Battery Doctor Knife Switch for Side Terminal Batteries-20128 - The Home Depot

Battery Doctor

Model # 20128

Internet # 202931971

Knife Switch for Side Terminal Batteries

Battery Doctor Knife Switch for Side Terminal Batteries

This item has been discontinued.
The Home Depot no longer carries this specific product.

$22.97 / each


Model # 20128

Internet # 202931971

Stop unwanted battery drain with Battery Doctor's patented Knife Switch for Side Terminal Batteries. It's easy to install and simple to use. Simply mounts on negative side battery terminal and flip the switch to quickly disconnect battery. Provides 3/8-18 bolt for receiving standard eyelet cable connector. Rated 250 amps continuous and 750 amps surge at 12 volts.

  • Mount on negative battery post
  • Stop unwanted battery drain
  • Help prevent theft, tampering and unauthorized use, improve safety and security of stored vehicles, RVs and seasonal equipment
  • Rated 250 amps continuous and 750 amps surge at 12 volts
  • For side terminal batteries
  • 3-1/4 in. W x 3-3/4 in. L x 1-1/2 in. H


Assembled Depth (in.)  7.0 in  Assembled Height (in.)  1.5 in 
Assembled Width (in.)  4.5 in  Product Depth (in.)  0.55 
Product Height (in.)  1.5  Product Width (in.)  4.5 
Color  Black  Color Family  Blacks 
Cord Length (ft.)  0.0  Number of batteries charged at once 
Product Weight (lb.)  0.55 lb  Returnable  30-Day 
Safety & Security Product Type  Battery Charger  Voltage (volts)  12 
Warranty / Certifications
Certifications and Listings  No Certifications or Listings  ENERGY STAR Certified  No 
Manufacturer Warranty  Manufacturer Warranty 



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