Wirthco
Wirthco Battery Doctor 20188 Battery Disconnect Knife Switch, Surface Mounted "In-Line"/Remote Mount Switch, 12v Car Battery Kill Switch for Negative Post, Perfect for Limited Battery Box Space, Made In USA
Wirthco Battery Doctor 20188 Battery Disconnect Knife Switch, Surface Mounted "In-Line"/Remote Mount Switch, 12v Car Battery Kill Switch for Negative Post, Perfect for Limited Battery Box Space, Made In USA
SKU:W4820188
In stock
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- Free shipping on $70+
- Ships from US warehouse
- 30-day returns
The Wirthco 20188 is a battery doctor battery disconnect knife switch.
Key features
- Battery Doctor In-Line Disconnect
- Mounts under hood or other location
- Run a new cable to the switch, connect the battery cable to the post on the switch
- Does not attach to battery
- For permanent installation where disconnection of battery power is desired near the operator, or hidden as a theft deterrent; Capacity is equal to a #1 AWG battery cable; for all voltage systems
Before you order
- Check the group size, terminal layout and cold-cranking amps against your current battery.
- Compare the connector and the part number on your old part before ordering.
Specifications
| Brand | Wirthco |
|---|---|
| Manufacturer part number | 20188 |
| Part type | Electronic Switch |
| UPC / GTIN | 10054201889 |
| Weight | 0.50 lb |
| Dimensions (L × W × H) | 2.5 × 4.5 × 7 in |
| Category | Electronics & Audio |
| Condition | New |
| Returns | 30-day returns on unused items |
Questions
What does shipping cost?
Standard shipping is free on orders of $70 or more to the lower 48 states and DC, and $8 below that. Express is $15 at checkout. Orders ship the same business day when placed early in the day, otherwise the next business day; standard delivery takes 3–5 business days. Alaska and Hawaii are charged by weight at checkout.
Can I return it?
Yes — unused items in the original packaging can be returned within 30 days of delivery. A restocking fee may apply; see our refund policy.
Shipping & delivery
Shipping & delivery
Free standard shipping on orders of $70 or more to the lower 48 states and DC; $8 on smaller orders. Express is $15 at checkout; Alaska and Hawaii are charged by weight. Orders ship from the warehouse closest to you — the same business day, or the next business day if ordered late in the day, on a weekend or holiday. Standard delivery takes 3–5 business days. Oversized items (bumpers, running boards, large tonneau covers, some marine equipment) ship LTL freight — we contact you to schedule delivery and a signature is required.
Returns & warranty
Returns & warranty
Unused, uninstalled parts in original packaging can be returned within 30 days of delivery. A restocking fee of up to 20% may apply depending on the product, and return shipping is the buyer’s responsibility unless the item arrived defective, damaged or incorrect. Items marked Final sale can't be returned. If a part fails, contact us with your order number and we'll help with the manufacturer's warranty claim.
Fitment & part numbers
Fitment & part numbers
Verify fitment with the manufacturer part number shown above and your vehicle’s year, make, model and trim. If the listing says “Fits select…”, confirm your exact application before ordering. Not sure? Send us your VIN and the part number and we’ll check it for you.
