Battery Tender
Battery Tender Junior 12V, 750mA Charger and Maintainer: Automatic 12V Powersports for
Highlights
- Stay Charged: Battery Tender battery chargers and maintainers provide a full charge to your powersport vehicle’s battery before switching to float mode to maintain proper voltage levels for safe, long-term storage
- Extend Battery Life: Compatible with all 12V lead-acid, flooded, AGM, and gel cell batteries. Complete 4-step charging program (Initialization, Bulk Charge, Absorption Mode, Float Mode) allows for optimization of battery power, without overcharging or battery damage. Smarter than a trickle charger.
- Includes: 12V, 750mA battery charger and battery maintainer with 12-foot output cord, fused-ring terminal harness for hard-to-reach batteries and alligator clip accessory cables, 5-year warranty, and lifetime customer support
- Simple & Safe: Low maintenance, easy-to-use, universal battery charger is just 3.3 x 1.3 x 2.4 inches, 1 lb (charger only). Spark-proof circuitry ensures no-spark connections, and automatic reversed hook-up detection verifies correct connection
- Monitor Power Levels: Two-color charge status LED light indicates the state of the charge and if the battery voltage drops too far under load, adaptive charging will resume full charger output power. Automatic charge cycle functionality switches to float mode after fully charging the battery
Why You'll Love It
- Automatic four-step charging cycle charges fully before switching to float mode to prevent overcharging
- Works across lead-acid, flooded, AGM, and gel cell 12-volt vehicle batteries
- Spark-proof design and reverse hook-up detection keep garage connections safe and simple
- Includes both alligator clips and a fused ring terminal harness for hard-to-reach setups
- Generous 12-foot output cord makes reaching stored vehicles easy in tight garages
- Compact one-pound build stores away easily without cluttering your workbench
Pros
- +Four-step charging program prevents overcharging
- +Long 12-foot output cord included
- +Includes fused ring terminals and alligator clips
- +Backed by a 5-year warranty
- +Built-in spark-proof and reverse-polarity safety
Cons
- -Modest 750mA output charges large batteries slowly
- -Only compatible with 12V battery systems
Detailed Review
The Battery Tender Junior 12V 750mA Charger and Maintainer is a dedicated power management tool designed to keep powersport and vehicle batteries in working order during periods of storage. It manages charging automatically by bringing connected batteries up to full capacity and then shifting to a continuous float mode, eliminating the risk of overcharging that comes with standard trickle units.
Its four-step sequence runs through initialization, bulk charging, absorption, and float maintenance. The system works with 12V lead-acid, flooded, AGM, and gel cell configurations, making it versatile across different vehicle types. A two-color LED indicator clarifies the charging state at a glance, and adaptive charging automatically resumes full power if the battery voltage drops under load.
Physical setup is flexible thanks to the included 12-foot output cord. The package provides both standard alligator clips for quick connections and a fused-ring terminal harness, which works well for batteries buried beneath body panels or tight engine compartments. At just 3.3 by 1.3 by 2.4 inches and weighing one pound, the unit remains unobtrusive during use. Spark-proof circuitry and automatic reversed hook-up detection prevent accidental shorts during setup.
Keep in mind that the 750mA output is engineered specifically for maintenance and steady charging rather than rapid recovery. Charging depleted high-capacity batteries will take patience. Additionally, it is strictly built for 12-volt systems, so 6-volt or 24-volt setups are not supported.
Verdict: The Battery Tender Junior is an excellent choice for vehicle owners who want reliable, hands-off battery upkeep for seasonal or stored equipment. If you need a safe maintainer that you can connect and leave unattended for months, this compact unit delivers dependable performance.
Specifications
- Output Voltage: 12V
- Output Current: 750mA
- Charger Dimensions: 3.3 x 1.3 x 2.4 inches
- Charger Weight: 1 lb
- Output Cord Length: 12 feet
- Charging Program: 4-step (Initialization, Bulk, Absorption, Float)
- Battery Compatibility: 12V lead-acid, flooded, AGM, and gel cell
- Warranty: 5-year warranty with lifetime customer support
Who Should Buy It
A great fit if you:
- Store powersport vehicles, seasonal equipment, or classic cars for extended periods
- Have batteries located in awkward, tight spaces that benefit from a permanent fused ring harness
- Want a low-maintenance charger with spark-proof and reverse-polarity protection
Consider something else if you:
- Need rapid high-amperage charging to revive large automotive batteries in a hurry
- Operate vehicles with 6-volt or 24-volt electrical systems
FAQ
What types of batteries can this charger maintain?
It is compatible with all 12-volt lead-acid, flooded, AGM, and gel cell batteries.
What accessories come included in the box?
The package includes the 12V 750mA charger with a 12-foot output cord, alligator clip accessory cables, and a fused-ring terminal harness.
How does the charger protect against incorrect setup?
The unit includes spark-proof circuitry to prevent sparking during connection and automatic reversed hook-up detection to verify correct polarity.
What warranty coverage does it include?
The charger comes with a 5-year warranty along with lifetime customer support.
Product Details
| Brand | Battery Tender |
| ASIN | B000CITK8S |
