Best Heavy-duty Truck Battery Charger : Review And Buying Guide

【Quality Assurance】This is a multifunctional Quick charger that integrates lead-acid/lithium battery charger and battery maintainer. The shell is made of ABS flame-retardant material, which is fireproof, shockproof, anti-corrosion, and durable; the whole machine has passed strict testing and obtained many certifications such as CE/FCC/RoHS.

【Smart Charging】FOXWER Multifunctional Battery Charger can automatically detect 12V or 24V voltage and automatically adjust the charging current. Safe and effective charging through smart 7-stage charging mode.( 1-stage:Battery desulphation;2-stage:Soft start charging;3-stage:Bulk charging;4-stage:Absorption charging;5-stage:Battery test;6-stage:Recondition charging;7-stage:Float&maintenance charging.)

【Multi-type Battery Charging】Suitable for most 12V and 24V battery types, including SLA, WET, MF, FLOODED, GEL, VRLA, AGM, EFB, Lithium and LiFePO4 batteries, which means it can be used in cars, trucks, motorcycles, golf carts, Lawn mowers, boats, RVs, SUVs, ATVs, etc.

【Safe Charging】BMS battery management system,Intelligent CPU control, automatic monitoring and display of current, voltage, temperature, remaining battery capacity, etc.; Built-in circuit protection function to prevent reverse polarity, sparks, overcharge, overcurrent, open circuit, short circuit and overheating.

【Battery repair charging】FOXWER 12-Amp Quick Charger can not only achieve quick charging, but also repair and maintain the battery.Intelligent pulse repair mode, one-key repair activates the battery, automatically detects the battery sulfate and acid stratification, restores the lost battery performance, makes the engine start more powerful, and prolongs the battery life. (Note: it cannot activate a faulty battery or repair a severely damaged battery).

【Precise charging】FOXWER Smart Battery Charger can automatically switch between summer and winter modes. The integrated smart sensor can detect the ambient temperature and change the charging capacity to eliminate overcharging in hot climates and insufficient charging in cold climates.

Powerful And Reliable Car Battery Jump Starter - With a 4000A peak current, it can start all gasoline engines and diesel engines up to 10.0L in just a few minutes. This includes cars, motorcycles, RVs, tractors, trucks, cargo vans, ATVs, snowmobiles, yachts and many more.

Emergency Life Saver – The GOOLOO GP4000 portable car battery jump starter can jump start vehicles in a matter of seconds so that you aren’t stranded and unsafe for longer than needed. A full charge can boost most vehicles over 60 times!

High Capacity Portable Charger - GOOLOO Car Starter GP4000 is equipped with dual USB charge ports (one compatible with fast charging). It can be taken anywhere and quickly charge numerous portable devices, such as smartphones, tablets, cameras, GPS, camcorders, Bluetooth headphones and more.

Type C Input and Output - Supports USB type-C charging (5V/3A). You can use it to charge your other devices or charge the jump starter itself

Super Security & Ruggedness - The GP4000 Smart Jumper Cable are constructed with all-metal clamps to prevent breakage caused by long-term use. And it has 10 protections, including overcurrent protection, overload protection, overvoltage protection and overcharge protection, making it totally safe for anyone to use

Rugged 12V Car Jump Starter - The hardened plastic and rubber corners make sure the starter can withstand drops without any problem. A built-in flashlight can assist you in vehicle emergencies at night

What You Get - GOOLOO Heavy-Duty Jump Starter GP4000, 12V Battery Clamp, USB A Wall Charger, USB-C Cable, Storage Case, User Manual

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

MULTIPLE MODES: Features 30 Amp quick boost and 100 Amp jumpstart, powerful enough to start SUVs, trucks, and large batteries

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

EASE OF USE: Battery and alternator tester provides charge level and helps diagnose electrical problems automatically; multi-stage charging and auto-voltage detection. Battery Type: Standard, AGM, Gel, Deep-Cycle

SAFE AND RELIABLE: Reverse hook-up protection ensures charger will not operate if clamps are reversed

Unbeatable Power - Designed for heavy duty, it delivers 4500 Amp + to ensure the successful jump start of your 12V vehicles even in cold winter! 10.0L+ gas & diesel engines. Boost start a dead car battery with only one simple press.

Safety & Heavy Duty – With simple-to-use mistake proof connection protecting the user, vehicle and jump starter battery. Professional-grade copper clamps are 1/2 larger, 100% copper cables designed for heavy duty.

Built-in 12V Outlet - With the built-in 12V 10A socket, it works as a compact portable 12V DC power pack for your automotive products. No extra cable needed!

