Product NiMH Rechargeable Batteries (4 AA) $9.00 Set of 4 rechargeable 2800mAh 1.2 NiMH batteries compatible with the Mini Field Station. Add to cart Related Products NiMH Rechargeable Batteries (4 AA) $9.00 Mini Field Station 6 Basic $330.00 Mini Field Station 6 with WiFi Connectivity $360.00