Battery Charger
Power Queen 14.6V 10A LiFePO4 Battery Charger For 12V LiFePO4 Lithium Battery
[Specifically Designed For LiFePO4 Battery] Power Queen 14.6V 10A LiFePO4 lithium batteries smart charger is uniquely designed for 12V LiFePO4 battery, implementing the special 2-stage constant current/constant voltage (CC/CV) charge algorithm with smart LED indicators. This charger has a specific Pre-Charge function, which is designed to activate all types of BMS by allowing current into lithium batteries to read from down to 0V.[High-efficiency Charging] With a constant current of 10A and a constant voltage of around 14.6V, it’s Ideal for LiFePO4 batteries 20 amp hours and above. Only needs 5 hours of fast charging time to fully charge a 12V 50Ah LiFePO4 battery compared with a 3 amps multi-charger which needs 17 hours to fully charge a 50Ah battery.[Multiple Protection] Power Queen 14.6V 10A LiFePO4 lithium battery charger has multiple protection, such as over-temperature protection, output short-circuits protection, reverse polarity connection protection, and output over-voltage protection to prevent damage from faulty operation.[Easy Operation & Visible Indicator] Connected + and – alligator clips of the charger to the battery as + to +, - to -. Then plug in the input cable to the charger and connect it to the input power. Intuitive LED indicators to provide visual charging state feedback and diagnostic information.[Premium Quality] Our LiFePO4 lithium battery charger is made of aluminum alloy with surface oxidation treatment, high hardness, and anti-oxidation, and the built-in cooling fan keeps the charger itself cool. Heat dissipations protect your charger and battery. It’s safe to charge.
$59.99
Power Queen 14.6V 20A LiFePO4 Battery Charger For 12V LiFePO4 Lithium Battery
[Specifically Designed For LiFePO4 Battery] Power Queen 14.6V 20A LiFePO4 lithium batteries smart charger is uniquely designed for 12V LiFePO4 battery, implementing the special 2-stage constant current/constant voltage (CC/CV) charge algorithm with smart LED indicators. This charger has a specific Pre-Charge function, which is designed to activate all types of BMS by allowing current into lithium batteries to read from down to 0V.[High-efficiency Charging] With a constant current of 20A and a constant voltage of around 14.6V, it’s Ideal for LiFePO4 batteries 20 amp hours and above. It only needs 2.5 hours of fast charging time to fully charge a 12V 50Ah LiFePO4 battery compared with a 3 amps multi-charger which needs 17 hours to fully charge a 50Ah battery.[Multiple Protection] Power Queen 14.6V 20A LiFePO4 lithium battery charger has multiple protection, such as over-temperature protection, output short-circuits protection, reverse polarity connection protection, and output over-voltage protection to prevent damage from faulty operation.[Easy Operation & Visible Indicator] Connected + and – alligator clips of the charger to the battery as + to +, - to -. Then plug in the input cable to the charger and connect it to the input power—intuitive LED indicators to provide visual charging state feedback and diagnostic information.[Premium Quality] Our LiFePO4 lithium battery charger is made of aluminum alloy with surface oxidation treatment, high hardness, and anti-oxidation, and the built-in cooling fan keeps the charger itself cool. Heat dissipations protect your charger and battery. It’s safe to charge.
$79.99
![[Only $156] Power Queen 14.6V 40A Lithium Battery Charger For 12V LiFePO4 Lithium Battery Power Queen](//ipowerqueen.com/cdn/shop/files/Only-_156_-Power-Queen-14.6V-40A-Lithium-Battery-Charger-For-12V-LiFePO4-Lithium-Battery-Power-Queen-39422862.jpg?v=1719457391&width=645)
Power Queen 14.6V 40A Lithium Battery Charger For 12V LiFePO4 Lithium Battery
[5 Hours Fast Charger For Larger Capacity LiFePo4 Battery] Power Queen 14.6V 40Amp LiFePO4 battery charger is rated at a 40 amp large output current, realizing the rapid battery charging. It just takes approximately 5hrs/7.5hrs/10hrs to fully charge the 12V 200Ah battery, 12V 300Ah battery, 12V 400Ah battery system.[4 Protection Function & Reliability] Adopt the advanced circuit design and strict production process according to the IS09001:2008 quality management system, which provides multi-protection from over-temperature, output short-circuits, output over-voltage, and reverse polarity connection. This comprehensive safety protection guarantees secure battery charging.[0V Charging Mode For Dead Battery] The charger has an exclusive pre-charge mode that can "wake up" the slept batteries. Simply connect the charger to the battery to restore the battery to the normal voltage.[Intuitive Chargering status Display & 4 Steps Easy Operation] With an LED charging indicator, the charger shows its real-time operational status, which includes standby, in-charge, fully charged, and charging anomalies. This enables you to monitor the real-time status of the device.[Complete Accessories Are Available in One Package] Throughout the charging process, the charger smoothly alternates among three charging modes: Pre-Charge Mode, Constant Current (CC), and Constant Voltage (CV), guaranteeing a secure and steady charging experience.
