The Best 12V Low Voltage Disconnect of 2020 – Reviewed and Top Rated

2,095 Reviews Scanned

Rank No. #1
CZH-LABS LVD Low Voltage Disconnect Module. (12V / 30Amp)
  • Aug-14, 2019 Upgrade to version 3.0, redesigned the board, added emergency ON / OFF function, added ABS plastic enclosure.
  • Operating Voltage: DC 6 to 18V
  • Rated current: 30Amp
  • Programmable voltage setting for Disconnect and Reconnect (rocker switch set to AUTO). With emergency ON or OFF function, if you want switch output to be immediate and remain ON or OFF, you can set rocker switch to ON or OFF.
  • Datasheet:
Rank No. #2
Galley Power LLC Low Voltage Battery Disconnect, 20A, 12V/24V Auto Detect
  • User selection for 8 disconnect threshold: 9.3~12.1V for 12V battery and 18.6~24.2V for 24V battery
  • 20A continuous current in full temperature range -40~130⁰F
  • 4.5mΩ ultra-low resistance: Less than 1/10 of power loss compared to competitors
  • Automatic 12V/24V battery detection
  • Low current consumption: down to 0.26mA with 12V battery
Rank No. #3
Blue Sea Systems m-LVD Low Voltage Disconnect
  • 65 Amp continuous rating
  • 12V DC voltage input
  • Status light in both m-LVD and Remote Control Switch provides visual warning of low voltage state prior to disconnect
Rank No. #4
30A Low Voltage Battery Disconnect with Remote ON/Ignite Control, 12V/24V Auto Detect
  • Automatic 12V/24V battery detection
  • Recessed selector for 8 disconnect threshold (-R): 9.3~12.0V for 12V battery and 18.6~24.2V for 24V battery
  • 30A continuous current in full temperature range -40~130⁰F; 65A continous at 72⁰F
  • 2.2mΩ ultra-low pass-through resistance and ultra‐low standby current down to 260uA in 12V mode
  • Remote ON control. Turn the output on when starting the vehicle (connected to the fuse box)
SaleRank No. #5
Victron BatteryProtect BP-100-100AMP - 6-35 VDC
  • disconnects the battery from non essential loads before it is completely discharged (which would damage the battery) or before it has insufficient power left to crank the engine.
  • Maximum continuous load current - 100A
  • Peak current (during 30 seconds) - 600A
  • Operating voltage range - 6-35V
  • To prevent damage to sensitive loads due to over voltage, the load is disconnected whenever the DC voltage exceeds 16V respectively 32V.
Rank No. #6
Onyehn 2pcs DC 12V-36V Voltage Protection Module Digital Low Voltage Protector Disconnect Switch Over Discharge Protection Module Output 6-60V
  • Board Size: 57 X 42 X 19mm/2.24 X 1.65 X 0.75inch(L*W*H), Input Voltage Range: DC12-36V, Control Accuracy: 0.1V, Power Consumption: <1.5W, Maximum Amperage before Breaker Trips: 20A
  • Programmable battery low voltage disconnect switch for DC12-36V lead acid battery and lithium ion battery. It's a protection switch module, not included batteries itself.
  • On-board momentary push button to set the low voltage disconnect parameter and 3 digit red LED display the parameter easy to operation
  • When the battery voltage reach the setting values, the module will disconnect load automatically to aviod the battery from over discharging to prolong the battery lifetime
  • Display is accurate, the switch module is quickly to open and close when near minimum voltage; Settings is stored non-volatile, it can keep set when power off
SaleRank No. #7
IS Low Voltage Disconnect, Digital Charging Timer Controller, Over Discharge Protector Module for DC 6V-60V Lithium Lead Acid Battery
  • LOW VOLTAGE CUTOFF - When the battery voltage reaches the set lower limit values, Icstation digital LVD module will disconnect load automatically to avoid the battery from over-discharging to prolong the battery lifetime.
  • AUTOMATICALLY RECONNECTS - When the battery voltage reaches the upper limit values, the relay closes and the battery starts to discharge. OUT flashing means it is discharging.
  • PREVENT OVERCHARGE - IN flashing means the battery is in charge. When the battery capacity reaches the upper limit voltage(UP), the relay opens and it cuts off the charger.
  • PARAMETERS DISPLAY - Clear LCD display makes it easy to read the voltage, capacity percentage or charging time at a glance.
  • Note: It is a relay switch so it can not adjust the voltage. We provide PDF user manual online, contact if you have any question:
SaleRank No. #8
CZH-LABS Electronics-Salon Low Voltage Disconnect Module LVD, 12V 10A, Protect/Prolong Battery Life.
  • Low Voltage Disconnect Module LVD, 12V 10A, Protect/Prolong Battery Life.
  • Part number: D-1077/12V.
  • Mount type: panel mount.
  • Suitable battery: 12V.
  • Rated current: 10A.
SaleRank No. #9
Victron BatteryProtect BP-65-65AMP - 6-35 VDC [BPR000065400]
  • Disconnects the battery from non essential loads before it is completely discharged (which would damage the battery) or before it has insufficient power left to crank the engine
  • Automatically detects system voltage
  • Can be set to engage / disengage at several different voltages
  • Maximum continuous load current 65A
  • Peak current (during 30 seconds) 300A
Rank No. #10
PriorityStart! 12-Volt-Pro-SP Automatic Battery Protector
  • PROTECTS BATTERY - Don't get stuck with a dead battery, Get started with PriorityStart!
  • AUTOMATICALLY DISCONNECTS - any drain on the battery (when engine is off), even a short, leaving starting power
  • AUTOMATICALLY RECONNECTS - Simply put foot on brake, or operate light switch, any small load change and start the vehicle. No button to push, or raising the hood.
  • NO DEAD BATTERY - Keeps battery from going dead, prevents damage to battery, alternator, and electrical system
  • PAYS FOR ITSELF - The first time a battery goes dead, the battery loses over half of the battery life

Last update on 2020-05-06 / Affiliate links / Product Titles, Images, Descriptions from Amazon Product Advertising API

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