Heavy Duty Fixed Key Battery Isolator Switch. Simple to use, just one twist to disconnect and reconnect the battery. Safely disconnect the battery to eliminate battery power consumption when the vehicle or boat is not in use.
eBay
12V LED Lighted Toggle Switch with Aircraft Guard Safety Flip Cover 12 Volt DC 20A Heavy Duty Covered Illuminated Lit for Racing
Aliexpress UK
Smart Remote Battery Disconnect Switch – 240A Heavy Duty | Anti-Theft & Battery Saver. 🛠Durable Copper Construction – Built from premium copper for excellent conductivity, stable connections and long-lasting reliability.
eBay
CN101A 12V/24V/110V/220V Single and double countdown micro cycle time control switch timer controller min control 16A
Aliexpress UK
Top Heavy Duty: This rotary battery disconnect switch is made of brass material, which is corrosion-resistant, has good conductivity, is durable, and safe to use. Power saving: This blade type main switch is used for battery isolation and protection of electrical systems, eliminating any power consumption of the battery when the vehicle or vessel is not in use, stopping unnecessary battery depletion, and preventing theft or unauthorized use.
eBay
2KW 5KW 8KW Diesel Air Heater LCD Monitor Switch Control Board Motherboard Remote Controller 12V 24V Similar Eberspacher Webasto
Aliexpress UK
Protect your vehicle’s electrical system and extend battery life with thisuniversal car battery isolator switch. Designed for12V and 24V vehicles, it’s an essential accessory for preventing power drain, improving safety, and keeping your battery in peak condition.
eBay
433Mhz 10A Relay Receiver and 2CH Transmitter Remote Control DC 12V 1CH RF Wireless Switch For Door Electromagnetic Lock
Aliexpress UK
Protects batteries and engines and prolongs their lifespan. [Easy to Install] First connect the red wire to the positive pole of the battery. Then connect the black wire to the battery clip. Material: plastic, copper, resistance, etc.
eBay
W3005 12V 24V 220V Digital Humidity Controller instrument Humidity control Switch hygrostat Hygrometer SHT20 Humidity sensor
Aliexpress UK
Car Battery Cut Off Switch Disconnect Automatic Circuit Breaker Anti-Power Off Leakage Protector Universal Auto Parts 12V/24V. Power Saving: By isolating the battery when the vehicle is not in use, this switch effectively eliminates power drain, preserving battery life and Prevent unauthorized access or theft of power.
eBay
ANGUI HC01 HC02 Voltage Controller Lead Acid Charger Regulator Serial 2S Touch Switch Battery Equalizer 12V 24V 36V 48V
Aliexpress UK
This battery disconnect switch prevents power drain caused by extended parking, electronic device usage, wiring aging, or forgotten lights, effectively preserving and extending your car battery’s lifespan.
eBay
12V 24V Blue Led Dual USB & Battery Voltmeter Rocker Switch Style QC3.0 Car Quick Charger Power Socket Waterproof
Aliexpress UK
Battery Isolator Switch 12V 24V 48V Kill Switch Power Cut Off Shut Off Battery Selector for Marine Boat Car RV ATV Vehicle 1-2-Both-Off. Widely Used: The master switch disconnect isolator switch is well suited to larger vessels and can be recess or surface mounted.
eBay
7 Days Weekly Programmable Timer 220V LCD Digital Timer Switch 110V 12V Din Rail Mount Time Control Relay with 24 On/Off Groups
Aliexpress UK