The new Thunderbird S19B, previous model S18B, Solar Energiser powers up to 1.5km of electric fence. This new self contained SOLAR energiser, uses a NiMH rechargeable battery, that can be left flat for long periods without being damaged.
If the battery is flat, simply place in the sun for a few minutes and it will start to operate. Super efficient Solar to Battery system only requires 3 hours of sunlight a day.
Ideal for small to medium fence applications.