Please be aware Batteries are only available for Click and Collect as we cannot ship lithium products by courier 

Fiamm FG20451 12V 4.5Ah battery designed for key-start pedestrian mowers. Provides reliable starting performance for walk-behind mowers that rely on a compact, serviceable power source.

Overview

• Manufacturer: Fiamm
• Part: FG20451
• Voltage: 12V
• Capacity: 4.5Ah
• Intended use: replacement battery for key-start pedestrian lawn mowers
• Dimensions (including terminals): height 105 mm; width 88 mm; depth 68 mm

Key Features

• Part Number: FG20451
• Type: 12V battery
• Capacity: 4.5Ah
• Machine type: key-start pedestrian lawn mowers
• Footprint: compact case for standard battery trays (105 x 88 x 68 mm including terminals)
• Installation tips:
  • Verify correct polarity before connection
  • Securely mount in a battery tray; ensure connectors reach terminals without tension
  • Match connectors to mower wiring and avoid terminal damage
  • Follow mower manufacturer instructions for battery replacement

Compatibility

• Suitable for key-start pedestrian mowers requiring a 12V, 4.5Ah battery in a compact 105×88×68 mm envelope
• Alternative part numbers: not listed for this model