can i leave this on my harley all winter ?

I use the Battery Tender® Plus 12V, 1.25 Amp on my motorcycle and the Battery Tender 6V/12V, 4 Amp Lead Acid & Lithium Selectable Battery Charger on my Car. I leave them on both vehicles for extended amounts of time during the cold months.

Can i leave this on while im out of town for a month?

By all means. This device is intended to be connected for continuous operation (except for driving of course - be careful to unhook before getting in your vehicle. The design has a microprocessor that senses battery storage and will adjust the trickle to keep it at 100% (but not overcharging). In fact, you should not disconnect it for any reason unless driving the vehicle. I have a lawn tractor that only receives sporadic use. My zero turn does most of the lawn mowing. In any event, I keep both of these machines on a Deltran dual bank tender. Their batteries are several years old which is unusual for a lawn mower. (Typically, they fail shortly after the 12 Mo warranty.) Leave it on to do its job. Keep in mind that most vehicles (cars & trucks) draw a small amount of amperage while sitting - security system & clock. The tender will compensate for this discharge. Hope this helps.

Does this unit detect cold weather and charge to help prevent battery freezing ?

It does not detect cold weather. If it is on the battery and maintaining the voltage, the battery is less likely to freeze.

will it charge lead acid batteries?

Absolutely, all mine are of that type.

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Battery Tender 4 AMP Battery Charger and Maintainer - Automotive Switchable 12V or 6V Smart Automatic for Cars SUVs and Trucks - Lead Acid, AGM, Gel, & Lithium Battery Charger - 022-0209-BT-WH

Product ID: 160808058

Details

Brand
Battery Tender
Color
Black Green
Item Weight
2.4 pounds
Output Voltage
12
Product Dimensions
1.87"D x x

⚡4 Amp fast charging power

🔋Switchable 6V/12V for versatile battery types

🛡️Reverse polarity & spark-proof safety

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Sold byAmazon SenegalDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Description

🔌 Stay Powered, Stay Ahead — Never Miss a Charge!

TRUSTED DURABILITY - Backed by a 5-year warranty and lifetime customer service, ensuring long-term reliability and peace of mind.
COMPACT CONVENIENT - Lightweight design with 11 feet of combined cord length fits easily in tight spaces and is ready to go when you are.
EFFORTLESS MONITORING - Two-color LED and ISM adaptive charging keep you informed and your battery optimized in real-time.
SMART AUTO MAINTENANCE - Automatically switches to float mode to keep your battery perfectly charged without overcharging.
UNIVERSAL COMPATIBILITY - Works seamlessly with lead acid, AGM, gel, and lithium batteries at 6V or 12V with just a button push.

The Battery Tender 4 AMP Charger is a smart, automatic battery maintainer designed for 6V and 12V automotive batteries including lead acid, AGM, gel, and lithium types. It delivers a safe, efficient 4 amp charge with adaptive ISM technology, reverse polarity protection, and spark-proof operation. Compact and easy to use, it features a clear LED status indicator and comes with a 5-year warranty, making it the go-to choice for professionals and enthusiasts who demand reliable battery care.

Specifications

ASIN	B07XMJDJX7
Amperage	4 A
Best Sellers Rank	#7,125 in Automotive ( See Top 100 in Automotive ) #44 in Battery Chargers
Brand	Battery Tender
Built-In Media	12V 022-0209-BT-WH
Color	Black, Green
Connector Type Used on Cable	Alligator Clip and Ring Terminal
Current Rating	4 A
Customer Reviews	4.7 4.7 out of 5 stars (2,832)
Global Trade Identification Number	00734357220957
Input Voltage	120 volts
Item Dimensions D x W x H	1.87"D x 3.86"W x 8.3"H
Item Type Name	BATTERY_CHARGER
Item Weight	2.4 pounds
Manufacturer	12V
Mfr Part Number	022-0209-BT-WH
Model Number	022-0209-BT-WH
Number of Items	1
Number of Ports	1
Output Voltage	12 volts_of_direct_current
UPC	734357220957
Unit Count	1 Count
Warranty Description	Manufacturer Warranty

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109557CFA

Duties & taxes included

In stock

Sold byAmazon SenegalDelivered 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 Senegal.

Secure transaction

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TrustScore 4.5 | 7,300+ reviews

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