Wirthco
WirthCo 20310 Knob Battery Switch with Bypass for Side Mount Batteries, Black
WirthCo 20310 Knob Battery Switch with Bypass for Side Mount Batteries, Black
SKU:W4820310
In stock
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- Genuine brand-name parts
- Ships from US warehouse
- 30-day returns
The Wirthco 20310 is a knob battery switch with bypass. It is a new, genuine Wirthco product with the manufacturer warranty, shipped from the closest US warehouse.
Key features
- SIDE-MOUNT BATTERY DISCONNECT - Installs on the negative battery post and disconnects power by unscrewing the knob a few turns; retighten the knob to restore the connection.
- 15 AMP FUSED BYPASS - Built-in fused bypass circuit maintains power to computer settings, radio, and clock while the main battery connection is disconnected.
- 500 AMP SURGE AND 125 AMP CONTINUOUS - Rated for 500 amps surge and 125 amps continuous at 12 volts, suited to automotive, marine, RV, and powersports use.
- THEFT DETERRENT KNOB - Knob can be removed completely to help deter unauthorized starting or battery use when the vehicle or equipment is unattended.
- COMPACT FIT WITH TERMINAL MARKERS - Compact size fits most battery compartments and the retail package includes Battery Terminal Markers (part 20250) for positive and negative identification.
Specifications
| Brand | Wirthco |
|---|---|
| Manufacturer part number | 20310 |
| Part type | Electronic Switch |
| UPC / GTIN | 10054203104 |
| Weight | 0.50 lb |
| Dimensions (L × W × H) | 6 × 2.2 × 1.5 in |
| Category | Electronics & Audio |
| Condition | New — genuine brand-name product |
| Warranty | Manufacturer warranty |
Questions
How fast does it ship?
Orders ship from the closest US warehouse, normally within 1–3 business days, with tracking by e-mail.
Is this a genuine Wirthco product?
Yes — new and genuine Wirthco, with the manufacturer warranty.
Can I return it?
Yes. Unused items can be returned within 30 days — see our refund policy for the details.
Shipping & delivery
Shipping & delivery
Orders ship from the distributor warehouse closest to you, normally within 1–3 business days of purchase. Standard ground delivery takes 3–7 business days in the continental US; expedited options are shown at checkout. 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 supplier, and return shipping is the buyer’s responsibility unless the item arrived defective, damaged or incorrect. Every product carries the full manufacturer warranty. Contact us with your order number to start a return.
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.
