E-FAST 12V 20A Lithium Battery Charger, 14.6V LiFePO4 Battery Charger with Premium Aluminum Housing - 0V Activation for Golf Cart, RV, Marine, Boat,
SGD 112
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Extend battery life with intelligent 3-stage charging.
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What Stands Out
Product Details
- 12V LiFePO4 Battery Charger:The E-FAST charger is specifically designed for 12V lithium iron phosphate batteries, featuring 0V charging to reactivate depleted batteries. Key specs: 14.6V charging voltage, 20A current, universal 100–240V AC input (50Hz/60Hz), Ideal for high-capacity deep cycle battery banks in Golf Carts, RVs, Off-Grid Solar Systems, Marine Boats, and Trolling Motors.
- Rapidly Charge Your 12V LiFePO4 Battery:This 14.6V LiFePO4 charger is made for 12V lithium batteries, for max charging efficiency. It delivers steady 12-14.6V & up to 20A constant current—fully charging a 12V 100Ah LiFePO4 battery in just 5 hours (theoretical). That’s 4x faster than standard 5A chargers, slashing charging time drastically.
- Multi Safety protection:The 12V 20A lithium battery charger is engineered with intelligent CC/CV/Float-cut off mode transitions for optimal charging control. It integrates comprehensive safety mechanisms (over-voltage, short-circuit, over-temperature) to ensure reliable operation, long-term durability, and safety for both the battery and charger.
- Battery Quick-Connect & Cooling Fan:Features a premium aluminum alloy housing and cooling system. The upgraded 14.6V 20A lithium battery charger boosts convenience with dual heavy-duty connections: M8 terminals and a 50A Anderson connector. Its built-in cooling fan prevents overheating during continuous use, keeping performance stable even under heavy load.
- Clear LED Charging Indicator:This 12V 20A LiFePO4 charger has a dual-state LED indicators, red during charging and green when fully charged. Optimized for 12V lithium batteries (40Ah–300Ah), it’s engineered specifically for 12-14.6V lithium batteries to ensure maximum compatibility, efficiency, and optimized charging performance.
| Output Voltage | 12 Volts |
| Input Voltage | 110 Volts |
| Battery Charge Time | 5 Hours |
| Current Rating | 20 Amps |
| Amperage | 20 Amps |
| Connector Type Used on Cable | Anderson, M8 |
| Item Dimensions D x W x H | 2.6"D x 8.3"W x 3.5"H (6.6 x 21.1 x 8.9 cm) |
| Item Weight | 2 Pounds (910 grams) |
| Color | Black |
| Brand | E-FAST |
| Manufacturer | E-FAST |
| Specification Met | UL |
| Product Dimensions (L x W x H) | 2.6"D x 8.3"W x 3.5"H (6.6 x 21.1 x 8.9 cm) |
| Package Weight | 4.52 Pound |
Dangerous Goods
To avoid the delay in customs clearance process for Dangerous Goods, the shipment shall be opened at our warehouse facility to check the severity of hazardous components. Please see the list of Dangerous goods here.
Who Should Buy?
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Boat Owners
Ideal for boat owners needing reliable charging for their LiFePO4 deep cycle batteries during trips.
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RV Users
Perfect for RV enthusiasts seeking a smart charger for their Lithium LiFePO4 batteries while on the road.
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Eco-Friendly Battery Users
Great for users favoring sustainable, long-lasting lithium batteries that require specific charging parameters.
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Lead-Acid Batteries
Not suitable for users with standard lead-acid batteries as it is specifically designed for LiFePO4 chemistry.
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Small Battery Systems
May not be ideal for users with small battery systems that require lower amperage than this charger offers.
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Non-Rechargeable Batteries
Unsuitable for users who own non-rechargeable batteries, as this charger serves only rechargeable LiFePO4 types.
Product Description
Customer Questions & Answers
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Question:
What is the purpose of the 12V 20A Lithium Battery Charger?
Answer: The 12V 20A Lithium Battery Charger is designed to charge LiFePO4 (Lithium Iron Phosphate) deep cycle batteries efficiently. This smart charger can provide up to 20 amps of continuous current, making it suitable for various applications requiring significant battery backup, such as RVs, boats, and solar energy systems. Its advanced technology ensures safe and effective charging, enabling users to extend the lifespan of their batteries. -
Question:
Is this charger compatible with all types of lithium batteries?
Answer: No, this charger is specifically designed for LiFePO4 batteries. Using it on other lithium batteries, such as Lithium-ion or Lithium-polymer types, may lead to inefficient charging or even damage. Always verify the battery chemistry before use and consult the manufacturer's recommendations to ensure compatibility and safety. -
Question:
What features does the charger include for safety and convenience?
