What is its working temperature? will it charge well at -20°C?

The working temperature of the smart battery charger is 32°F/0°C ~ 104°F/40°C. It is also equipped with "Winter Mode Charging" that will help you boost the battery activity and get your battery charged completely in cold weather.

Is this just a battery charger and repairer or can it also keep a battery charged if leaving car for a long time?

Hello Sam, Yes, the smart battery charger will auto-charge, auto-stop charging when fully charged, and auto-restart to trickle charge to 100% full again when detecting the voltage dropping. It is also equipped with multiple protection. If you would like to leave it connected to your car battery for a long time, we would like to advise you to fully charge the battery first, then select the trickle charging rate like 2A for long-term maintenance.

I have a large truck. How long are the battery cables?

Hello J. Robertson, the total length of the battery charger's power cord is 157.48IN (4M) --- From the AC plug to the battery clips. And the maximum opening size of the battery clamps is 1.18IN (30MM).

Are the clamps large enough for full size top post batteries with fittings?

Hi Lawnman73, the battery charger is equipped with full-wrapped pure copper battery clips with 1.38-inch (35mm) openings and firmer covers.

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TowerTop 2/15/25 Amp Car Battery Charger, 6V/12V Fully Automatic Smart Battery Maintainer with Engine Start, Auto Desulfator, Battery Repair, Winter Mode, for All Lead-Acid and LiFePO4 Batteries

TowerTop 2/15/25 Amp Car Battery Charger, 6V/12V Fully Automatic Smart Battery Maintainer with Engine Start, Auto Desulfator, Battery Repair, Winter Mode, for All Lead-Acid and LiFePO4 Batteries

Product ID: 496526538

Details

Brand
TowerTop
Color
6V/12V Pro
Item Weight
5.1 pounds
Output Voltage
12 volts
Product Dimensions
6.1"D x 8.5"W

⚡25A max fast charge

🧠8-stage smart charging

❄️Winter mode boost

Description

⚡ Power Up Smart, Stay Charged Longer!

REVIVE REPAIR 🔧 - Built-in desulfation and repair modes breathe new life into old or idle batteries—save money and extend battery lifespan.
SMART SEAMLESS 🧠 - Fully automatic 8-stage charging with memory function means set it and forget it—your battery’s health optimized 24/7.
SAFE CERTIFIED 🛡️ - ETL certified with multi-layer safety protections including spark-proof, reverse polarity, and overheating safeguards.
WINTER PROOF POWER ❄️ - Special Winter Mode adds voltage for reliable charging even in freezing temps—never get stranded in the cold.
TURBO CHARGE YOUR BATTERY ⚡ - Up to 25 amps for a full charge in under 3.5 hours—cut wait time, not power.

The TowerTop 2/15/25 Amp Car Battery Charger is a versatile, fully automatic smart maintainer compatible with 6V and 12V lead-acid and LiFePO4 batteries. Featuring 8-stage intelligent charging, fast 25A max output, battery repair functions, and a Winter Mode for cold climates, it ensures efficient, safe, and reliable battery care for cars, RVs, boats, and more.

Specifications

ASIN	B0B7WLTG9K
Amperage	25 A
Battery Charge Time	3.5 hours
Best Sellers Rank	#865,243 in Automotive ( See Top 100 in Automotive ) #1,710 in Battery Chargers
Brand	TowerTop
Color	6V/12V 2A/15A/25A/Auto Pro
Compatible Devices	ATV, Boat, Car, Lawn Mower, Marine, Motorcycle, RV, SUV, Tractor, Truck
Connector Type Used on Cable	Alligator Clips
Current Rating	25 A
Customer Reviews	4.4 4.4 out of 5 stars (453)
Input Voltage	120 volts_of_alternating_current
Item Dimensions D x W x H	6.1"D x 8.5"W x 6.9"H
Item Weight	5.1 pounds
Manufacturer	TowerTop
Mfr Part Number	BC-025-CA15
Number of Items	1
Number of Ports	1
Output Voltage	12 volts
Specification Met	BC, ETL, FCC
Warranty Description	An 18-Month Warranty

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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.

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