As low as $2.98/mo with or . (Pay in 4 interest-free payments)
Fire Power 12 Volt Relay — Reliable 40A Automotive Relay Upgrade your vehicle’s electrical system with the Fire Power 12 Volt Relay . Engineered for dependable performance, this 4‑terminal, 40 amp relay delivers consistent power management for high-demand accessories like lighting, horns, fans, and more. Voltage/Current: 12V DC, 40A Terminals: 4-pin standard automotive relay Terminal Size: 1/4" (6.35 mm) spade connectors Use Cases: Auxiliary lights, LED bars, horns, compressors, pumps, cooling fans Benefits: Protects switches, reduces voltage drop, improves accessory reliability Simple Wiring Pinout 30: 12V (+) fused power in from battery or main power source 85: Ground (−) 86: 12V (+) trigger from accessory switch 87: 12V (+) power out to accessory Designed for straightforward installation with universal fitment, this relay features robust contacts and durable construction for long service life in automotive, powersports, marine, and off-road applications. Choose the Fire Power 12 Volt Relay for clean, safe, and efficient power distribution to your accessories.
CONSTANT CURRENT CHARGE - If the battery voltage is over 10 volts, the charger will deliver a 2 amp charge until the battery reaches 14.2 volts
MAINTENANCE CHARGE - When the battery reaches 14.2 volts, the charger will automatically convert to maintenance mode. The charger will revert to charge mode when the voltage drops below a specified voltage
LOW VOLTAGE RECOVERY - If battery voltage is below 8 volts, the charger will apply a .2 amp charge to recover the battery, once the battery reaches 8 volts, the charger will apply a .5 amp charge, at 10 volts a full 2 amp charge is applied until the batte
AUTOMATIC VERIFICATION STAGE - Charger automatically stops charging if the battery does not reach at least 10 volts after 2 hours of charging
SAFETY - Power is not passed thru the charging leads unless they are connected to a battery
LED indicator light shows charging status
Includes heavy duty clamps and fused ring terminal SAE adapter
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