Product Description : 【Safe & Efficient】: Our voltage sensibility relay are made of high quality materials and IP68 waterproof and shockproof construction, providing reliable performance even in harsh environments. The dual battery isolator effectively protects the electrical energy from over-discharge of the main battery and ensures that the second battery is fully charged. 【Upgraded Battery Isolator】: Automatic/Manual 12V 140 Amp battery isolator equipped with an LED voltage display for a clear view of the voltage, the voltage-sensitive relay activates when the voltage is 13.3V and de-energises when the voltage is 12.8V to ensure that your main battery is always fully charged and ready to start your vehicle. 【WIDE APPLICATION】.
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