Answer: This charger comes equipped with several safety features such as overcharge protection, short circuit prevention, and temperature monitoring. Additionally, it features an Anderson connector for secure connections and an LED indicator to show the charging status. These features not only enhance safety but also make it easier for users to monitor the charging process, adding convenience to their experience. -
Question:
Can this charger be used for charging batteries in extreme weather conditions?
Answer: Yes, the 12V 20A Lithium Battery Charger can operate in a range of temperatures suitable for most environments. However, it is advisable to avoid extreme conditions, as prolonged exposure to high heat or freezing temperatures may affect charging efficiency. For optimal performance, store the charger in a temperature-controlled environment when not in use. -
Question:
How long does it take to charge a LiFePO4 battery with this charger?
Answer: The charging time will depend on the capacity of the battery being charged. For example, a 100Ah LiFePO4 battery would generally take around 5-7 hours to charge fully with the 12V 20A output, depending on the battery's state of charge. Monitoring the charging status via the integrated indicator can help determine when the battery is fully charged. -
Question:
What applications is this charger ideal for?
Answer: This charger is perfect for various applications where reliable deep cycle battery performance is essential. Common uses include RVs, electric bikes, solar-powered systems, and marine environments. Its capability to deliver 20A makes it suitable for high-demand setups, ensuring that your power needs are met efficiently. -
Question:
Does it come with a warranty?
Answer: Yes, this charger typically includes a manufacturer’s warranty that covers defects in materials and workmanship. Always check the specific warranty details included in your purchase documentation for the duration and any exclusions that may apply. A warranty provides peace of mind knowing that you are covered in case of any issues while using the charger. -
Question:
Is it user-friendly for non-technical individuals?
Answer: Absolutely! The design of the 12V 20A Lithium Battery Charger focuses on user-friendliness, making it accessible even for those without technical expertise. The LED indicator provides clear feedback on the charging status, while the Anderson connector ensures a straightforward and secure connection, allowing anyone to operate the charger with ease. -
Question:
Does the charger have a built-in management system for battery care?
Answer: Yes, this charger features an intelligent battery management system that monitors charging cycles and adjusts the charge according to the battery's needs. This system prevents overcharging, maintains battery health, and enhances the overall longevity of your LiFePO4 batteries, making it a smart investment for battery care. -
Question:
Where can I buy the 12V 20A Lithium Battery Charger in Singapore?
Answer: You can purchase the 12V 20A Lithium Battery Charger from Ubuy, which offers a wide range of electronic products, including battery chargers. Their platform provides a convenient shopping experience, reliable delivery, and customer support, ensuring that you find the right charger for your needs with ease.
E-FAST Battery Chargers Editorial Review
The 12V 20A Lithium Battery Charger has proven to be a reliable and effective tool for charging LiFePO4 batteries, as evidenced by the comprehensive feedback from users. Designed specifically for LiFePO4 batteries, the charger maintains the critical 14.6V charging requirement essential for these battery types, distinguishing itself from traditional chargers. Users appreciate its straightforward operation—simply connect and plug in—and its ability to automatically follow the lithium charging stages of bulk, absorb, and float, ensuring optimal battery health without manual intervention. Users have noted that the charger’s fan, while effective for cooling, can be louder than expected. However, this does not significantly detract from its performance. The robust Anderson connector is favorably received, demonstrating excellent contact and a solid connection, while the charger’s Construction, including its aluminum casing, allows for convenient placement in various settings. While the charger operates efficiently and delivers the expected current, some users suggest that its efficiency could be improved slightly, with reports of efficiency in the 80% range. Additionally, the unit’s dimensions make it suitable for compact setups, though the lack of mounting hardware is a minor drawback. Overall, the 12V 20A Lithium Battery Charger stands out as a practical solution for anyone using LiFePO4 batteries, providing fast charging capabilities while ensuring the longevity of battery life. **
Customer Reviews & Ratings
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5 Star
78%
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4 Star
14%
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3 Star
4%
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2 Star
2%
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1 Star
2%
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Pros
- Specifically designed for LiFePO4 battery charging
- Easy to use—plug-and-play functionality
- Follows lithium charging stages automatically
- Robust Anderson connector for secure connection
- Efficient charging up to 20 amps
Cons
- Cooling fan is quite loud during operation
Product Price History
Important information
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SGD 112
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Ubuy works hard to protect your security and privacy. Our advanced payment security system ensures confidentiality by encrypting your information during transmission using AES (Advanced Encryption Standards) and SSL (Secure Socket Layer) protocols. Your payment details are 100% secure as we do not share your payment details with third party sellers.
Features & Benefits
- Designed specifically for 12V LiFePO4 lithium batteries.
- Features a 0V charging function to reactivate depleted batteries.
- Fast charging capability up to 20A for 12V 100Ah batteries.
- Multiple safety protections including overvoltage and short circuit.
- Premium aluminum alloy build with cooling fan for stable output.
- Upgraded with M8 terminals and 50A Anderson connector for convenience.

















