9 Best
40 Amp Battery Chargers
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Product Highlights- ✔【high efficiency charging】constant current 50a, constant voltage 14.6v, very suitable for charging large-capacity lifepo4 batteries or lithium batteries. a 12v100ah battery is fully charged in just 2 hours, while a 10-amp multi-function charger takes 10 hours to fully charge a 100ah battery. enough current. current 0-50a adjustable
- ✔【easy operation, indicator light is visible】connect the + and - alligator clips of the charger (other interfaces can be customized) to the battery, as + to +, - to -. then plug the input cable into the charger and connect the input power. intuitive led indicators provide intuitive charge status feedback and diagnostic information. a fool's errand. easy to use!
- ✔【after-sales consultation】 if you have any questions, please leave me a message. we will reply within 24 hours. thanks for coming! capacity.li charger 12v power supply lithium battery fast battery charger (without battery)
- ✔【designed for li-ion battery】capacity.li 14.6v 50a lifepo4 lithium battery smart charger is specially designed for 12.8v lifepo4 battery, with fixed voltage, adjustable current, and adjustable range of 0-50a.
- ✔【multiple protections】capacity.li 12v 50a lithium battery charger has multiple protections, 50a charger has over temperature/overvoltage/short circuit/overcurrent/low voltage protection to prevent damage from misuse.
- ✔【high quality material】our lithium battery charger is made of aluminum alloy, with surface oxidation treatment, high hardness, anti-drop and moisture-proof, anti-oxidation, built-in cooling fan, keep the charger itself cool. cooling protects your charger and battery. charging is safe. intelligent circuit chip, improve charging conversion rate, stabilize discharge volta...
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Product Highlights
- 【4 protection functions & reliability 】adopt the advanced circuit design and strict production process according to is09001:2008 quality management system, which provides multi-protection from over-temperature, output short-circuit, output over-voltage and reverse polarity connection. besides that, it makes the power queen lifepo4 battery charger to become a reliable an...
- 【intuitive charging status display & 4 steps easy operation】 with intuitive led indicator enables displaying the real value of the battery voltage, charging current, and output capacity while charging. included detachable wire lugs with ring terminals to make it easy and safe to connect with the battery. simply install the lug on the battery, it will auto-start to charg...
- 【5hrs fast charge for larger capacity lifepo4 battery】power queen 14.6v 40amp lifepo4 battery charger is rated at 40 amp large output current, and adopts the 2-stage constant current/constant voltage (cc/cv) charge technology, it can extend the battery lifetime to a large extent. our charger enables automatically to fully charge a 200ah lithium battery in around 5hrs, w...
- 【40v charging mode for dead battery】power queen 14.6v 40amp lithium battery charger has an exclusive pre-charge mode which can reset or "wake up" the battery protected by bms. simply connect the charger to the battery to initiate a restart which can charge the battery from 0v it can enlarger the battery lifespan.
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Product Highlights
- Alternator check - tests the vehicle's alternator to indicate if it is operating properly
- Portable - lightweight rollable design with telescoping handle
- Versatile battery charger and maintainer - battery charger and maintainer features 200 amp engine start, 40 amps of charging and 3 amp maintainer
- Extend battery life - electric pulse technology can help reverse sulfate build up on battery plates to improve charge capacity
- Simple operation - easy to read lcd screen gives you a clear view of operation information and includes a countdown charging timer
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Product Highlights
- ✔【high efficiency charging】constant current 60a, constant voltage about 14.6v/12.6v, very suitable for large capacity lifepo4 battery or lithium battery charging. a 12v100ah battery is fully charged in just 2 hours, while a 10-amp multi-function charger takes 10 hours to fully charge a 100ah battery. enough current. the current is adjustable from 0-60a. it is recommen...
- ✔【easy operation, indicator light is visible】connect the + and - alligator clips of the charger (other interfaces can be customized) to the battery, as + to +, - to -. then plug the input cable into the charger and connect the input power. intuitive led indicators provide intuitive charge status feedback and diagnostic information. see notes below.
- ✔【special instructions for the 60a charger】: first plug the charger into the power supply-----look at the voltage---adjust the voltage-----then connect the load-----and then adjust the current. step1: do not connect the battery to the charger, turn on the power first, adjust the voltage knob to adjust the voltage, refer to the voltage display at the top of the display, ...
- ✔【charging】: during the charging process, the voltage of the display screen will drop, which is a normal phenomenon. do not adjust the voltage of the charger while charging. in order to charge the battery with constant voltage, it is normal for the voltage of the charger itself to fluctuate. adjust the voltage and current for the first time. no further adjustment is req...
