00
DAYS 00
HRS 00
MIN 00
SEC
DAYS 00
HRS 00
MIN 00
SEC
Wirthco
Wirthco 1 Pint Red Safety Funnel #32091
$4.22
$5.46
Wirthco 32091 Funnel
Red Safety Funnel, Pint
Made from chemical-resistant polyethylene for safe use with most liquids. Built-in screen filters out debris.Normalized SKU: 32091UPC Code: 010054320917
00
DAYS 00
HRS 00
MIN 00
SEC
DAYS 00
HRS 00
MIN 00
SEC
Wirthco
Wirthco 12 AWG ATO/ATC Fuse Holder #318137
$4.51
$5.30
Wirthco 318137 Fuses & Fuse Panels
Battery Doctor In-Line ATO/ATC Heavy Duty Fuse Holder, Carded
For AGC and SFE Glass Fuses
Accepts 12-18 Gauge Wire
Fuse Not Included
RoHS Compliant
Yellow Neoprene Material for Easy Visibility
Normalized SKU: 318137UPC Code: 010054000833
00
DAYS 00
HRS 00
MIN 00
SEC
DAYS 00
HRS 00
MIN 00
SEC
Wirthco
Wirthco 2 Quart Red Safety Funnel #32002
$4.90
$6.34
Wirthco 32002 Funnel
Red Safety Funnel, 2 QuartMade from chemical-resistant polyethylene for safe use with most liquids. Built-in screen filters out debris.Normalized SKU: 32002UPC Code: 010054320023
00
DAYS 00
HRS 00
MIN 00
SEC
DAYS 00
HRS 00
MIN 00
SEC
Wirthco
Wirthco 30a ATC Fuse Holder with Cap #318207
$4.98
$5.86
Wirthco 318207 Fuses & Fuse Panels
Battery Doctor Battery Doctor In-Line ATO/ATC Fuse Holder w/Cover, BulkFor Blade Fuses with Water Resistant Cap.
Loop Length is 5-1/2" with 12-Gauge Wire
30 Amp Fuse Included
Normalized SKU: 318207UPC Code: 010054000840
00
DAYS 00
HRS 00
MIN 00
SEC
DAYS 00
HRS 00
MIN 00
SEC
Wirthco
Wirthco 4-Way Blade Fuse Holder with Clear Dust Cover #301107
$16.80
$20.05
Wirthco 301107 Fuses & Fuse Panels
ATO/ATC Fuse Block, 4 PositionATO blade fuse holders for slip-on terminals. Dust cover included. Rated for 30 amps per circuit at 12V. Includes clear acrylic dust cover.Normalized SKU: 301107UPC Code: 010054301107
00
DAYS 00
HRS 00
MIN 00
SEC
DAYS 00
HRS 00
MIN 00
SEC
Wirthco
Wirthco 6 Quart Red Safety Funnel #32006
$8.03
$9.58
Wirthco 32006 Funnel
Red Safety Funnel, 6-quartMade from chemical-resistant polyethylene for safe use with most liquids. Built-in screen filters out debris.Normalized SKU: 32006UPC Code: 010054320061
00
DAYS 00
HRS 00
MIN 00
SEC
DAYS 00
HRS 00
MIN 00
SEC
Wirthco
Wirthco 6-Way Blade Fuse Holder with Clear Dust Cover #301117
$23.31
$27.82
Wirthco 301117 Fuses & Fuse Panels
ATO/ATC Fuse Block, 6 PositionATO blade fuse holders for slip-on terminals. Dust cover included. Rated for 30 amps per circuit at 12V. Includes clear acrylic dust cover.Normalized SKU: 301117UPC Code: 010054301114
00
DAYS 00
HRS 00
MIN 00
SEC
DAYS 00
HRS 00
MIN 00
SEC
Wirthco
Wirthco 7-Way Trailer Plug Cover Display 20 Trailer Plugs #20081-20
$115.96
$143.95
Wirthco 20081-20 DisplaysAlso sold as Battery DoctorBattery Doctor's 7-Way Trailer Plug Cover Display is made from durable black PVC and protects the trailer from the elements. It features a snap to latch onto the cord when plugged into the trailer. Counter display contains 20 Trailer Plugs in an attractive 1 gallon bucket.
