The 10 Best Trickle Chargers
We spent 28 hours on research, videography, and editing, to review the top options for this wiki. Whether you need to coax a dead car battery back to health or want to keep your garage-stored motorcycle ready for action over the long winter, trickle chargers are an important part of at-home vehicle maintenance. We've compiled a list of some of the best units on the market, ranked in terms of ease-of-use, effectiveness, and affordability. When users buy our independently chosen editorial picks, we may earn commissions to support our work. Skip to the best trickle charger on Amazon.
10. Aurelio Tech Transportable Charger
With three different operating phases, the Aurelio Tech Transportable Charger is a functional -- and extremely cost-effective -- choice for the budget-minded buyer. Still, if you're servicing more than one vehicle, you may want something more heavy-duty.
- simple and compact design
- automatic float mode
- plug-in wire is short
|Rating||4.1 / 5.0|
9. Schumacher MC-1
They're not as high-tech as other models out there, but some people swear by manual trickle chargers. The one-amp Schumacher MC-1 is perfect for motorcycle and other small, wet-cell battery equipment -- just remember to remove the connectors when it reaches a full charge.
- features reverse hook-up protection
- includes optional 50 amp clamps
- cannot send to oregon or california
|Rating||4.0 / 5.0|
8. Black and Decker Charger/Maintainer
Though there are similarly-priced units that automate the process from start to finish, the Black and Decker Charger/Maintainer is a bestselling option that covers the basics. Once manually set to either six or twelve volts, it alternates between charge and float modes.
- built-in mounting bracket
- includes vehicle dc plug
- reviewers say switch is weak
|Rating||3.7 / 5.0|
7. Genius UltraSafe Smart Charger
Noco claims its leading Genius UltraSafe Smart Charger works twice as fast than the average unit, which is handy if you need to revive a small battery on the fly. For anything larger, though, you'll likely be better off with one of their more powerful models.
- portable and lightweight design
- uv and water-resistant
- spark-proof technology
|Rating||3.8 / 5.0|
6. Battery Tender Junior
Delran's line of trickle chargers and maintainers includes some of the best in the business, and their Battery Tender Junior is no exception. Its 4-step charging program restores power without overdoing it, meaning a healthier, longer-lasting battery for your vehicle.
- includes a 12-foot output cord
- backed by 5-year warranty
- good for agm and gel cells
|Rating||4.2 / 5.0|
5. Diehard Automatic
If you're the kind of person who's always leaving your vehicle lights on, the Diehard Automatic has you covered. Along with a 2 amp trickle charge mode, it also features a 50 amp engine start option that will get you back on the road in a pinch.
- 10 amp fast charge mode
- rustproof casing
- easy-to-read color meter
|Rating||4.0 / 5.0|
4. Black & Decker Waterproof
With two and six amp versions, the Black & Decker Waterproof is a durable unit that is well-suited for more rugged applications, such as use on a boat. It's sealed from dust and moisture and can be left connected indefinitely, giving you less to worry about.
- compliant with cec standards
- three types of connectors
- backed by one-year warranty
|Rating||4.3 / 5.0|
3. Stanley 25 Amp High Frequency Bench
For especially damaged or worn-out batteries, the Stanley 25 Amp High Frequency Bench features reconditioning technology that can help reverse sulfate build-up and extend battery life. It's also able to evaluate your car's alternator for potential issues.
- 40 percent faster than average units
- lcd screen issues problem alerts
- 75 amp engine start option
|Rating||4.9 / 5.0|
2. Schumacher 12 amp SpeedCharge
A premium offering from a well-known industry manufacturer, the Schumacher 12 amp SpeedCharge is another fully-automated unit that includes multiple power options for a range of uses. It's controlled by an advanced microprocessor, resulting in added precision and safety.
- sturdy built-in handle
- capable of slow and rapid charging
- includes 6-foot cord
|Rating||4.8 / 5.0|
1. Battery Tender Plus
With 50 percent more power than their junior model, the Battery Tender Plus is a quick and easy solution to your charging needs. The fully-automated unit is temperature-compensated to ensure optimum voltage input and protected against reverse polarity for increased safety.
- first of its kind in the industry
- one-and-a-quarter amp output
- backed by 10-year warranty
|Rating||5.0 / 5.0|