$149.99
Power Queen 14.6V 40A LiFePO4 Battery Charger
[5 Hours Fast Charger For Larger Capacity LiFePo4 Battery] Power Queen 14.6V 40Amp LiFePO4 battery charger is rated at a 40 amp large output current. It adopts the 2-stage constant current/constant voltage (CC/CV) charge technology, which can extend the battery life to a large extent. Our charger enables the automatic full charging of a 12V 200Ah lithium battery in around 5 hours, which is optimal for the larger capacity marine battery & deep cycle battery and can solve power needs easily.[4 Protection Function & Reliability] Adopt the advanced circuit design and strict production process according to the IS09001:2008 quality management system, which provides multi-protection from over-temperature, output short-circuits, output over-voltage, and reverse polarity connection. Besides that, it makes the Power Queen lifepo4 battery charger a reliable and high-quality product to ensure secure use during battery charging.[0V Charging Mode For Dead Battery] Power Queen 14.6V 40Amp lithium battery charger has an exclusive pre-charge mode that 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 which can enlarge the battery lifespan.[Intuitive Chargering status Display & 4 Steps Easy Operation] An 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 charge the battery and auto-stop when full, no need to worry about the hazards of the battery overcharging.[Complete Accessories Are Available in One Package] Power Queen MPPT Charge Controller provides the most comprehensive installing accessories for setting up a solar charge system. It saves you time in searching for the right accessories, allows you to complete the installation when you receive the package and gets ready for the solar power system.
$149.99
Power Queen 29.2V 20A Lithium LiFePO4 Battery Charger
[Specifically Designed For LiFePO4 Battery] Power Queen 29.2V 20Amp LiFePO4 Charger is uniquely designed for a 24V LiFePO4 battery, adopting the 2-stage constant current/constant voltage (CC/CV) charge technology which enables full charge of the battery to 100% capacity automatically. Besides, the charger has an exclusive pre-charge mode which is designed for activating the 0V battery protected by BMS. Simply connect the charger to the battery to initiate a restart which sets you worry-free.[Saving 1/2 The Charging Time] With input voltage from 100V-240V, which maintains a stable voltage accuracy at ±0.2V (approx.29V to 29.4V) and affords output constant current at 19A to 21A. It enables charging a 24V battery pack instead of charging a single 12V battery individually one by one. Only needs 5 hours of fast charging time to fully charge a 24V 100Ah battery pack compared with a 12V 20amp charger which needs 5hrs+5hrs=10hrs to fully charge it. Save half charging time and disassembly steps.[Easy Operation & Intuitive LED Light] Just an easy connection to the LiFePO4 battery by using the included battery alligator clips. Then plug in the input cable to the charger and connect it to the input power, the battery will start charging your battery. The LED light provides visual charging state feedback and diagnostic information and displays the charging status.[Reliability & Multiple Protection] The advanced circuit design and strict production process according to the IS09001:2008 quality management system make the charger more reliable and with long service life. Providing multi-protection from over-temperature, output short-circuits, output over-voltage, and reverse polarity connection, to ensure safe use.[Professional Warranty Service & Faster Delivery] As a professional seller, we contribute to providing higher quality products and better service to our customers all the time, so we promise a 2-year warranty and quick response customer support within 24 hours. And the local warehouse in the US makes the delivery time faster.
$159.99
Power Queen 12/24V 30A MPPT Solar Charge Controller & Bluetooth Adapter
[12/24V MPPT with 99% Tracking Efficience] Given Innovation MPPT technology's high tracking efficiency of up to 99% and peak conversion efficiency of 98%, the Power Queen MPPT Charge Controller can track arrays' maximum power point to get the most power to charge the battery and loads. It improves the energy utilization ratio by 15%-20% when compared to conventional PWM controllers.[Intuitive LCD Display & Remote Monitoring] The Power Queen MPPT Controller includes an LCD screen and multiple LED indicators, and it’s intended to display information about system operation, customizable parameters, and error codes. It includes a Bluetooth adaptor with an RJ12 port and can be used with the integrated RS232 communication protocol to remotely monitor the real-time status of the solar panel, battery, and loads.[LiFePO4 Default Setting & Widely Use Range] The Power Queen 12/24V 30 Amp MPPT Charge Controller was conceived in response to the widespread demand from lithium battery users for a dedicated LiFePO4 battery controller. It's intended for LiFePO4 batteries, with a 12V LiFePO4 default setting, but it's also adaptable to Gel, Sealed, Flooded, and Lead-Acid batteries by manually setting it.[Solid Case Design & Built-in Multiple Protections] The utilization of a die-cast aluminum heat sink increases heat dissipation efficiency, which reduces power loss due to heat. And it can operate at full load in temperatures ranging from -31°F to 113°F. Over-voltage, over-power, short-circuit, reverse-connection, reverse-charging, and over-temperature protection are all built-in, ensuring total protection from the solar panels to the load terminal.[Complete Accessories Are Available in One Package] Power Queen MPPT Charge Controller provides the most comprehensive installing accessories for setting up a solar charge system. It saves you time in searching for the right accessories, allows you to complete the installation when you receive the package and gets ready for the solar power system.
