10 Best Deep Cycle Battery Chargers

After analyzing 332 products, scanning 3300 reviews, spending more than 36 hours of research and speaking with our test users, we think the Schumacher SC1280 6/12V Rapid Battery Charger and 15A Maintainer is the one of the Best Deep Cycle Battery Charger on the market.

# Image Name Brand Price
1
⭐Best Choice
Schumacher SC1280 6/12V Rapid Battery Charger and 15A Maintainer
Schumacher SC1280 6/12V Rapid Battery Charger and 15A Maintainer Check price Schumacher $$$$$ Check price
2
💲Best value for the money
BMK 12V 5A Smart Battery Charger Portable Battery Maintainer with
BMK 12V 5A Smart Battery Charger Portable Battery Maintainer with Detachable Alligator Rings Clips Fast Charging Waterproof Trickle Charger for Car Boat Lawn Mower Marine Sealed Lead Acid Battery Check price BMK BLUEMICKEY $$$$$ Check price
3 Ampeak 2/8/15A 12V Smart Battery Charger/Maintainer Automatic with Winter Mode Ampeak 2/8/15A 12V Smart Battery Charger/Maintainer Automatic with Winter Mode Check price Ampeak $$$$$ Check price
4
Best under $50
LST 12V 5A Automatic Battery Charger Maintainer Smart Deep Cycle
LST 12V 5A Automatic Battery Charger Maintainer Smart Deep Cycle Battery Trickle Charger for Automotive Car Boat Motorcycle Lawn Mower Marine RV SLA ATV AGM GEL CELL WET& FLOODED Lead Acid Battery Check price LEICESTERCN $$$$$ Check price
5 Schumacher SC1281 6/12V Fully Automatic Battery Charger and 30/100A Engine Schumacher SC1281 6/12V Fully Automatic Battery Charger and 30/100A Engine Starter with Advanced Diagnostic Testing Check price Schumacher $$$$$ Check price
6 Battery Tender Plus 021-0128 Battery Tender Plus 021-0128, 1.25 Amp Battery Charger is a Smart Charger, it will Fully Charge and Maintain a Battery at Proper Storage Voltage without the Damaging Effects Caused by Trickle Chargers Check price Battery Tender $$$$$ Check price
7
👑Premium Pick
2/8/15A 12V Fully Automatic Smart Battery Charger/Maintainer with Cable Clamps
2/8/15A 12V Fully Automatic Smart Battery Charger/Maintainer with Cable Clamps, Winter Mode Check price TowerTop $$$$$ Check price
8 NOCO Genius G3500 6V/12V 3.5 Amp Battery Charger and Maintainer NOCO Genius G3500 6V/12V 3.5 Amp Battery Charger and Maintainer Check price NOCO $$$$$ Check price
9 5 Amp 12V Automotive Smart Battery Charger/Maintainer for Car 5 Amp 12V Automotive Smart Battery Charger/Maintainer for Car, Motorcycle, Lawn Mower, Boat, RV, SUV, ATV and More Check price MEEARO $$$$$ Check price
10 ADPOW 5A 12V Automatic Smart Battery Charger Automotive Maintainer 7-Stages ADPOW 5A 12V Automatic Smart Battery Charger Automotive Maintainer 7-Stages Trickle Charger for Deep Cycle Battery Car Marine Trolling Motor Boat Truck Lawn Mower RV AGM with Terminal Cleaning Brush Check price ADPOW $$$$$ Check price

Schumacher SC1280 6/12V Rapid Battery Charger and 15A Maintainer – Best Overall Deep Cycle Battery Charger

Schumacher SC1280 6/12V Rapid Battery Charger and 15A Maintainer
  • 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

BMK 12V 5A Smart Battery Charger Portable Battery Maintainer with – Best Budget Deep Cycle Battery Charger

