Battery Tender Plus 1.25A Battery Charger and Maintainer
- 12 volt output, 1.25 amp
- Float charge maintainer
- Car, motorcycle, lawn mower, ATV listed
- Alligator clips and ring terminal cables
- 120 volts AC input
- 1.5 pounds, 2.9 x 2.15 x 4.4 inches
- CE, ETL, FCC listed
Last refreshed Sep 7, 2026 · Based on the Amazon listing and published specifications, not hands-on testing.
A small float charger and maintainer for cars, motorcycles, lawn mowers and ATVs, with two connector styles. Battery chemistry, charge stages and cable length are not listed.
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ASIN: B00068XCQUModel: 021-0128Category: Car Battery Chargers
Overview
A garage with a vehicle or lawn mower that needs its battery looked after gets a compact charger that maintains it on a float charge. It connects with alligator clips or a ring terminal and plugs into a wall outlet.
The low amperage and float charge suit keeping a battery topped up over time rather than reviving a dead one quickly. Two connector options cover clamping on or leaving ring terminals attached. The limitation is missing detail, since battery type compatibility, charge stages and cord length are not stated.
Who it's for
A garage or shed with seasonal vehicles and small engines. Look elsewhere for a quick top-up of a large flat battery, or for a unit with listed battery types.
Pros and cons
- Float charge maintainer
- Two connector types
- Compact and light
- Several vehicle types listed
- Low charge current
- Battery types not listed
- Cable length unstated
- Charge stages unstated
Performance notes
Charging time scales with battery size and the current available, so a low output works slowly on larger batteries. A float mode holds a steady voltage instead of pushing further. The listing does not describe stages or reverse polarity protection.
Where it stands among car battery chargers
- #4 most-searched brand and model of the 14 car battery chargers lines we track (by search demand, not sales).
From the specs of the 23 car battery chargers we list; not a test result.
Specifications
| Brand | Battery Tender |
|---|---|
| Model | 021-0128 |
| Dimensions & fit | |
| Item weight | 1.5 pounds |
| Item Dimensions D x W x H | 2.9 x 2.15 x 4.4 inches |
| Capacity & performance | |
| Output Voltage | 12 volts |
| Power & efficiency | |
| Amperage | 1.25 amps |
| Input Voltage | 120 volts AC |
| Construction & materials | |
| Color | Black |
| Compatibility & installation | |
| Compatible Devices | Car, motorcycle, lawn mower, ATV |
| Other details | |
| Number of Ports | 1 |
| Connector Type Used on Cable | Alligator Clips, Ring Terminal |
| Specification Met | CE, ETL, FCC |
Closest rivals on specs
CTEK CS ONE Gen 2 Smart Battery Charger with WiFi- Amperage 1.25 vs 1.8 amps (-31%)
NOCO GENIUS1 1A Smart Battery Charger- Amperage 1.25 vs 1 amps (+25%)
- Item Weight 1.5 vs 0.95 pounds (+58%)
Frequently asked questions
Is the Battery Tender Plus a jump starter?
No. It is a charger and maintainer with a float charge and a 1.25 amp output, not a source of starting current.
What can the Battery Tender Plus charge?
The listing names car, motorcycle, lawn mower and ATV batteries at 12 volts. It does not list battery chemistries.
How does the Battery Tender Plus connect to a battery?
The cable has alligator clips and a ring terminal, both listed under connector types.
Does the Battery Tender Plus work as a fast charger?
The listing positions it as smarter than a trickle charger and gives a low 1.25 amp output, so expect slow charging of large batteries.