$119.99
Power Queen 2000W Inverter 12V DC to 110V-120V AC Converter with 2 AC Outlets
[2000W Continuous Pure Sine Wave Output] Power Queen inverter 12V DC to 110V-120V AC provides 2000W continuous power, 4000W peak surge during load start-up. It maintains a high power efficiency of over 90% and is constructed using high-quality parts and precise engineering for durable, long-lasting, and stable performance you can rely on.[Protect Your Electronics] The Advanced pure sine wave technology will protect and extend the life of your electronics and appliances. Unlike modified sine waves, the reliable pure sine wave output of the Power Queen 2000W inverter is compatible with all loads, ensuring the safe operation of your devices. [Intelligent 5-Tier Protections for Safety] Equipped with intelligent protection with over-voltage, low-voltage, high temperature, overload, and short circuit protections safeguards your devices and the inverter itself. The inverter's integrated cooling fan efficiently dissipates operational heat, ensuring unwavering stability and reliability. All of this, while maintaining a serene environment with low noise output.[Easy Operation, Instant Insight] The Power Queen Inverter offers intuitive handling. Its LCD screen provides a quick view of key metrics—input voltage, output voltage, and load power—for instant performance monitoring.[Wide-Compatibility & Effortless Integration] This inverter effortlessly works with diverse 12V battery types, including lithium-ion and lead-acid, catering to a range of power needs across different applications. Engineered for swift installation, the Power Queen Inverter easily fits into your vehicle, boat, RV, or home. Enjoy uninterrupted power with minimal setup.Attention: Please avoid direct contact between the terminals of the positive and negative wires connected to the battery, and do not reverse the positive and negative connections. It will cause damage to the inverter.
$189.99
Power Queen 12V 40A DC to DC Battery Charger
[Exquisite Design & Simple Operation] Small, light, and exquisite, the Power Queen 12V DC-DC battery charger has a compact design, and the dimensions are 5.83*1.89*7.44 inches, so it can save more space for your vehicle. The additional components, Anderson connectors, bring simple connection and operation in the installation process, less trouble for you during setup. The visual LED indicators let you easily know the charging status.[High-level Safety Secured & Reverse Charge Function] Power Queen 12V DC-DC battery charger can protect the battery from over-charging, over-voltage, and over-temp, and it has BMS protection for LiFePO4 batteries. Besides, this charger can activate the LiFePO4 battery when the BMS inside the battery shuts off. Where necessary, the service battery can charge the starter battery, protecting the starter battery and alternator from damage.[Dual Input Charging】Power Queen 12V DC-DC battery charger supports charging the service battery through the generator and solar panels, achieving 100% fully charged on the service battery. The advanced built-in MPPT function of the charger maximizes solar power and brings a high charging efficiency at a proper voltage and charging phase.[Great Compatibility & More Options] Power Queen 12V DC-DC battery charger is compatible with various battery types, such as Lithium batteries, AGM, Gel, SLA, and CA, and offers you more options and a more flexible lifestyle. The charger can meet your multiple needs for charging the service battery in various application scenarios, such as RV, trailer, camper, truck, yacht, marine, etc.[24-hour Timely Service] Power Queen struggles to provide every customer with the safest product and the most professional service. If you have any questions, we'll offer one-on-one technical support to analyze consumers' problems within 24 hours.
$169.99
Power Queen 500A Battery Monitor with Shunt
[Package Content] 1 x Battery Monitor, 1 x 500A Shunt, 1 x Shunt Holder, 1 x 20FT Shielded Wire, 1 x 20AWG 3FT Power Wire, 1 x Screwdriver, 3 x Mounting Screws.[Accurate Battery Monitoring] Keep a close eye on your battery's performance with the Power Queen 500A Battery Monitor. It provides real-time monitoring of voltage levels, current flow, and battery health for precise battery management.[Programmable High and Low Voltage Alarm] Set custom voltage thresholds and receive instant alerts when your battery's voltage exceeds or falls below your desired levels. Stay informed and prevent potential battery damage or depletion.[Versatile Compatibility] The Power Queen Battery Monitor is designed to work seamlessly with 8V-120V Lithium, Sealed Lead Acid (SLA), LiFePO4, Gel, and Flooded battery types. Enjoy compatibility with a wide range of battery technologies.[Enhanced Battery Management] Gain valuable insights into your battery's state of charge, remaining capacity, and discharge/charge cycles. Make informed decisions about battery usage and optimize its lifespan for extended reliability.[Easy Installation] The monitor comes with a 20ft shielded wire, allowing flexible placement within your vehicle or battery system. The included LCD display ensures clear visibility of battery information at a glance.
