Order a replacement battery for your Flowmaster. Most Flowmasters use the NiMH type
battery-copy

Li-ion Battery

Battery: 34-2112
More Details
nimh-battery-clipped-rev-1-1

NiMH 2.2Ah

Model No. 34-2111
More Details
lead-acid-battery-clipped-rev-2-1

Lead Acid 2.4Ah

Model No. 34-2110
More Details