Micro & QC3.0 USB ports - 75% faster when charging smartphones or tablets; and save 1/2 time for the recharge.

12-month warranty, 30-day money back and 24/7 friendly customer service.

RELIABLE POWER: 40 Amp quick boost mode and 200 Amp engine start for cars, trucks, SUVs, marine vehicles, and RVs; compatible with standard and AGM batteries

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 feature identifies 6V or 12V batteries

FLOAT MODE: Float mode monitoring automatically maintains optimum battery charge

SAFE AND RELIABLE: Reverse hook-up protection helps prevent damage to battery

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

Unbeatable Power - AUTOGEN MJS111 is designed for heavy duty, it delivers 3000 Amp + to ensure the successful jump start of your 12V vehicles even in cold winter! Up to 10.0L gas & diesel engines. Boost start a dead car battery with only one simple press.

Safety First - Thanks to its large capacity battery, and patented mistake proof connection, the battery holds a charge longer and is less to be drained out or damaged. Professional-grade copper clamps are 1/2 larger, 100% copper cables all designed for high power output delivery in no time.

Built-in 12V DC Outlet - It works as a compact portable 12V DC power bank, battery charger for your automotive products. No extra cable needed

Quick Charge 3.0 & Micro USB ports - 75% faster when charging smartphones or tablets; and save 1/2 time for the recharge

The highest performance fleet charger on the market

Safe in any weather operation. 500 amp fully insulated flexi-spring clamps. Automatic timer

Fan cooling mechanism prevents overheating, enhancing units life span significantly

CSA listed.Rated up to 80 Amp continuous charge with 400

Made in the USA

MFR boost rating : 725Amphere

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

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

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

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

RELIABLE POWER: 60 Amp quick boost mode, 6 Amp maintain, and 200 Amp/300 Amp engine start for SUV, truck, and other large vehicle batteries; compatible with standard, AGM, gel, and deep-cycle batteries

AUTO AMP ADJUST: Microprocessor-controlled to automatically adjust the amperage rate to charge and maintain; multi-stage charging for precision, safety, and battery life

VOLTAGE DETECTION: Automatic voltage detection feature identifies 6V or 12V batteries

OVERSIZED WHEELS: Rugged all-terrain wheels for easy transport

SAFE AND RELIABLE: Reverse hook-up protection helps prevent damage to battery

12 ft. Total Reach – 6 ft. power cord and 6 ft. front-mounted output cables

Solid State Circuitry – with silicon diodes for optimum performance

135 Minute Timer – for precision control over the charging process

Easy-to-Read Meter – shows charging levels

6-gauge Output Cables – stay flexible In cold weather

RELIABLE POWER: 20 Amp or 40 Amp quick boost mode and 250 Amp/12V and 125 Amp/24V engine start for cars, trucks, SUVs, marine vehicles, and RVs; compatible with standard, AGM, gel cell, start/stop, and deep-cycle batteries

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

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

DIGITAL DISPLAY: Scrolling message function with step-by-step instructions and animated display for easy operation

SAFE AND RELIABLE: Reverse hook-up protection helps prevent damage to battery

Fully Charge All Batteries - PZP fast 12 volt and 24 volt battery charger can flexibly set the charging voltage between 12V-30V, which can perfectly match all types of lead-acid batteries to 100% full charge, including flooded, AGM, Gel and deep cycle.

Multi-Current Battery Charger - The WD-315 can be a low amps trickle charger to 15 amp rapid battery charger. Boost charge 5-10 minutes can start the engine. Compatible with 3-500Ah vehicle batteries: car, truck, boat, RV, motorcycle, lawn tractor, lawnmover, ATV...

Automatic Battery Maintainer - Automatically adjust the charging voltage and current during 7-stage charging. Automatically maintain the battery at 100% status after fully charged without overcharging - even you forget to turn it off all winter.

Charge Dead Batteries - The PZP 12v/24v automotive battery charger can charge dead batteries back to life. Automatically restore old, drained, lost performance batteries, and maximize battery life. (Can not charge batteries below 3V.)

Monitor Volts & Amps - LED digital displays dynamic voltages and currents during charging and voltage test. Visible real-time charging current makes it more accurate and faster than other LCD smart chargers.

Easy to Operate - Hard to use a manual battery charger? No, only 4 steps you can play it well! And its custom voltages and currents can satisfy all your needs of functions and applications!

Safety and Protections - No worry of damaging your battery. The red light will remind you of charging errors, microprocessor-controlled system will protect your battery and PZP smart battery charger.