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Gallagher M5800i Electric Fence Charger / Energizer

58 Joules of Power

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The Gallagher M5800i delivers 58 joules of stored energy to manage up to 2,700 acres of fencing. Its intelligent i Series system monitors fence performance with LED indicators and a remote controller display, alerting you to faults instantly. Built-in lightning and short-circuit protection ensure reliable operation and animal control. 110V powered with easy installation.

Maximum stock control. Combines 58 joules of power with adaptive technology which allows the unit to adjust to changing fence conditions.

Clean Fence: 430 miles / 2700 acres
Typical Fence: 87 miles / 2200 acres
58 Stored Joules
UL Approved

Extra shipping charges may be required for Alaska and Hawaii 

Built with 58 joules of stored energy, the M5800i handles diverse livestock across expansive properties up to 2,700 acres. The intelligent i Series platform delivers real-time fence diagnostics, enabling you to identify and resolve issues promptly—minimizing downtime and operational costs.

Features:

• 58 joules stored energy
• Up to 430 Miles / 2,700 Acres
• 110V Powered
• Quick scan LED fence performance lights: green light shows fence ok, red light flashes if there's a fence fault and solid red light shows sudden increase in fence load
• Easy installation and good connection using split bolt recessed terminals
• User safety and reliable animal control with in-built lightning and short circuit protection
• Better fence management with output, earth and fence voltage alarms
• Energizer controller included
• Shows all of your fence performance information (e.g. voltage, faults and location) in one convenient separate display box that can be located up to 160 ft. away from the energizer
• Turn energizer ON/OFF from controller
• Compatible with the full line of Gallagher i Series accessories

Gallagher stands behind the M5800i with comprehensive coverage: a full 2-year warranty that extends to lightning damage when proper protection is installed, plus a 30-day satisfaction guarantee allowing you to return it risk-free if it doesn't meet your expectations.

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