$85.99
Power Queen 250A 32V ANL Fuse 3PCS
[Product Model] 250A ANL Fuse, Rated Voltage: 32V (Compatible With 12V & 24V); Rated Amperage: 250A[Safety Protection] Power Queen 250A ANL fuse provides excellent safety protection for your system, preventing overcurrent damage to your controller, wire, inverter, and battery, ensuring your system can have a longer service life.[Reliable Material] Power Queen 250A ANL Fuse is made of copper alloy with gold plated surface, a durable and reliable material, with good heat resistance, melting resistance, and good conductivity.[Wide Compatibility] Power Queen 250A ANL Fuse applicable to multiple scenarios, widely used in motor-dom, electronic manufacturing, transportation, and industrial manufacturing.[Fuse Dimension] 82 x 20mm, applicable to M8 Terminal.
$15.99
![[Only $156] Power Queen 14.6V 40A Lithium Battery Charger For 12V LiFePO4 Lithium Battery Power Queen](http://ipowerqueen.com/cdn/shop/files/Only-_156_-Power-Queen-14.6V-40A-Lithium-Battery-Charger-For-12V-LiFePO4-Lithium-Battery-Power-Queen-39422862.jpg?v=1719457391&width=645)
FAQS
Q:Can I use lead-acid battery charger to charge lithium batteries?
Lithium chargers employ a CV/CC charging technique. This approach maintains a constant current until the battery reaches the target voltage. As the battery approaches maximum capacity, the current gradually decreases. This technique allows for rapid charging while preventing overcharging, making it ideal for lithium-ion batteries.
Normal chargers, on the other hand, rarely use the CV/CC technique. Using a lead-acid battery charger with lithium batteries may result in partial charging or even damage to the lithium cells.
For further information, see the article Can I Charge a LiFePO4 Battery with a Lead Acid Charger?
Q:Is it OK to charge LiFePO4 to 100%?
Yes, Power Queen LiFePO4 batteries may be recharged to 100%. Unlike other lithium battery chemistries, LiFePO4 batteries are engineered to withstand complete charges without severe harm. However, for maximum longevity, it is frequently recommended to keep the battery's SOC between 20% and 80% during normal operation.
Q:Is it OK to leave a LiFePO4 battery on the charger?
Although it is generally safe to leave a LiFePO4 battery on the charger because both the charger and the battery have built-in BMS to prevent overcharging, it is nevertheless advised that you monitor the charging process.
Q:Do Power Queen lithium battery chargers have protection?
Yes. Power Queen LiFePO4 lithium battery chargers have a BMS to protect the battery from overheating, reverse polarity, short circuiting, and overvoltage.
Furthermore, Power Queen LiFePO4 Lithium battery chargers support 0V, allowing you to jump start dead lithium batteries.
Q:What types of battery accessories does Power Queen offer?
Power Queen offers a varied range of battery accessories designed to improve the performance and safety of your battery system. Our assortment includes fuses, fuse holders, battery monitors, marine battery boxes, and battery hold-down systems, among other items.
These accessories work with LiFePO4 and other batteries, ensuring that your system functions smoothly and safely.
Q:Why are battery accessories important?
Battery accessories are crucial for ensuring that your battery system is safe, effective, and long lasting. Proper accessories guarantee that your batteries are securely fitted, correctly charged, and protected from overcurrent or short-circuit circumstances. Fuse and charge controllers are two types of accessories that help govern power flow while also protecting your batteries and other connected devices.
Q:What is the purpose of a battery monitor?
A battery monitor measures the state of charge (SOC), voltage, current, and other important battery statistics. It provides real-time information on the amount of power left in your battery and allows you to check its health. This is especially useful for off-grid systems, RVs, naval stations, and other applications where it is vital not to run out of power suddenly. For further information, see the article "What Is a Battery Monitor and Why Do You Need It?"
Q:What is a fuse holder, and why do I need one?
A fuse holder includes a fuse, which is designed to protect your electrical system from overcurrent conditions that could damage the battery or other components. If a short circuit or overload occurs, the fuse blows, disconnecting power and averting further damage. Power Queen fuse holders are designed to be simple to install while offering safe and reliable battery protection.
Q:Can I use Power Queen accessories with batteries from other brands?
Yes, the majority of our accessories are compatible with LiFePO4, lead acid, and AGM batteries. However, you should always check the specs of each accessory to ensure that it is compatible with the voltage, current, and battery type in your system.