Can I leave this connected to my motorcycle all winter without damaging the battery?

Yes! Battery Tender Junior switches to float/maintenance mode at full charge, offsetting self-discharge to keep at 100% without overcharging or damage. Unlike trickle chargers, it adjusts output to battery needs for safe long-term storage.

What size batteries can this charge? Is it good for small motorcycle batteries?

Battery Tender Junior 750mA is ideal for 3–30Ah batteries in motorcycles, ATVs, UTVs, scooters, PWCs, and snowmobiles. Safely charges small 3–5Ah batteries overnight and larger 14–20Ah motorcycle batteries in ~14–22 hrs.

Will the Battery Tender Junior work on my Harley-Davidson?

Yes, Battery Tender Junior works with all Harley-Davidson 12V models, including Sportster, Softail, Dyna, Touring, CVO, and Pan America. The 750mA output is ideal for Harley batteries, and the included harness allows easy plug-in charging.

What is the difference between this and a trickle charger?

A trickle charger delivers constant current and can overcharge a battery during storage. The Battery Tender Junior is a smart charger that automatically switches to float mode, charging only when needed for safe long-term maintenance.

Will this charge a completely dead battery?

Battery Tender Junior can recover most deeply discharged batteries using low-voltage recovery during startup. Batteries below 2V or left discharged too long may be permanently damaged. Red LED = charging; flashing red may indicate a bad battery.

Fully operational. Shipping worldwide, on schedule.Duty & taxes paid at delivery

Help Track order

Account Cart

Fully operational. Shipping worldwide, on schedule.Duty & taxes paid at delivery

Help Track order

Account Cart

Junior 12V, 750mA Charger and Maintainer: Automatic 12V Powersports for Motorcycle, ATVs, and More - Smarter Than a Trickle Charger - 021-0123

Product ID: 764139

Details

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

⚡12V output power

🔋750mA smart charging current

🛡️4-step battery protection

Buy anything from 5,000+ international stores. One checkout price. No surprise fees. Join 2M+ shoppers on Desertcart.

COP 321410

Duties & taxes included

In stock

Sold byAmazon ColombiaDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

Buyer Protection · Full refund if your order doesn't arrive as described.

Desertcart purchases this item on your behalf and handles shipping, customs, and support to Colombia.

Secure transaction

Description

🔌 Stay Powered, Stay Ahead — Smarter Charging for the Modern Rider

SAFETY FIRST - Spark-proof circuitry and reverse polarity detection keep your gear and you protected.
COMPACT PORTABLE - Lightweight 1 lb design (3.3 x 1.3 x 2.4 inches) fits anywhere—ideal for on-the-go pros.
REAL TIME MONITORING - Two-color LED status and adaptive charging keep your battery in peak condition, always ready to roll.
SMART 4 STEP CHARGING - Optimizes battery health with Initialization, Bulk, Absorption, and Float modes—no overcharge, no damage.
UNIVERSAL COMPATIBILITY - Works seamlessly with all 12V lead-acid, AGM, flooded, and gel cell batteries for your powersports fleet.

The Battery Tender Junior 12V, 750mA Charger and Maintainer delivers intelligent, automatic 4-step charging tailored for 12V powersport batteries. Compact and safe, it extends battery life by preventing overcharge and damage, featuring spark-proof circuitry, reverse polarity protection, and real-time LED monitoring. Compatible with all 12V lead-acid types, it’s the essential tool for motorcycle, ATV, and powersport enthusiasts who demand reliability and convenience.

Specifications

ASIN	B000CITK8S
Amperage	0.75 Amps
Best Sellers Rank	#493 in Automotive ( See Top 100 in Automotive ) #5 in Battery Chargers
Brand	Battery Tender
Built-In Media	Battery Tender 021-0123
Color	Black/Green
Connector Type Used on Cable	Alligator Clips, Ring Terminals
Current Rating	750 Milliamps
Customer Reviews	4.8 4.8 out of 5 stars (49,748)
External Testing Certification	Não Aplicável
Global Trade Identification Number	00734357000078
Input Voltage	12 Volts
Item Dimensions D x W x H	2.9"D x 2.15"W x 4.4"H
Item Type Name	BATTERY_CHARGER
Manufacturer	Deltran
Mfr Part Number	021-0123-CA
Model Number	021-0123
Number of Ports	1
Output Voltage	12 Volts
Specification Met	CSA, ETL, FCC
Unit Count	1.0 Count
Warranty Description	Manufacturer Warranty

Common Questions

Are the products genuine and authentic?+

Yes, all products are sourced directly from authorized retailers in the US, UK, UAE and India. We maintain strict quality control processes and verify each product before shipping. All items come with applicable manufacturer warranties and are covered by our standard return policy.

How long does delivery take and is it reliable?+

Delivery times vary by destination country, typically ranging from 3-9 business days. Each order is fully trackable through our system. We handle all customs clearance and use reliable courier partners for last-mile delivery. You'll receive regular updates about your order status via email and our app.

What is Desertcart? Is it safe to order from?+

Desertcart is an international e-commerce platform operating since 2014. We securely process thousands of orders globally each day. Every product goes through our quality verification process before delivery, and we provide end-to-end order tracking, 24/7 customer support, and a comprehensive returns policy to ensure a safe shopping experience.

How is product pricing calculated?+

Our prices include the product cost, international shipping, import duties, customs clearance, and local delivery charges. We handle all customs and import procedures, ensuring there are no hidden fees upon delivery. PRO members receive additional benefits including free shipping.

Trustpilot

TrustScore 4.5 | 7,300+ reviews

Meera L.

Smooth transaction and product arrived in perfect condition.

3 weeks ago

Ayesha M.

The product exactly matches the description. Very satisfied with my purchase.

5 days ago

View all Trustpilot reviews

Shop Global, Save with Desertcart

Value for Money

Competitive prices on a vast range of products

Shop Globally

Serving millions of shoppers across more than 100 countries

Enhanced Protection

Trusted payment options loved by worldwide shoppers

Customer Assurance

Trusted payment options loved by worldwide shoppers.

Desertcart App

Shop on the go, anytime, anywhere.

Buy anything from 5,000+ international stores. One checkout price. No surprise fees. Join 2M+ shoppers on Desertcart.

COP 321410

Duties & taxes included

In stock

Sold byAmazon ColombiaDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

Buyer Protection · Full refund if your order doesn't arrive as described.

Desertcart purchases this item on your behalf and handles shipping, customs, and support to Colombia.

Secure transaction

Trustpilot

TrustScore 4.5 | 7,300+ reviews

Imran F.

Very reliable shop with genuine products. Will definitely buy again!

2 weeks ago

Pooja R.

The customer service exceeded my expectations. Perfect for buying products you can't find elsewhere.

1 week ago

View all Trustpilot reviews