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Battery Tender Plus Charger

The Battery Tender Plus Charger maintains and charges and maintains proper voltage for all lead-acid batteries. 


  • Input: 120VAC / 60Hz 
  • Output: 12V / 1250mA
  • Temperature compensated to ensure optimum charge voltage according to ambient temperature
  • Automatically switches from full charge to float charging mode
  • Battery Tender at 1.25 amps will charge as fast or faster than any 3 amp charger available
  • Reverse Polarity Protection to ensure user safety. Red & Green Lights Alternately Flash in this condition
  • Complete 4-step charging program (Initialization, Bulk Charge, Absorption Mode, Float Mode)
  • 10 year Warranty
4.8 / 5.0
15 Reviews
5 Stars
4 Stars
3 Stars
2 Stars
1 Star
Bang for the Buck
4.0 / 5
Would Purchase Again
4.0 / 5
Ease of Install
5.0 / 5
4.0 / 5
Ease of Use
5.0 / 5
Quality of Material
4.0 / 5
Would you recommend?
Yes (1)
DELTRAN Battery Tender Plus - review
bought Tender in-store over a year ago when I first bought my bike after I thought battery was dead sitting a few weeks. but time and again, the Tender brings it back. no need to haul to mechanic to be ripped off. I don't recommend anyone leave battery off box for more than a few days, as bike batteries drain easily just sitting/bike in storage as I learned. the Tender maintains juice, and keeps you ready when time to go. recommend use of the quick-connect harness to keep juiced. my garage outlets are far from where I can park my bike, so cord does not reach. manufacturer sells 12volt-only extensions separately and recommends against use of a regular extension cords. other than the cord issue, I still give it a five.

PROS: Keeps battery alive

CONS: Short cord

December 1, 2009
Set It And Forget It
This charger is great because it's "smarter" than a regular trickle charger and won't damage/overcharge your battery. I noted the power cord length (about 9 ft) as a con only because it's not super long. It's currently not a problem for me but I could see it being an issue where power outlets are not in easy reach of where your bike is parked. I permanently attached the included wiring harness for quick connect after a ride. Great product and I got a great price from CycleGear.

PROS: Includes wiring harness, Easy to operate, Small Footprint

CONS: Power cord length

BEST USES: Hook up after every ride, Long-term bike storage
February 15, 2010
On the must have list
Product speaks for itself.CycleGear is the best pricing [...]

PROS: Easy to use

January 28, 2010
World's best charger!!
November 12, 2010
Battery tender is real plus
Keeps battery on 2015 Harley UltraClassic charged and ready!

PROS: Excellent Value

BEST USES: Keeps Battery Perfect, Performance
January 17, 2016
Great Product
I been used for more then two years it's been great
January 12, 2010
Best tender
Nice tender for the price. Only drawback is if you park your bike more than 9 feet from the electrical receptor, then you need an extension cord.

PROS: LED indicator, No Overcharge, Great price

CONS: Chord length

January 3, 2013
Excellent Unit!
My Battery Maintainer 750 was unable to re-charge my almost dead "MLP-2112-C4" Lithium Battery, only able to keep it at around 6.5 Volts, and that after charging for well over 2 weeks! Hooked up my DELTRAN Battery Tender Waterproof 800, and 2 days later my battery was back at full charge. Just love the Deltran Battery Tenders!

PROS: World's Best Charger, Fast charge time, No Overcharge, Includes Wiring Harnesses, Easy to operate, Waterproof

CONS: none

BEST USES: Peace of mind, Motorcycle batteries, Long-term bike storage, Great For Any Battery
June 19, 2013
Go to for Batter Maintenance
I've owned multiple batter tenders for many years. I've never had one fail, my oldest is 15yrs and still works great, I've given them away to help some younger riders take care of their bikes. I have multiple bikes and living in New England now so riding time is limited. Only complaint is I would like them to increase the cord length from the unit to the bike leads; having three charges spread out on the floor takes up space. I don't pull the batteries from the bikes because if a day does pop up that I can ride in the winter I'm out on the road.
January 18, 2014
Best Service
This is a must have product if you don't ride every day. The Tender knows when you need a bump to keep the charge at full so when your ready to go, the battery is always up.
May 29, 2015
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Product Style Item # Manufacturer Product # Availability
12 Volt 177709 021-0128/0210128 In Stock: Ships next business day