---
product_id: 764139
title: "Battery Tender Junior 12V, 750mA Charger and Maintainer: Automatic 12V Powersports for Motorcycle, ATVs, and More - Smarter Than a Trickle Charger - 021-0123"
brand: "battery tender"
price: "R$770"
currency: BRL
in_stock: true
reviews_count: 13
category: "Battery Tender"
url: https://www.desertcart.com.br/products/764139-battery-tender-junior-12v-750ma-charger-and-maintainer-automatic-12v
store_origin: BR
region: Brazil
---

# 750mA optimized current 12V smart charging 4-step battery protection Battery Tender Junior 12V, 750mA Charger and Maintainer: Automatic 12V Powersports for Motorcycle, ATVs, and More - Smarter Than a Trickle Charger - 021-0123

**Brand:** battery tender
**Price:** R$770
**Availability:** ✅ In Stock

## Summary

> 🔌 Never get stranded—charge smarter, ride longer!

## Quick Answers

- **What is this?** Battery Tender Junior 12V, 750mA Charger and Maintainer: Automatic 12V Powersports for Motorcycle, ATVs, and More - Smarter Than a Trickle Charger - 021-0123 by battery tender
- **How much does it cost?** R$770 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.com.br](https://www.desertcart.com.br/products/764139-battery-tender-junior-12v-750ma-charger-and-maintainer-automatic-12v)

## Best For

- battery tender enthusiasts

## Why This Product

- Trusted battery tender brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Safety First Design:** Spark-proof circuitry and reverse polarity detection mean zero worries when connecting—plug in confidently every time.
- • **Compact & Lightweight:** At just 3.3 x 1.3 x 2.4 inches and 1 lb, it fits anywhere—perfect for on-the-go pros who value space and efficiency.
- • **Smart 4-Step Charging:** Keeps your battery healthy with Initialization, Bulk, Absorption, and Float modes—no overcharging, just peak performance.
- • **Universal Compatibility:** Works flawlessly with all 12V lead-acid, AGM, flooded, and gel cell batteries—one charger for all your powersports.
- • **Real-Time Charge Monitoring:** Two-color LED status keeps you informed, while adaptive charging kicks in automatically to maintain battery health long-term.

## Overview

The Battery Tender Junior 12V, 750mA Charger and Maintainer is a compact, intelligent battery charger designed for motorcycles, ATVs, and other 12V powersports vehicles. Featuring a 4-step charging process, spark-proof safety, and adaptive float mode, it ensures optimal battery health and longevity. Compatible with all 12V lead-acid battery types, it offers hassle-free maintenance with real-time LED monitoring and a lightweight design, backed by a 5-year warranty and lifetime support.

## Description

Buy Battery Tender Junior 12V, 750mA Charger and Maintainer: Automatic 12V Powersports for Motorcycle, ATVs, and More - Smarter Than a Trickle Charger - 021-0123: Battery Chargers - desertcart.com ✓ FREE DELIVERY possible on eligible purchases

Review: Perfect for my motorcycle, high quality tender - I have had this tender for over 2 years now and of course it works great. The brand is great, it keeps my motorcycle battery alive during the cold season. Easy to use and great value.
Review: Quality Product as Always - Have used several of their “tenders” over the years. Always work great and last forever. I use this one to keep our backup generators charged. Also use them on truck batteries for a truck that get’s drove about once a month.

## Features

- 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

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B000CITK8S |
| Amperage | 0.75 Amps |
| Best Sellers Rank | #198 in Automotive ( See Top 100 in Automotive ) #5 in Battery Chargers |
| Brand | Battery Tender |
| Customer Reviews | 4.8 4.8 out of 5 stars (49,342) |
| Date First Available | November 30, 2004 |
| Exterior | Painted |
| Is Discontinued By Manufacturer | No |
| Item Weight | 1.37 pounds |
| Item model number | 021-0123 |
| Manufacturer | Deltran |
| Manufacturer Part Number | 021-0123-CA |
| Model | Battery Tender 021-0123 |
| OEM Part Number | cc2851011 |
| Product Dimensions | 8 x 4 x 9 inches |
| Safety Rating | Não Aplicável |
| Voltage | 12 Volts |