Protects the trailer from the elements
Made from durable black PVC
Snaps onto the cord when plugged into the trailer
Counter display contains 20 Trailer Plugs
Comes in an attractive 1 gallon bucket
Normalized SKU: 2008120UPC Code: 010054002103
00
DAYS 00
HRS 00
MIN 00
SEC
DAYS 00
HRS 00
MIN 00
SEC
Wirthco
Wirthco 8 AWG Maxi Fuse Holder #318607
$16.15
$19.28
Wirthco 318607 Fuses & Fuse Panels
Battery Doctor Heavy-Duty Maxi Fuse Holder
With Cover
6" loop length
Fuse sold separately
Normalized SKU: 318607UPC Code: 010054000888
00
DAYS 00
HRS 00
MIN 00
SEC
DAYS 00
HRS 00
MIN 00
SEC
Wirthco
Wirthco Amorphous Solar Panel Charger/Maintainer 20 Watt #23145
$170.04
$215.97
Wirthco 23145 Solar PowerAlso sold as Battery DoctorBattery Doctor's Amorphous panels and kits work in all daylight conditions helping you to harness the Sun's Energy! Water resistant, shock and rust resistant. The Amorphous Solar Panel Charger/Maintainer converts daylight into electricity to charge 12 Volt batteries and extend battery life. It implements the latest resource with SiGe Technology, helping to provide you the most efficient panels on the market! Plastic corner sleeves prevent scratching and built-in blocking diode prevents reverse charging. Includes: E-Z Connector Adapter (Plug and Play), mounting kits and a bright LED current indicator attachment. Use with Deep Cycle, AGM, Lead-Acid and Gel-Cell 12 Volt batteries. A 10 Amp Solar Controller (part #23122) is needed to prevent the 12 Volt battery from overcharging. Accessories included in the kit: 12 Volt socket cable, battery cable, 18" male 12 Volt socket adapter, 18" female 12 Volt socket adapter, 21" solar controller connecting wire, 36" Alligator Clips and mounting hardware.
Wattage: 20 Watts
Amp Rating: Up to 1.7 Amps
Accessories included in the kit: 12 Volt socket cable, battery cable, 18" male 12 Volt socket adapter, 18" female 12 Volt socket adapter, 21" solar controller connecting wire, 36" Alligator Clips and mounting hardware
10 Amp Solar Controller (part #23122) is recommended to prevent the 12 Volt battery from overcharging
Aluminum frame with plastic top and bottom edging
Normalized SKU: 23145UPC Code: 010054231459
00
DAYS 00
HRS 00
MIN 00
SEC
DAYS 00
HRS 00
MIN 00
SEC
Wirthco
Wirthco Amorphous Solar Panel Maintainer 1.8 Watt #23140
$47.82
$57.38
Wirthco 23140 Solar PowerAlso sold as Battery DoctorBattery Doctor's 1.8 Watt Amorphous Solar Panel Maintainer converts daylight into electricity to charge 12 Volt batteries and extend battery life. The Amorphous Solar Panel Maintainer implements the latest resource with SiGe Technology, helping to provide you with most efficient panels on the market. It includes a built-in blocking diode to prevent reverse charging, an E-Z Connector Adapter and a bright LED current indicator attachment. Accessories included in the kit: male output adapter (cigarette lighter adapter), 2 Pin Bullet Connectors (Plug and Play), LED voltage indicator and Alligator Clips.
Converts daylight into electricity to charge 12 Volt batteries and extend battery life
Includes a built-in blocking diode to prevent reverse charging, an E-Z Connector Adapter and a bright LED current indicator attachment
Accessories included in the kit: male output adapter (cigarette lighter adapter), 2 Pin Bullet Connectors (Plug and Play), LED voltage indicator and Alligator Clips
Implements the latest resource with SiGe Technology, helping to provide you with most efficient panels on the market
Normalized SKU: 23140UPC Code: 010054231404
00
DAYS 00
HRS 00
MIN 00
SEC
DAYS 00
HRS 00
MIN 00
SEC
Wirthco
Wirthco B4-Way Male Trailer End 25' #80906
$30.83
$36.80
Wirthco 80906 Trailer Wiring & LightingAlso sold as Battery DoctorBattery Doctor's 4-Way Male Trailer End features a wishbone design for superior trailer harness. Includes standard RVI color coding for easy installation. The 4-Way Male Trailer End is 25' in length.
Wishbone design for superior trailer harness
Standard RVI color coding
Style: Male plug
Wiring Length: 25'
Normalized SKU: 80906UPC Code: 010054809061
00
DAYS 00
HRS 00
MIN 00
SEC
DAYS 00
HRS 00
MIN 00
SEC
Wirthco
Wirthco Baplastic Primary 18 AWG Wire Single Conductor 500' Yellow #80018
$53.39
$64.06
Wirthco 80018 Wiring & SuppliesAlso sold as Battery DoctorBattery Doctor's Primary Wire features PVC Insulation ideal for General Purpose Applications (-40°F to 167°F). Resistant to grease, oil, gasoline, acid, solvents, moisture and aging. It is compliant with SAE J1128 standards. Features a spool length of 500' long and 18 (AWG) gauge wire. The Primary Wire is yellow in color.
