M2000 Mains Energizer Powers up to 20 km of fence 2.0 J maximum output energy (3.0 J maximum stored energy
M1200 Mains Energizer Powers up to 12 km of fence 1.2 J maximum output energy (1.7 J maximum stored energy)
M500 Mains Energizer Powers up to 5 km of fence 0.5 J maximum output energy (0.85 J maximum stored energy)