10 Best Agm Battery Charger of August 2025

• Automatically maximizes battery life and performance with a built-in battery health mode
• Hybrid LED battery charging gauge with LCD display
• Dual purpose hook and tilt stand design or hang it with the included wall organizer bracket
• Works well as a marine battery charger, motorcycle battery charger, or other AGM battery charger.
• Spark-free connection technology
• Automatically maximizes battery life and performance with a built-in battery health mode
• Recovers discharged batteries other chargers cannot, down to 1.25V

Optima

• Features 30A quick boost and 100A jump start, powerful enough to start SUVs, trucks and large batteries
• Battery and alternator tester provides charge level and helps diagnose electrical problems
• Features multi-stage charging and auto-voltage detection for added precision, safety and battery life. UL Safety Certifications
• Reverse hook-up protection ensures charger will not operate if clamps are reversed
• Charges compatible battery types, including standard, AGM, gel and deep-cycle batteries

Schumacher

• Meet the GENIUS10 - Similar to our G7200, just better. It's 17% smaller and delivers 115% more power. It's the all-in-one solution - battery charger, battery maintainer, trickle charger, plus battery desulfator.
• Do more with Genius - Designed for 6-volt and 12-volt lead-acid automotive, marine, and deep-cycle batteries, including flooded, gel, AGM, and maintenance-free, plus lithium-ion batteries.
• Enjoy precision charging - An integrated thermal sensor detects the ambient temperature and alters the charge to eliminate over-charging in hot climates and under-charging in cold climates.
• Charge dead batteries - Charges batteries as low as 1-volt. Or use the all-new Force Mode that allows you to take control and manually begin charging dead batteries down to zero volts.
• Restore your battery - Automatically detects battery sulfation and acid stratification to restore lost battery performance for stronger engine starts and extended battery life.
• Beyond maintenance - It's not just a trickle charger, it's an advanced battery maintainer. A fully-automatic, worry-free battery charger for everyday use - 24/7 - with zero overcharge.
• Compatible with all types of vehicles - Charge and maintain cars, motorcycles, lawnmowers, ATVs, tractors, trucks, SUVs, boats, classic cars, hot rods, and more - you name it.

NOCO

• Features 15A to charge and 3A to maintain your battery
• Auto voltage detection automatically detects 6 or 12V batteries
• Automatically selects charge rate for charging and maintaining
• Reverse hook-up protection ensures charger will not operate if clamps are reversed
• Charges compatible battery types, including standard, AGM, gel and deep-cycle batteries

Schumacher

• Meet the GENIUS1 - Similar to our G750, just better. It's 35% smaller and delivers 35% more power. It's the all-in-one solution - battery charger, battery maintainer, trickle charger, plus battery desulfator.
• Do more with Genius - Designed for 6-volt and 12-volt lead-acid automotive, marine, and deep-cycle batteries, including flooded, gel, AGM, and maintenance-free, plus lithium-ion batteries.
• Enjoy precision charging - An integrated thermal sensor detects the ambient temperature and alters the charge to eliminate over-charging in hot climates and under-charging in cold climates.
• Charge dead batteries - Charges batteries as low as 1-volt. Or use the all-new Force Mode that allows you to take control and manually begin charging dead batteries down to zero volts.
• Restore your battery - Automatically detects battery sulfation and acid stratification to restore lost battery performance for stronger engine starts and extended battery life.
• Beyond maintenance - It's not just a trickle charger, it's an advanced battery maintainer. A fully-automatic, worry-free battery charger for everyday use - 24/7 - with zero overcharge.
• Compatible with all types of vehicles - Charge and maintain cars, motorcycles, lawnmowers, ATVs, tractors, trucks, SUVs, boats, classic cars, hot rods, and more - you name it.

NOCO

• Fast, Smart Battery Charger: The Battery Charger can charge all types of 12V Lead-acid Batteries, including GEL, AGM and STD. It is perfect for charging Automotive, Motorcycle, Marine, RV, PowerSport, Lawn & Garden, etc. Do not charge a frozen or dead battery that has gone below 3V.
• 7-Step Charging Program: Desulphation, Soft Start, Bulk Charge, Absorption, Battery Test, Recondition and Floating. This allows for optimization of battery power, without overcharging or damaging.
• Advanced Start Aid: Engine Start Aid feature can help start your vehicle in about 120 seconds.
• Auto Detect Systems: Features Battery Voltage detection, then automatically selects charge rate for charging and maintaining. Battery reconditioning feature helps extend battery life. LCD screen displays charging status and battery status with easy to understand icons.
• Safety Protection: Battery Charger has Over Voltage, Over Heat, Overtime Charging, Short Circuit, and Reverse Polarity Protection to ensure users safety.

TowerTop

• The most versatile all-in-one battery charger any vehicle owner would need to quickly recharge its battery in hours, including cars, boats, trucks, RVs, tractors and much more up to 120 amp-hours.
• Perfect for keeping your vehicles fully-charged and maintained during year-round battery maintenance or long-term storage for improved performance and longevity.
• Works with all types of 6-volt and 12-volt lead-acid batteries, including Wet, Gel, and AGM, or any common automotive, deep-cycle, marine, or maintenance-free battery.
• Keep your battery fully charged without worry or overcharge. Simply plug-in and let our advanced charging technology automatically monitor and maintain your battery.
• Use our advanced Repair Mode to reverse the damaging effects when batteries are left uncharged for extended periods to improve battery performance and longevity.
• An optimized charge mode for safely charging and maintaining 12-volt lithium-ion batteries, and recommended with use on lithium batteries with an internal BMS.
• One of the most advanced and safest battery chargers, including spark-proof technology, and reverse polarity protection, plus backed by our 5-year and endless accessories.

NOCO

• Fit Type: Universal Fit
• Included Components: 1 Charger, Clamps, Eyelets
• Includes two interchangeable connection leads, one with clamps, and one with eyelet terminals
• Eight step, automatic switch charging and four separate charge modes that together allow for easy, convenient, no-watch battery charging
• Charges 12-volt lead-acid batteries (Wet, MF, Gel, AGM and Ca) from 14Ah to 150Ah (charging) or 14Ah to 225Ah (maintenance)
• Maintenance pulse charging increases battery life and gives superb performance, and patented desulphation functionality allows for the recovery of slightly sulphated batteries
• Compact design with mounting holes allows for permanent assembly, making this charger ideal for virtually any vehicle batteries up to 150Ah

CTEK

• Dependable and safe to use; In an emergency, the 75-amp engine start helps jump start your vehicle in about 90 seconds
• Successfully maintains the battery on any AGM, GEL, or WET automotive or marine 12V battery with the push of a button
• High-frequency smart charging technology keeps battery at an optimal charge and automatically switches from fast charge, to top-off, to trickle charge
• Allows you to monitor and charge your battery in the quickest and safest way possible; Provides extended longevity
• Front of battery charger features four different options; LCD screen displays battery status with understandable icons
• Fit Type: Universal

STANLEY

• 12v or 6v Switchable at 4A
• Reverse Hook-up protection
• LED Indicator
• It Will Never Over Charge Your Battery
• Lithium and lead acid

Battery Tender