Features PVC Insulation
Ideal for General Purpose Applications (-40°F to 167°F)
Resistant to grease, oil, gasoline, acid, solvents, moisture and aging
Spool Length: 500'; Gauge (AWG): 18
Wire Color: Yellow
Normalized SKU: 80018UPC Code: 010054800181
00
DAYS 00
HRS 00
MIN 00
SEC
DAYS 00
HRS 00
MIN 00
SEC
Wirthco
Wirthco Battery Brush Plastic #21003
$7.53
$9.74
Wirthco 21003 Electrical Tools
Battery Doctor Battery Brush - PlasticEasily removes rust and corrosion from battery posts and terminals. Metal bristles. Fits standard posts. Remove the cap to reveal the brush. Plastic case.Normalized SKU: 21003UPC Code: 010054210034
00
DAYS 00
HRS 00
MIN 00
SEC
DAYS 00
HRS 00
MIN 00
SEC
Wirthco
Wirthco Battery Disconnect Top Mount #20148
$45.63
$60.23
Wirthco 20148 Battery Cable Ends
Battery Disconnect Top MountBattery Doctor's 20148 Top Post Battery Disconnect Switch features vertical operation and a wing nut. It is recommended to mount on a negative battery post to disconnect the ground and battery. Features a 5/8" diameter post, 5/16-18 stud, and wing nut for extra connections. Easy to reach and operate. Dimensions: 3" W x 4" L x 2.25" H.Our patented Battery Doctor® switches are easy to install and simple to use.
Disconnect batteries quickly and easily
Stop unwanted battery drain
Help prevent theft, tampering and unauthorized use.
Improve safety of stored vehicles, RV's and seasonal equipment
Rated 250 amps continuous and 750 amps surge at 12 volts
Mounts on the negative battery terminal
Provides 3/8-18 bolt for receiving standard eyelet cable connector
Normalized SKU: 20148UPC Code: 010054201483
00
DAYS 00
HRS 00
MIN 00
SEC
DAYS 00
HRS 00
MIN 00
SEC
Wirthco
Wirthco Battery Doctor 100a Isolator #20090
$119.19
$147.96
Wirthco 20090 Battery Isolators
The Battery Doctor state-of-the-art, fully automatic dual battery controller is suitable for any vehicle with an auxiliary battery. Smaller and lighter than other standard battery isolators, the Battery Doctor Battery Isolator employs electronic switching control technology.
The high-performance electronic isolator allows you to charge two batteries from a single alternator and keeps the starting battery isolated from the second battery. Also, with a single push of the override/reset button, you can change the batteries to parallel mode for jump-starting. Includes a mounting bracket that houses the 4" x 4" x 2" Isolator.
Amperage: 100 Amp
Voltage: 12 Volt
Charging Type: Parallel
Control: Electric
Approval: EMC
Current Draw: Charging 50 mA/(Standby 30 mA)
Surge Protection: Built-In
Mounting: Surface/Fire Wall/Battery Side
Voltage Draw: None.
Normalized SKU: 20090UPC Code: 010054200905
00
DAYS 00
HRS 00
MIN 00
SEC
DAYS 00
HRS 00
MIN 00
SEC
WirthCo
WirthCo Battery Doctor Sport Battery Charger #20069
$66.59
$79.90
WirthCo 20069 Battery ChargersThe Portable Sport Battery Charger and Maintainer operates at 12 Volt - 1.25 Amp and features WirthCo's Smart Battery Technology to prevent overheating. It has reverse hook-up protection and is spark resistant. The automatic "switching technology" can be safely connection to the battery for long periods of time. Includes easy-to-read battery charge status LEDs. CEC Certified.
Smart Battery Technology Prevents Overcharging
Reverse Hook-up Protection/Spark Resistant
Easy-to-Read Battery Charge Status LEDs
Includes Ring Terminal and Alligator Clip Cable Attachments, 2 Pin Bullet Connector
12 Volt - 1.25 Amp
Normalized SKU: 20069UPC Code: 010054200691
00
DAYS 00
HRS 00
MIN 00
SEC
DAYS 00
HRS 00
MIN 00
SEC
WirthCo
WirthCo Battery Doctor Top Terminal Opens Horizontal #20108
$37.45
$44.70
WirthCo 20108 Battery AccessoriesFor installation on negative or positive battery post. Easy, low cost installation. Designed to carry 250 amps continuous and 750 amps surge. The capacity of this disconnect is equivalent to a #1 AWG. Battery cable in conducting capacity. Suitable for all vehicles and medium duty trucks and farm machinery. For all voltage systems. 3" x 4" x 1-5/16" high.