BMK 12V 5A Smart Battery Charger Portable Battery Maintainer with
  • 【UPGRADED DEFECTIVE BATTERY DETECT/FAST CHARGING CAR BATTERY BOOSTER】Updated with battery condition diagnose to detect the defective battery before charge. DC Output 13.8V/5A, AC Input 100-240V, 1.5A 60/50Hz; With 5A DC output current, BMK 12V 5A car battery charger is suitable for charging batteries with 15-100Ah. NOTE: To better tender the battery, please make sure the battery capacity is higher than 15Ah, it can also charge over 100Ah batteries, just more charging time.
  • 【UPGRADED 72-HOUR SAFETY FEATURES/MULTI SAFETY PROTECTIONS - BATTERY RESCUE & RECOVER】Updated with 72 hours safety feature to commence anytime the charger is onto protect marginal batteries from over charging. Made of high quality ABS, IP65 Waterproof, multi-protects of Short Circuit/ OV/ OC/ Overload/ Polarity Reverse, featured with Constant Pulse Current Maintenance function to avoid overcharge and discharge; Full-loaded and burn-in test prove its high reliable efficiency, stable performance
  • 【4-STAGE SMART CHARGING - FULLY AUTOMATIC BOAT BATTERY CHARGER】 12V battery charger operated with 4 stages automatic charging process by MCU controller, 25%/50%/75%/100% to indicate quantity of electricity and monitor the whole charging progress. Stop automatically when the battery is fully charged. LED indicator designed to display different charging status of the 12v smart charger
  • 【MULTI-PURPOSES DEEP CYCLE BATTERY CHARGER】Pb/SLA/VRLA/GEL/AGM lead acid battery charger tender, operated with vulcanization function, BMK battery maintainer charger is a great choice for lawn mower, boat, car, motorcycle, electric vehicle, electric tools and emergency battery charging, lightweight(15.87oz) allows you take it to anywhere, used as Trickle Battery Charger as well
  • 【BMK 100% MONEY-BACK GUARANTEE】BMK boat battery trickle charger offers lifetime quality warranty, considerate and timely after-sale services, eliminating all your worries about getting this trolling motor battery charger. Just get your Automotive Car Battery Charger Maintainer with confidence

Ampeak 2/8/15A 12V Smart Battery Charger/Maintainer Automatic with Winter Mode

Ampeak 2/8/15A 12V Smart Battery Charger/Maintainer Automatic with Winter Mode
  • ✔ Smart Fast Charger: 2A / 8A / 15A / Auto charging rate, fully automatic high frequency charging for all types of 12V lead acid batteries, including GEL, AGM and STD. Not only do you choose the charging rate manually, but also the optimal function can automatically select the charge rate best fit for your type of battery (Do not charge a frozen or dead battery!)
  • ✔ Excellent Winter Charging Mode: Specialized design for charging battery in winter weather conditions to sustain a longer life of battery and to ensure perfect charging
  • ✔ Safety Protection: Microprocessor-controlled, with multi-stage charging for added precision, safety, and battery life. No worry about battery Over Voltage, Over Heat, Overtime Charging, Short Circuit and Reverse Polarity
  • ✔ Advanced LCD Display: Intuitive words and vivid icon, easily keeping track of charging status, charging current, voltage, battery type, and error information
  • ✔ Complete 6-step Charging Program: Desulphation, Soft Start, Bulk Charge, Absorption, Battery Test and Floating, allow for optimization of battery power, without overcharging or damaging. Household Use Only.

LST 12V 5A Automatic Battery Charger Maintainer Smart Deep Cycle – Best under $50

LST 12V 5A Automatic Battery Charger Maintainer Smart Deep Cycle
  • √ Wide Application - Charge fully drained 12V Pb/SLA/GEL/AGM/VRLA/sealed lead-acid batteries and WET/FLOODED for maintenance, it's smart battery charger for boat, trolling motor, car, automotive, motorcycle, automobile, lawn mower, lawn tractor, camper, watercraft, powers-port, electric vehicle, back-up generator, etc.
  • √ Multi-Protection - LST trickle battery charger ensure ultimate safety protect against Reverse Polarity, Short Circuit, Over Voltage/Current, Over Charge/Discharge, Overload, Overheat; Spark proof during lead connection; Water and dust resistant battery tender charger, full-loaded and burn-in teon: Charge fully drained 12V Pb/SLA/GEL/AGM/VRLA/sealed lead-acid batteries and WET/FLOODED for maintenance, including lawn mower, boat, car, electric vehicle, electric tools, ride-on toys.
  • √ 7-Stage Automatic Charging - [Desulfation - Soft Start - Bulk Charge - Absorption - Test - Recondition - Float], charge and maintain your battery wherever you go; LST motorcycle battery charger monitor the whole charging process, automatically switches to float mode after fully charging the battery by MCU controlled; LST battery trickle charger will recover batteries more effectively and extend the battery life.
  • √ Intuitive LED Indicator - 12V 5A deep cycle battery charger provide visual feedback of battery capacity and diagnostic information accordingly, efficiently prolong the lifetime of the battery. Input 100-240V, ultra-compact, portable and lightweight with the mounting holes, easy to carry the boat battery maintenance charger everywhere.
  • √ 100% Satisfactory Trickle Charger - 12 volt battery maintainer charger features with detachable alligator, ring adapters and an extra SAE extension cord; LST automotive car battery charger maintainer offer lifetime quality warranty & 12-month refund & timely 24/7 after-sale services, just get lst motorcycle tender charger with confidence.

