimal self-discharging permits durable battery pack life. Battery life extent may alter predicated on use conditions.