Battery Disconnect Switch With Post for Receiving Standard Battery Cable Clamp
Dimensions: 3-1/2" W x 3-3/4" L x 1-1/2" H
Top Post Battery Disconnect Switch Opens and Closes Horizontally Where Clearance Above the Battery is Limited
Suitable for all vehicles and medium duty trucks and farm machinery
Normalized SKU: 20108UPC Code: 010054201087
00
DAYS 00
HRS 00
MIN 00
SEC
DAYS 00
HRS 00
MIN 00
SEC
Wirthco
Wirthco Battery Doctor Trickle Charger 5w Amphorous Kit #23143
$137.04
$174.05
Wirthco 23143 Solar PowerBattery Doctor Solar Solutions offer a variety of choices in Amorphous Solar Panels. Our Amorphous panels and kits work in all daylight conditions helping you to harness the Sun's Energy! Water resistant, shock and rust resistant, Battery Doctor has your Go Green Technology covered!
Converts Daylight into Electricity to Charge 12 Volt Batteries and Extend Battery Life
Dimensions: 16 x 13 x 1 1/3
Amp Rating: up to .42 mA
Amorphous Solar Panels Charge Even in Cloudy and Overcast Weather
Plastic Corner Sleeves Prevent Scratching
Normalized SKU: 23143UPC Code: 010054231435
00
DAYS 00
HRS 00
MIN 00
SEC
DAYS 00
HRS 00
MIN 00
SEC
Wirthco
Wirthco Battery Doctor Trickle Charger 9w Amphorous Kit #23144
$171.80
$218.20
Wirthco 23144 Solar Power
Battery Doctor's Amorphous panels and kits work in all daylight conditions helping you to harness the Sun's Energy! Water resistant, shock and rust resistant. The Amorphous Solar Panel Charger/Maintainer converts daylight into electricity to charge 12 Volt batteries and extend battery life. It implements the latest resource with SiGe Technology, helping to provide you the most efficient panels on the market! Plastic corner sleeves prevent scratching and built-in blocking diode prevents reverse charging. Includes: E-Z Connector Adapter (Plug and Play), mounting kits and a bright LED current indicator attachment. Use with Deep Cycle, AGM, Lead-Acid and Gel-Cell 12 Volt batteries. A 10 Amp Solar Controller (part #23122) is recommended to prevent the 12 Volt battery from overcharging. Accessories included in the kit: male output adapter (cigarette lighter adapter), LED voltage indicator and mounting hardware.Normalized SKU: 23144UPC Code: 010054231442
Frequently Asked Questions
First Choice Marine is an online marine retailer carrying a diverse line of marine parts and accessories and related items from industry-respected and demanded manufacturers and suppliers. Through our diverse distributor network, we are able to access over 150,000 items, including our current site inventory, new products being added, and special order items. If you need it on your boat... we are your one-stop shop!
Yes, we offer FREE Shipping on most orders over $149 to US-48*.
Each product displays a shipping status message, just above the item price. Below is the meaning for each of these codes.
- Qualifies for Free Shipping: This item qualifies for free shipping when the order is $149+
- Qualifies for Free Ground Shipping: This item qualifies for free ground shipping when the order is $149+.
- Oversized - Not Qualified for Free Shipping: This item is too large/heavy to qualify for free shipping
- Hazardous Item - Not Qualified for Free Shipping: This item is hazardous and does not qualify for free shipping
- Truck Freight - Not Qualified for Free Shipping: This item has to be shipped via truck freight. Please contact us for a quote
- In-Store Pickup Only: This item can only be picked up in our Grain Valley, MO retail store
Below the price of the item, on the product page, there is a message indicating the availability of the product.
The quantity on hand is updated as inventory events happen and matches what we have available. If you have urgent needs and we are close to what you need, contact us, and we can confirm stock.
We offer a hassle-free return policy. If you're not completely satisfied with your purchase, you can return it within 30 days for a full refund or exchange.
If you need to return an item, please follow the guidelines here so we can process a prompt refund and assist you in finding the correct item.
Free Shipping
On most orders $149+ to the continental 48 US states.Secure Shopping
Fast, secure checkout with a variety of payment methods.Shop with confidence
25+ years serving the marine industry.Support center
Need help? Contact us via live chat, phone, or email.