Battery Chargers & Maintenance Battery Tender

Battery Tender by Deltran

Arguably some of the world’s most advanced fully-automatic battery chargers for longer battery life, dependability, and far less maintenance! Deltran Battery Tender ® is the official factory authorised manufacturer of Harley-Davidson and BMW battery chargers.

Battery Tender ® assures some of the highest quality, fast-charging convenience and performance on the market. The choice of collectors, dealers, and fleet owners, their state-of-the art chargers can actually save hundreds of dollars in replacement batteries!

About Battery Tender

The company was started as a family business in 1965 and is based out of DeLand, Florida, and are best known for their BTP Microprocessor Technology incorporated in many of the products designed to maintain and protect your batteries.

From motorcycle, quad bikes, cars, vans and trucks to boats and other marine craft Battery Tender have specialist battery care products for most uses.

Deltran Battery Tender Warranty

So confident are they in the quality of their products, in general Deltran provide a 10 year warranty period on their battery charger products, depending on the model and region. The warranty covers both defective material or workmanship.

Why the Battery Tender® vs. conventional battery chargers?

Avoid the potentially damaging effects caused by most trickle chargers!

Their BTP Microprocessor Technology and quick-connect convenience automatically maintains the batteries in all your vehicles so they are ready to go when you are!

You just set it, and forget it, assuring the highest quality, fast-charging convenience and performance.

Want more proof?

* Rider Magazine: Product of the Year!
* Rated #1 by Motorcycle Consumer News.
* The #1 Selling Charger in the U.S. Powersports Industry!
* Endorsed & Recommended by Motorcycle Mechanics Institute (MMI) & the American Motorcycle Institute (AMI).
* Featured on Speed TV’s My Classic Car & Corbin’s Ride On.