- ✔【designed for lithium-ion batteries】capacity. li 12.6v 14.6v 60a lifepo4 lithium battery smart charger is specially designed for 12.8v lifepo4 battery or 12.6v li-ion battery, the voltage is adjustable, the range is 0-15v adjustable. do not use the charger on a metal surface platform. buyers have any questions please email me. we will help you solve it as soon as possi...
- ✔【multiple protection】capacity. li 12v 60a fast car lithium battery charger has multiple protections, and the 60a charger has over temperature/overvoltage/short circuit/overcurrent/low voltage protection to prevent damage from misoperation. (!!!note: the fan will automatically stop running for a few minutes after a power outage.)
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Product Highlights
- Unparalleled compatibility & efficiency: our charger is designed to seamlessly work with a wide range of battery types, including agm, gel, calcium, lead acid, and lifepo4 batteries. it harnesses the power of dc input before solar charging, ensuring a stable and consistent energy source. with smart alternator compatibility and mppt controller inside, it is engineered to...
- Unbeatable protection and dependability: we understand the demanding conditions you encounter, which is why our dc to dc charger prioritizes safety above all else. engineered with comprehensive protection features, including reverse polarity, overvoltage, over-temperature, charge timeout, and lithium battery bms safeguards, this in-vehicle dc to dc battery charger ensur...
- Dc charging priorty: this dc-dc battery charger is set with dc priority. when both solar panels and dc meet the startup conditions, the vehicle battery input would be selected priorly. even when the solar panel input is already in the charging process, the controller will still detect in real-time whether the dc input meets the charging conditions. once the dc input is ...
- Reverse charging ready: take command of your off-road escapades with our dc to dc battery charger. our dc to dc battery charger is a versatile creation, allowing you to charge in both directions. simply activate the reverse charge button to effortlessly revive a flat start battery using your auxiliary battery. keep your starter battery fully charged and ready for thrill...
- Extend battery lifespan to the max: embrace our advanced dc to dc charger with an intelligent 3-stage charging process that optimizes efficiency and maximizes the lifespan of your batteries. this ensures they remain in top condition for extended periods. moreover, our charger features an intelligent lion mode that automatically activates your sleeping lifepo4 battery, e...
- Easy operation at your fingertips: enjoy hassle-free operation with our intuitive "select" button, enabling easy switching between batteries. perfect for 4wds, caravans, rvs, trucks, campers, trailers, campervans, commercial vehicles, and boats. equipped with anderson-style plugs, it seamlessly integrates into your power setup. rest assured with our 1-year warranty, a t...
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Product Highlights
- Settings for two and three-stage charging and settings for flooded, gel, agm, or lead-calcium batteries
- Power factor corrected for efficient charging and temperature-compensated charging
- Included components: item and manual
- Microprocessor-controlled, multistage charging algorithms
- Auto-ranging universal input voltage (90-265 vac, 47-63 hz) is also compatible with a generator or other low-quality power sources
- Ability to charge 'dead' batteries and has a battery-equalization feature
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Product Highlights
- 【smart 3-stage charging】 the dc-dc battery charger will charge your house batteries from the starter battery by 3-stage charging (bulk, boost, and float), to make sure it optimally and automatically charge to 100%.
- 【protect your starter battery】the dc-dc battery charger is capable of identifying whether the generator is started, to prevent over-discharge of the starting battery and protect the generator.
- 【compatible multiple battery types】 compatible with a multitude of alternator types, the dc-dc battery charger offers correct charging for agm, flooded, gel, and lithium batteries.
- 【various protections for ultra safety】 offers over-voltage protection, over-temperature protection, and reverse polarity protection to ensure the operation safety. it also isolates the input and output to prevent voltage transmission errors and interfere with house battery charging.
- 【reliable quality】the compact and robust design makes it suitable for all conditions. ce certification.
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Product Highlights
- 【smart mppt charging】with built-in maximum power point tracking (mppt), the dc-dc car charger will achieve high charging efficiency from solar panels at a suitable voltage. the mppt solar energy intelligent control management system has a charging memory function that can record according to the user's charging habits.
- 【complete protection measures】it has multiple protection functions, including engine start battery low voltage protection, input and output reverse polarity protection, solar input overload protection, overcharge protection, short circuit protection, and over temperature protection.
- 【dc to dc charger function】flexibly provide two charging methods for service batteries. one is by connecting the starter battery of a car's alternator, and the other is by connecting solar panels to charge home batteries. provide proper charging for agm/gel, lead acid, lithium and calcium batteries.
- 【one-way charging】the addition of primary and secondary battery isolation achieves greater safety performance. in order to prevent the loss of power from the life battery, we have added one-way charging to prevent the life battery from back-charging and power consumption.
- 【easy to use】there are wirings for solar panel, alternator and battery. normal charging wiring will be indicated by light to better determine whether the connection is abnormal.
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