## Product Details

- **Brand:** Battery Tender
- **Color:** Black/Green
- **Output Voltage:** 12 Volts
- **Product Dimensions:** 2.9"D x 2.15"W x 4.4"H
- **Specification Met:** CSA, ETL, FCC

## Images

![Battery Tender Junior 12V, 750mA Charger and Maintainer: Automatic 12V Powersports for Motorcycle, ATVs, and More - Smarter Than a Trickle Charger - 021-0123 - Image 1](https://m.media-amazon.com/images/I/61nddgtbkaL.jpg)

## Questions & Answers

**Q: How is Axtra 3.6 amp battery charger maintainer compare to Battery Tender 0.75 amp?**
A: AXTRA 3.6 amp battery charger will deliver faster charging current than Battery Tender 0.75 amp. After a throughout comparison, both battery chargers are great in functionality for the buck.

**Q: Is Axtra battery charger maintainer better than Battery Tender?**
A: I conducted and performed a throughout real experiment on both chargers. I am auto mechanic with 40 years experience. If you really need a good charger in my personal opinion and experience to keep your car battery maintained during all yearly storage then I recommend the AXTRA car battery charger as this charger will have both 0.9 amp and 3.6 amp that will be more beneficial to charge for 6 volt and 12 volt small size to medium size batteries, and it has a lot more functionality than the Battery Tender 0.75 amp with only 12 volt charging output.

**Q: It looks like Axtra 3.6 amp battery charger maintainer is better than this one?**
A: I am auto mechanic with 40 years experience. If you really need a good charger in my personal opinion and experience to keep your car battery maintained during all yearly storage then I recommend the AXTRA car battery charger as this charger will have both 0.9 amp and 3.6 amp that will be more efficient to charge for 6 volt and 12 volt small size to medium size batteries, and it has a lot more functionality than the Battery Tender 0.75 amp with only 12 volt charging output.

**Q: Looks like Axtra 3.6 amp battery charger maintainer is better than this?**
A: I am auto mechanic with 40 years experience. I pulled the trigger to compare both battery chargers.

If you really need a good charger in my personal opinion and experience to keep your car battery maintained during all yearly storage then I recommend the AXTRA car battery charger as this charger will have both 0.9 amp and 3.6 amp that will be more beneficial to charge for 6 volt and 12 volt small size to medium size batteries, and it has a lot more functionality than the Battery Tender 0.75 amp with only 12 volt charging output.

## Customer Reviews

### ⭐⭐⭐⭐⭐ Perfect for my motorcycle, high quality tender
*by K***Y on January 1, 2026*

I have had this tender for over 2 years now and of course it works great. The brand is great, it keeps my motorcycle battery alive during the cold season. Easy to use and great value.

### ⭐⭐⭐⭐⭐ Quality Product as Always
*by D***. on December 18, 2025*

Have used several of their “tenders” over the years. Always work great and last forever. I use this one to keep our backup generators charged. Also use them on truck batteries for a truck that get’s drove about once a month.

### ⭐⭐⭐⭐⭐ Great product.
*by B***K on January 16, 2026*

works perfect and saved me last night when car would not start.

## Frequently Bought Together

- Battery Tender Junior 12V, 750mA Charger and Maintainer: Automatic 12V Powersports for Motorcycle, ATVs, and More - Smarter Than a Trickle Charger - 021-0123
- Battery Tender Ring Terminal Harness Accessory Cable - 18 inch Cord Adapter with SAE Quick Disconnect - Easy Quick Convenient for Motorcycles, Cars, ATVs and More - 081-0069-6
- Battery Tender Quick Disconnect USB Charger Adapter - Easily Charge Mobile Devices with 12V Vehicle Battery on The Go - Perfect for Camping Our Outdoor Adventures - 081-0158

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---

*Product available on Desertcart Brazil*
*Store origin: BR*
*Last updated: 2026-01-25*