Most Popular Products
SaleBestseller No. 1
Battery Tender Junior 12V Charger and Maintainer: Automatic 12V Powersports Battery Charger and Maintainer for Motorcycle, ATVs, and More - Smart 12 Volt, 750mA Battery Float Chargers - 021-0123
32,452 Reviews
Battery Tender Junior 12V Charger and Maintainer: Automatic 12V Powersports Battery Charger and Maintainer for Motorcycle, ATVs, and More - Smart 12 Volt, 750mA Battery Float Chargers - 021-0123
  • STAY CHARGED: Provides a full charge to your machine’s battery before switching to float mode to maintain proper voltage levels for safe, long term storage without overcharging. Spark proof during lead connection, reverse polarity protected and includes a 12-foot output cord and 5-year warranty
  • EASY TO USE: Low maintenance design to be quick and easy to use, our universal powersport vehicle charger and maintainer is compact and lightweight. Perfect for charging all 12-volt lead-acid, flooded or sealed maintenance free batteries (AGM and gel cell) and safety timer-80 hours
  • EXTENDED BATTERY LIFE: Compatible with lead-acid, flooded, and sealed maintenance free batteries (AGM and gel cell) to be ideal for use in long term storage. Complete 4-step charging program (Initialization, Bulk Charge, Float Mode) allows for optimization of battery power, without overcharging
  • MONITOR POWER LEVELS: Solid state two-color LED light indicates the state of the charge and if the battery voltage drops too far under load, ISM adaptive charging will resume full charger output power. Automatic charge cycle functionality switches to float mode after fully charging the battery
  • SAFE AND SECURE: Our 12v battery charger and maintainer is spark-proof during lead connection and automatically detects reverse polarity to ensure a correct. Solid state two color LED indicates stage of charger and if the battery voltage drops too far under load, full charger output power resumes
Bestseller No. 2
Battery Tender Plus 12V Battery Charger and Maintainer: 1.25 AMP Powersport Battery Charger and Maintainer for Motorcycles, ATVs, UTVs - Smart 12 Volt Automatic Float Charger - 021-0128
11,620 Reviews
Battery Tender Plus 12V Battery Charger and Maintainer: 1.25 AMP Powersport Battery Charger and Maintainer for Motorcycles, ATVs, UTVs - Smart 12 Volt Automatic Float Charger - 021-0128
  • STAY CHARGED: This 1.25 AMP charger provides a full charge to your powersports battery before automatically switching to float mode to maintain proper voltage levels without overcharging the battery
  • EASY, FAST CHARGING: A low maintenance design to be quick and easy to use even in small storage spaces, our powersport charger and maintainer charges as fast or faster than any 3 amp charger available
  • EXTENDED BATTERY LIFE: Compatible with lead-acid, flooded, and sealed maintenance free batteries (AGM and gel cell) and ideal for use in long term storage to provide and maintain an optimal charge
  • MONITOR POWER LEVELS: Solid state two-color LED light indicates the state of the charge and if the battery voltage drops too far under load, ISM adaptive charging will resume full charger output power
  • SAFE AND SECURE: Our 12v battery charger and maintainer is spark-proof during lead connection and automatically detects reverse polarity to ensure a correct, locked-in connection before providing power
SaleBestseller No. 3
Battery Tender 4 AMP Car Battery Charger and Maintainer: Switchable 6V / 12V, Automotive Battery Charger and Maintainer for Cars, Trucks, and SUVs, Lead Acid & Lithium Battery Charger - 022-0209-BT-WH
2,381 Reviews
Battery Tender 4 AMP Car Battery Charger and Maintainer: Switchable 6V / 12V, Automotive Battery Charger and Maintainer for Cars, Trucks, and SUVs, Lead Acid & Lithium Battery Charger - 022-0209-BT-WH
  • STAY CHARGED: The 4 amp car battery charger automotive provides a full charge to your machine's battery before automatically switching to float mode to maintain proper voltage levels for your battery without overcharging
  • FULLY SELECTABLE: With the push of a button, easily switch from AGM or flooded and lithium ion (LiFePO4) batteries to provide and maintain an optimal charge level for 6 and 12 volt batteries alike
  • HIGH POWERED: 4 amp switchable car battery charger automotive delivers a powerful charge to keep your car, SUV, pickup truck, or boat battery at peak performance by providing reliable engine starts and extended battery life
  • EASY TO USE: A low maintenance design that's quick and simple to use, our switchable automobile charger and maintainer is compact and lightweight to operate everywhere, even in small storage spaces
  • SAFE AND SECURE: Our car battery charger automotive and maintainer is spark-proof during lead connection and automatically detects reverse polarity to ensure a correct, locked-in connection before providing power. 5 Year Industry Leading Warranty
Bestseller No. 4
12V 1.25A Battery CHRGR
23 Reviews
12V 1.25A Battery CHRGR
  • Brand New in box. The product ships with all relevant accessories
SaleBestseller No. 5
Battery Tender 4-Bank: 1.25 Amp Battery Charger 12 Volt with 4 Ports - Simultaneously Charges and Maintains Up to Four Batteries - 022-0148-DL-WH
3,422 Reviews
Battery Tender 4-Bank: 1.25 Amp Battery Charger 12 Volt with 4 Ports - Simultaneously Charges and Maintains Up to Four Batteries - 022-0148-DL-WH
  • 4 BANK 12V BATTER CHARGER: Charge and maintain up to four 12 volt batteries simultaneously, each at its proper storage voltage without the damaging effects that typical trickle chargers can cause by overcharging
  • CONNECT AND FORGET: Cutting edge Battery Management System technology automates the charge for your power sports by fully charging your battery then, goes into float mode to maintain an optimal charge
  • POWER SPORT COMPATIBLE: First fully automatic, constant current 12v battery charger designed to charge and maintain up to four 12-volt batteries at once for your motorcycle, ATV or UTV, PWC, or scooter
  • MONITOR POWER LEVELS: Solid state two-color LED light indicates the state of the charge and if the battery voltage drops too far under load, ISM adaptive charging will resume full charger output power
  • SAFE AND SECURE: Our multiple port 12v battery charger bank is spark-proof during lead connection and automatically detects reverse polarity via microchip to ensure a correct connection before providing power
Which Battery Tender® product is for you? 

The Battery Tender Power Tender Plus  is ideal for most applications: Automobiles, Motorcycles, RV’s, ATV’s, Golf Carts, baTrucks & general use.

The Waterproof 800 is unique for Boats, Watercraft & outdoors.


Their range of battery chargers and maintenance products are perfect for ensuring your battery is fully maintained whatever the weather, but even more so a part of your winter car care and winter motorcycle care.