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Suuwer Automatic Trickle Battery Charger, 12V 2000mA Battery Maintainer | for Car Motorcycle ATV Boat and More, With 12FT DC Cable

  • Based on 872 reviews
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Availability: In Stock.
Fulfilled by Amazon

Arrives Wednesday, Jul 29
Order within 47 minutes
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Size: 12V @ 2.0 AMP


Features

  • Fully-Automatic Smart Charging System: The Suuwer battery charging system is a 2.0-amp battery charger designed to fully charge a battery and maintain it at proper storage voltage without the damaging effects caused by trickle chargers. Once connected, the Chargers Manages Your battery's health on it's own
  • Universal Battery Compatibility: Compatible with all lead-acid, flooded or sealed maintenance free batteries (AGM and Gel Cell) or Lithium (LiFePO4). Suitable for Auto, Race, Car, ATV, UTV, Truck, Boat, RV, Lawn Tractor, Snowmobile, Marine, RV, Power sport, Motorcycle, Scooter, Lawn Mower and Snowmobile, Personal Watercraft, Airplanes, Golf Carts, Back-Up Generator Systems, Alarm System, Emergency Lighting System, Firefighting Equipment, Standby Power Supply and Telephone Switching System, Uninterrupted Power Supply, Telecommunication System, Computer Standby Power Supply System and More Batteries Charging
  • Advanced Temperature Compensation and Safety: Temperature compensated to ensure optimum charge voltage according to ambient temperature, Reverse-polarity protection to ensure user safety. Battery Charging Complete 4-step charging program (Initialization, Bulk Charge, Absorption Mode, Float Mode) Safer and smarter tender charging for protect your battery
  • Multi-Level Protection System: Smart circuits engineered with multi-level protections guard against reverse polarity, short circuit, overcurrent and overvoltage to maximally protect your car battery. Intuitive LED indicators provide visual state-of-charge feedback and diagnostic information, even when in maintenance mode. Red & Green indicator lights
  • Intelligent LED Diagnostic Indicators: Intelligent identification of LED (Flashing red light means it doesn't work: the reason is that the battery is reversely connected, the battery is not connected and the battery power is low 4.2V). The red light is always on for normal charging, the green light flashes to fully charge the battery, and the green light is always on to switch to the floating charging maintenance mode
  • Extended Reach and Easy Connection: The included large battery clip and O-ring terminals make it easy to connect motorcycles and car batteries. The total length of the DC power cord is 12 feet, Easy to connect anywhere. Product comes with two year warranty

Description

Specification: We merge minimalist design with intelligent engineering to create high-performance chargers & maintainers. Our expert team integrates advanced chip logic for precise detection, optimized charging, and recovery against overcharges/overloads. Compatible with all types of 6V/12V lead-acid and LiFePO4 batteries, ensuring safety and longevity. We’ve specialized in battery chargers since 2010, focusing on 6V/12V lead-acid and LiFePO4 batteries. Pick the right model for your device. Our chargers have smart chips that monitor battery health, prevent overcharging/overload, and restore old batteries. They work with multiple battery types for reliable performance. Absolutely. Built to industrial standards, our chargers pass strict safety tests, with overvoltage/overcurrent/short-circuit protection for safe, stable charging every time.

Brand: Suuwer


Color: Black


Product Dimensions: 1.38"D x 3.8"W x 2.36"H


Item Weight: 12.48 ounces


Output Voltage: 12 volts_of_direct_current


Output Voltage: 12 volts_of_direct_current


Input Voltage: 120 volts


Current Rating: 2 A


Amperage: 2 A


Compatible Devices: Cars, motorcycles, boats, lawn mowers, ATVs, UTVs, tractors, trucks, SUVs, RVs, campers, trailers, PWCs, jet skis, snowmobiles, golf carts, classic cars, lawn and garden vehicles, and more from various brands.


Connector Type Used on Cable: SAE


Item Dimensions D x W x H: 1.38"D x 3.8"W x 2.36"H


Item Weight: 12.48 ounces


Color: Black


Brand: Suuwer


Mfr Part Number: SUW020


UPC: 709327753261


Manufacturer: Suuwer


Unit Count: 1 Count


Model Number: SUW020


Frequently asked questions

If you place your order now, the estimated arrival date for this product is: Wednesday, Jul 29

Yes, absolutely! You may return this product for a full refund within 30 days of receiving it.

To initiate a return, please visit our Returns Center.

View our full returns policy here.

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Leasing options through Acima may also be available during checkout.

Learn more about financing & leasing here.

Top Amazon Reviews


  • Great for motorcycles
Ordered 2 of these to keep my 2 Lifan motorcycles with lithium batteries charged over the winter months and so far they have preformed flawlessly. The units are well built with quality connectors both the ring terminals and the gator clips. Would absolutely buy again.
Reviewed in the United States on December 15, 2025 by J Watters

  • Easy to use and read
Works and kept battery up so far. Easy to read status.
Reviewed in the United States on December 15, 2025 by Bob

  • Good little charger.
This has been a good little charger so far. I bought it for an ATV, but have also used it on my F150 and it charged a semi weak battery overnight.
Reviewed in the United States on June 27, 2026 by DHoff43

  • Nice size
Perfect as a tender
Reviewed in the United States on May 26, 2026 by Jamey Davis

  • Great, simple battery charger.
Love these little chargers. Great for "maintaining" batteries on vehicles that don't get used a lot. Lawnmowers, ATV's, etc. Works great, compact size for easy storage. Would buy again.
Reviewed in the United States on April 14, 2026 by Scott C.

  • WORKS GREAT!
About a year ago I ordered this unit to trickle charge my generator and it’s still working great. So, I recently decided to order another one for my riding mower. It arrived but this one wouldn’t charge so I asked for an exchange, explaining my situation. The company was great and immediately sent me a replacement. (Of course I returned the defective one) The new one came quickly and is working great at trickle charging the battery on my riding mower. This way, over the winter, I don’t have to worry about a dead battery. I appreciate Suuwer being so prompt in sending a replacement! ... show more
Reviewed in the United States on November 12, 2022 by P. WILEY

  • Must need simple trickle charger
I’ve left my bike on the trickle charger when I don’t ride and it consistently keeps it charged with no issues. Going to try it on my car too as I have one that sits in the winter, but it seems like it’ll work well on that too. Great accessory pack to allow for bike and car charging without buying additional items. ... show more
Reviewed in the United States on August 27, 2025 by Danny

  • Good Quality for the Price
Good quality charger for the price. Like the option to have fixed cable or alligator clips. Wish the cord was longer to accommodate charging a vehicle outdoors without an extension cord and with the control box under the hood.
Reviewed in the United States on March 25, 2025 by Rob A.

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