Wirthco Chargers

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Product - Battery Doctor 21073-7 Universal Adjustable Battery Hold-down
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Product Spec
Corrosion-resistant vinyl-coated low carbon steel hold-down with two 8.5" J steel bolts & wing nuts Secures battery to small or large replacement battery tray (sold separately) Adjustable size 516" thread fits battery width 4.5"-7"
Product - WirthCo 20037 12V 2 Amp Charger Rainproof
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Product Spec
WirthCo 20037 12V 2 Amp Charger Rainproof
Product - Wirthco Engineering 20310 Battery Doctor 20310 Compact Battery Switches: Side Mount W/ Fused Bypass
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Product Spec
Easy to install on negative battery post
  • Stops unwanted battery drain with a twist of a knob
  • Rated 125A continuous/500A peak
  • Includes a 15A fused bypass that allows a small current to pass to retain electrical memory presets
  • Side-mount negative battery post
  • Product - Battery Doctor 20067 Battery Doc[r] 6-volt/12-volt 2-amp Rainproof[r] Cec Charger/maintainer
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    Product Spec
    Charges & maintains batteries from 5Ah-200Ah Water-resistant molded case (IP65) Smart battery technology prevents overcharging Reverse hookup protection/spark-resistant Automatic switching technology Can be safely connected to stored vehicle for long periods of time Easy-to-read battery charge-status LEDs Maintains batteries up to 400Ah CEC certified Includes ring terminal & alligator clip cable attachments
    Product - Battery Doctor 20026 Battery Doc[r] 6-volt/12-volt 900ma Wall Mount[tm] Cec Charger/maintainer
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    Product Spec
    Charges & maintains batteries from 5Ah - 100Ah
  • Smart battery technology prevents overcharging
  • Reverse hookup protection/spark-resistant
  • Automatic switching technology
  • Can be safely connected to stored vehicle for long periods of time
  • Easy-to-read battery charge-status LEDs
  • Direct wall plug-in design keeps work area clutter-free
  • Maintains batteries up to 200Ah
  • CEC certified
  • Includes ring terminal & alligator clip cable attachments
  • Product - WirthCo 20085 Battery Doctor 12V 2/4/8 Amp Smart Battery Charger/Maintainer
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    Product Spec
    Battery maintenance made easy! Battery Doctor Fully Automatic, Portable Battery Charger. "Is there a doctor in the house?" Keep your vehicle's battery in top shape 24/7/365. A must-have item during periods of battery inactivity and storage. Automatically senses the state of charge of your battery, then safely adjusts their charging rate to ensure self-discharging and post corrosion does not occur. UL-listed. Carries a 5-year Limited Mfr.'s Warranty. 7 automatic stages: refresh, soft start, bulk charge, absorption, equalize, analysis and float; Automatically detects defective batteries; LED shows charging rate; Thermal resistor senses overheating; Surge and short circuit protected; Includes 6' AC cable and 8' DC cable; Maintains 6 to 160A / hrs. Battery Doctor 2/4/8 Amp 12V Smart Charger California Prop 65 - Warning, This product contains chemicals known to the State of California to cause cancer, birth defects or other reproductive harm. “Product cannot be sold or shipped to the State of California.”
    Product - Wirthco Engineering 20128 Battery Doctor 20128 Knife Switch: Side Terminal-retail Pkg
    Product Image
    Product Spec
    Mounts on the negative post
  • Disconnects batteries safely & easily
  • Stops unwanted battery drain
  • Retail packaging
  • Side post terminal
  • Free returns online or in-store

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  • We focused on the bestselling products customers like you want most in categories like Baby, Clothing, Electronics and Health & Beauty.
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  • Your product will be shipped to its final destination to arrive in 2 business days or faster. If your order is placed before the 11 a.m. PST cutoff time, then it will ship that day and arrive 2 business days later. If your order is placed after the 11 a.m. PST cutoff time, we will do our best to process it the same day but may need an extra day.
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  • Do you deliver on weekends?
  • We do not deliver on Sundays, but do sometimes deliver on Saturday depending on the carrier that is delivering your order. The best way to determine the date of delivery is to check the status in My Account .
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  • Why did my order come in multiple boxes?
  • We do our best to get your whole order in one box, but sometimes product is housed in different facilities, resulting in more than one box.
  • Why is my favorite product not ShippingPass-eligible anymore?
  • The ShippingPass assortment is continually being optimized. Products are added and removed for lots of reasons, but the main reason is to show items that we're 100% sure we can deliver within the promised timeline.