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DieHard Automatic 12 V 250 amps Battery Charger/Engine Starter

Four amp settings take you from slow trickle charging to a full 250A engine start, all on a wheeled base you can roll anywhere.
Diehard MPN 71341 In Stock & Ready to Ship
$219.99
Free shipping on orders over $149
Ships within 24 hours · most orders arrive in about 2 business days
Ships free on orders over $149 $14.99 flat shipping until your order reaches $149.

About Product Overview

The DieHard 71341 covers the full range of 12-volt battery charging jobs with four selectable settings: 2A for slow trickle maintenance, 15A for standard charging, 50A for faster top-offs, and a 250A setting built for jump-starting a dead battery. That range means one charger can handle a battery that's been sitting all winter as well as one that just won't turn over on a cold morning.

It runs automatically, so you set the amperage and let it manage the charge without babysitting the process. Built-in wheels make it easy to roll around the garage or bring out to the driveway instead of hauling a heavy unit by hand. It's UL Listed and backed by a 1-year warranty, giving you some assurance on a charger you'll likely keep around for years.

  • Charge rates: 2/15/50/250 Amps
  • 12-volt automatic charging
  • Wheeled design for easy mobility
  • UL Listed
  • 1-year warranty
  • Weight: 29.8 lbs

The Details Specifications

Brand Diehard
Model / MPN 71341
UPC 026666910156
Weight 30 lbs
Safety Data Sheet (SDS) Manufacturer documentation · opens in new tab
Price check

Go ahead. Check.

You're going to price-check us against Amazon, Home Depot, and Lowe's. Everybody does. Good — open all three tabs. We'll wait. Then look hard at what you're actually being handed over there.

On Amazon, start with these four questions before you click buy.

01

Who's actually selling it

The brand name is on the listing. A different company is in the seller field. Those aren't the same thing, and the second one is who you're buying from.

02

Whether the warranty survives

Most manufacturers only honor a warranty when the unit came through an authorized dealer. We're authorized for Diehard. A third-party marketplace seller usually isn't.

03

Where the box came from

Gray-market stock, returns repackaged as new, and outright fakes move through marketplaces constantly. It all looks identical in the photo. It stops looking identical when it fails.

04

Who you call when it breaks

Ours is a phone number with a person behind it who has held this product. M–F, 6 AM – 5 PM Pacific. (866) 469-8556

The big boxes don't care if your hardware store survives.

Amazon, Home Depot, and Lowe's are built to pull every hardware dollar out of your town. When the local shop can't keep the lights on, the counter where somebody actually knew which part you needed goes with it. We're built the other way: real brands so you're never stuck on a marketplace, and a straight answer to buy it down the street when that's the better call. Support independent hardware — it doesn't restock itself.

Why we tell you to shop local
Authorized dealer · Diehard

Or skip the tabs entirely and buy it down the street. Find a store near you →

Shop Local · Support Independent

Every order helps keep your local hardware store on the corner.

Why we built NHG
You might find it for less locally. Independent retailers often offer competitive pricing — some products are even cheaper in-store than online.
Real expert advice — not search results. Independent hardware staff know their inventory and the local conditions you're working in.
Keep the neighborhood working. Every dollar spent at an independent retailer returns roughly 3x more to your local economy than at a national chain.

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