The Best Heavy Duty Battery Charger as Reviewed by Experts: Top-picks & Best Deal for you

POWERFUL MODES: Provides 40 Amp quick boost and 200 Amp jump start, powerful enough to start cars, SUVs, and small trucks

HEAVY DUTY: Includes heavy duty transformer and rugged steel case for durability in all terrains

FULLY AUTOMATIC: Microprocessor-controlled system automatically adjusts amperage; includes LED indicator lights

SAFE & RELIABLE: Reverse hook-up protection helps prevent damage to battery and charger

EASY TRANSPORT:  Compact wheels and retractable handle make moving and storing the unit simple; 6-foot power cord and output cables for 12-foot total reach

Charges standard, AGM and Gel and deep-cycle batteries

50A boost mode quickly brings deeply discharged battery back to life

6V/12V 250A Voltage

Digital display, LED indicators and push-button controls

Microprocessor controlled to automatically adjusts amperage rate, to charge and maintain

12-foot reach, 6-gauge output cables

Heavy-duty 300A color-coded clamps

Utilizing a powerful amp engine start function, you can use this powerful charger to jump start most passenger vehicles or small truck!!!

The charger utilizes a powerful built-in microprocessor that guarantees safe & efficient operation while charging your batteries quickly & maintaining them indefinitely

Charge Your Battery without Worry, the battery charger & engine starter is ready when you are, thanks to precise charging and monitoring technology

Integrated Safety features ensure protection for you & your batteries, overcharging, preventing sparks, reverse polarity and more!

Easy to use and power to spare. Tough, durable and easy to use. Whether you're a pro or a weekend garage DIY'er, the easy to read screen and multi-functions make this the perfect choice for all of your 12 volt battery charging needs

STAY CHARGED: This ultra tough industrial charger provides a full charge to your machine's battery before switching to float mode to maintain proper voltage levels without overcharging the battery. Ultra Performance for most batteries

FULLY SELECTABLE: Compatible with AGM, flooded, gel, or lithium (LiFePO4) batteries and easily switchable between 12 volts at 5 amps or 24 volts at 2.5 amps to provide and maintain an optimal charge. 12V and 24V Selectable Charger & Maintainer

HEAVY DUTY: Made with cast aluminum casing that is shock, vibration, and weather resistant to withstand harsh environments so you can reliably charge your vehicle no matter how cruel the conditions. Weather Resistant IP67 Rating

EASY TO USE: The versatile charger and maintainer for heavy duty industrial machinery features a low maintenance design and is equipped with integrated mounting capabilities for easy installation.Integrated Mounting Capabilities

SAFE AND SECURE: Our battery charger and maintainer is spark-proof during lead connection and automatically detects reverse polarity to ensure a correct, locked-in connection before providing power. Charges & Maintains Industrial, Automotive, and Marine Batteries at Optimal Charge

The highest performance fast charger on the market

Safe in any weather operation

Fan cooling mechanism prevents overheating, enhancing units life span significantly

UL and CSA listed

Made in the USA

1, 400 cold Cranking amps in 12 volt mode

800 cold Cranking amp in 24 volt mode

Automatic 7 amp x 2 channel battery charging system

Jump Start High Displacement Vehicles, Class 8 Semi Trucks, Construction Equipment and Farm Implements.

Ships with (2) group 31 AGM batteries installed

【Heavy-Duty Jump Starter】Compact but high-performance, with current peak to 2500A and reinforced smart clamps, BR600 jump starter can reliably jump start any 12V vehicles (All Gas/8.0L Diesel engines) in seconds up to 30 times on a single charge.

【10W Wireless QC3.0 Power Pack】Combined boosted 10W Wireless Charger for your Qi-enabled devices based on 23800mAh Quick Charge 3.0 Power Pack (wide compatible & 4x faster than a conventional charger). This jump starter supports fast charging up to 3 devices simultaneously to get the optimum charge.

【Multifunctional Lifesaver】A car battery booster as well as user-friendly emergency tool extras. Practical jump starter with hardened sharp safety hammer for emergency and super bright LED flashlight (flash / strobe / SOS / warning) under different circumstances.

【Super Long Standby Time】This jump starter utilizes high-capacity polymer lithium battery with German latest chip running intelligent battery management system, precisely minimizes self-discharge even in extreme temperature (-20℃~60℃), and holds its charge up to 6 months without use.

【Intelligent Jumper Cable】Updated jump starter with patented safety technology, all-metal heavy-duty clamps with bolder cable, thickening grips and timely flashing indicator, automatically run ≥8 protections to fully protect you and batteries from any improper operations.

8-STAGES SMART CHARGING: BATTERY TEST - DESULPHATION - SOFT START - BULK - ABSORPTION - ANALYSIS - FLOAT - PULSE charging by MCU controller, Perfect for keeping your vehicles fully-charged and maintained during year-round battery maintenance or long-term storage for improve your battery life.

5-CHARGING MODE OPTIONS: 12V/Slow, 12V/Fast, 12V/Winter, 6V/Fast and 12V-Lithium(LiFePO4), multiple charging modes for battery charger, trickle charger and maintainer, suitable for charging multiple types and capacity batteries.

MULTI-PURPOSES SMART CHARGER: Perfect for charging all types of 6V and 12V lead-acid batteries, including WET, GEL, AGM, STD, Deep-cycle, Marine, and maintenance-free battery or 12V-Lithium(LiFePO4) batteries up to 160Ah. Suitable for ATVs, RV, lawn mower, boat, car, motorcycle, electric vehicle, electric tools and emergency battery charging.

MULTI-SAFETY PROTECTIONS: Desulphation repair, spark-proof technology, reverse polarity protection, short-circuit protection, overcharging protection, over temperature protection, water-resistant (IP65), bad battery identify and power down memory function. Our safe and advanced charging technology automatically monitor and maintain your battery.

EASY TO USE: Intuitive LED indicators provide visual charging state feedback and diagnostic information. Easy connection to vehicle battery using the included battery clips and O-ring terminals, with quick disconnect harness. With 2-year warranty.

MULTIPLE MODES: 40 Amp quick boost mode, 150/200 Amp engine start for heavy duty farm equipment and other vehicles

AUTO AMP ADJUST: Microprocessor-controlled to automatically adjust the amperage rate to charge and maintain

BUILT-IN TESTER: Battery and alternator tester provides charge level and helps diagnose electrical problems

AUTO VOLTAGE DETECTION: Automatically detects 6 or 12V batteries

FLOAT MODE: Float mode monitoring automatically maintains optimum battery charge

MULTIPLE MODES: Features 50 Amp quick boost and 250 Amp jump start, powerful enough to start cars, trucks, SUVs, Marine vehicles, and RV batteries

COMPATIBILITY: Charges compatible battery types, including standard, AGM, gel, and deep-cycle batteries

FULLY AUTOMATIC: Microprocessor-controlled system automatically adjusts amperage; includes LED lights

MULTI-STAGE CHARGING: Features multi-stage charging and auto-voltage detection for added precision, safety and battery life

SAFETY: Reverse hook-up protection ensures charger will not operate if clamps are reversed

EXTENDED REACH: 6-foot power cord and output cables for a 12-foot total reach