Schumacher SC1281 6/12V Fully Automatic Battery Charger and 30/100A Engine

Schumacher SC1281 6/12V Fully Automatic Battery Charger and 30/100A Engine
  • 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

Battery Tender Plus 021-0128

Battery Tender Plus 021-0128
  • Fully automatic: The Battery Tender plus is a 1.25A battery charger designed to fully charge a battery and maintain It at proper storage voltage without the damaging effects caused by trickle chargers
  • Fast and efficient: This 1.25-Amp charger will charge as fast or faster than any 3-amp charger available
  • Convenient: Included is a quick connect harness for hard to reach areas. Ac power cord length is 6 feet - 18AWG, DC output cord length 4.5 feet - 18AWG, DC accessory length 1.5 feet - 18 AWG
  • Safe: reverse polarity protection to ensure user safety, red and green lights alternately flash in this condition
  • Included: The package includes Battery Tender ring terminals and alligator clips
  • Battery Tender Plus 12V - 1.25 Amp, Automatically switches from full charge to float charging mode
  • The Battery Tender Plus is a 1.25-amp battery charger designed to fully charge a battery and maintain it at proper storage voltage without the damaging effects caused by trickle chargers
  • Included is a quick connect harness for hard to reach areas
  • Temperature compensated to ensure optimum charge voltage according to ambient temperature
  • Battery Tender at 1.25-amp will charge as fast or faster than any 3-amp charger available, Reverse Polarity Protection to ensure user safety Red and Green Lights Alternately Flash in this condition

2/8/15A 12V Fully Automatic Smart Battery Charger/Maintainer with Cable Clamps – Premium Pick

2/8/15A 12V Fully Automatic Smart Battery Charger/Maintainer with Cable Clamps
  • 【Versatility & Efficient】 2A/8A/15A/Auto charging rate, fully automatic high frequency charging for all types of 12V lead acid batteries, including GEL, AGM and STD. Automatically selects charge rate for charging and maintaining. Do not charge a frozen or dead battery.
  • 【Complete 7-step Charging Program】Desulphation, Soft Start, Bulk Charge, Absorption, Battery Test, Recondition and Floating, allow for optimization of battery power, without overcharging or damaging.
  • 【Multi-Protection】 Microprocessor-controlled, with multi-stage charging for added precision, safety and battery life. Including Over Voltage, Over Heat, Overtime Charging, Short Circuit and Reverse Polarity.
  • 【LCD Screen Display】The battery charger equipped with advanced LCD Display. LCD screen displays charging status, charging current, voltage, battery type and error information with easy to understand icons.
  • 【Advanced Winter Charging Mode】Specialized design for charging battery in winter weather conditions to sustain a longer life of battery and to ensure perfect charging.

NOCO Genius G3500 6V/12V 3.5 Amp Battery Charger and Maintainer

NOCO Genius G3500 6V/12V 3.5 Amp Battery Charger and Maintainer
  • 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 warranty and endless accessories.

5 Amp 12V Automotive Smart Battery Charger/Maintainer for Car

5 Amp 12V Automotive Smart Battery Charger/Maintainer for Car
  • 5 amp battery charger maintains and charges all type of AGM, GEL, SLA, Flooded(WET), Calcium type deep cycle automotive or marine 4Ah-100Ah 12V battery.
  • Fully automatic high frequency charging delivers 3 stage charging, automatically switching from fast charge, to top-off, then to trickle charge.
  • Built in circuit protection guards against against reverse polarity, sparks, overcharging, over-current, open-circuits, short-circuits and overheating.
  • LCD screen displays charging status and battery status; charge voltage, charge current, inside temperature, battery full,summer mode, winter mode, etc.
  • Pulse repair function can help to repair your loss battery and extend battery life. Note: It can not activate a dead battery or repair a battery which is damaged seriously; it also can not repair a battery back to 100% new.

ADPOW 5A 12V Automatic Smart Battery Charger Automotive Maintainer 7-Stages

ADPOW 5A 12V Automatic Smart Battery Charger Automotive Maintainer 7-Stages
  • Intelligent Charging Mode: 7-stages automatic charging process [ Desulfation - SoftStart - BulkCharge - Absorbtion - TestMode - Recondition - Float] by MCU controller, the LED indicator provide visual feedback of battery capacity and diagnostic information accordingly, efficiently prolong the lifetime of the battery.
  • Wide Application: Charge fully drained 12V Pb/SLA/GEL/AGM/VRLA/sealed lead-acid batteries and WET/FLOODED for maintenance, including lawn mower, boat, car, electric vehicle, electric tools, ride-on toys.
  • Multi-Protection: Ensure ultimate safety protect against Short circuit/OVP/OCP/Overload/Polarity reversed,etc, full-loaded & burn-in test proved to be high efficiency and longevity.
  • Customized Design: Ultra-compact, portable and lightweight with the mounting holes, non-slipping and easy to carry; Water and dust resistant make it more safe to use in any situations.
  • What you Get: Come with smart battery charger with DC Adapters, with lifetime quality warranty & 30 days refund & timely after-sale service solve all your problems.

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