14.6V 20A Aluminum Shell LiFePO4 Battery Charger – WattCycle-US

Direct from Official Store — Full Warranty and Technical Support.

🌟 Triple savings: Spring Sale + Early-Bird + Extra 6% Off. Limited spots remaining. >>>

14.6V 20A Aluminum Shell LiFePO4 Battery Charger

Sale price $109.99 Regular price $129.99

The same model charger in stock is only $79.99.

FAQs

Making the switch to LiFePO4 shouldn't be a solo mission. At WattCycle, our dedicated team of engineers and battery experts are just a phone call or email away, ready to answer your questions and guide your lithium journey.

      User Manual

      Warranty Policy

      WattCycle Warranty Policy

      Thank you for choosing WattCycle. This warranty policy applies to all products purchased through official WattCycle channels and authorized distributors. Please read this policy carefully before installation and use.

      I. Warranty Commitment

      WattCycle warrants to the original consumer that under normal use conditions, products shall be free from defects in material and workmanship from the date of original purchase.

      1. Warranty Period

      Product Category

      Specific Model/Series

      Base Warranty

      Extended Warranty (with Registration)

      LiFePO4 Batteries

      All new battery models

      5 years

      2 years (7 years total)

      Like-New Products

      All like-new models

      1 year

      Battery Cells

      All models

      No warranty

      Accessories

      Chargers, inverters, controllers, wiring cables, etc.

      1 year

      Note: Extended warranty must be activated through product registration on the official WattCycle website within 3 months of purchase.

      2. Warranty Period Calculation

      • The warranty period begins from the original consumer’s purchase date.
      • Valid proof of purchase (order screenshot, invoice, etc.) is required to establish the purchase date.
      • Repaired or replaced products do not extend the original warranty period, which remains based on the original purchase date.

      II. Warranty Claim Process and Fees

      1. Claim Process

      • Step 1: Contact WattCycle Customer Service (service@wattcycle.com), describe the issue, and provide proof of purchase.
      • Step 2: Our technical team will contact you within 24-48 hours to assist with troubleshooting.
      • Step 3: Once the issue is confirmed as a quality defect, customer service will provide a Return Merchandise Authorization (RMA) number and return instructions.

      2. Fee Responsibility Rules

      Scenario

      Resolution

      Shipping Responsibility

      Notes

      Quality issue (within 6 months)

      Free replacement/refund

      WattCycle covers shipping costs

      Requires quality defect confirmation, valid proof of purchase, within warranty period.

      Quality issue (after 6 months, within warranty)

      Free replacement

      WattCycle covers shipping costs

      Requires quality defect confirmation, valid proof of purchase, within warranty period.

      Personal reason (return within 30 days)

      Return for refund

      Customer bears return shipping

      Original packaging intact, product in good condition. Warehouse restocking fees will be charged.

      Personal reason (return after 30 days)

      Return for refund

      Customer bears two-way shipping

      Warehouse restocking fees and depreciation fees will be charged.

      Wrong item shipped / Missing item / Transit damage

      Free replacement

      WattCycle covers shipping costs

      /

      Order cancellation (before shipment)

      Refund

      No shipping charges incurred

      /

      Over 6 months (non-quality issues)

      Returns not accepted

      /

      /

      3. Refund Policy

      • Refunds are applicable only for quality issues reported within 6 months of purchase. Quality issues identified after 6 months will be resolved through product replacement.
      • The refund amount will be calculated after final verification, deducting any applicable fees, and returned via the original payment method.
      • Refunds will be processed via the original payment method within 3-5 business days after receipt and inspection of the returned product.

      III. Warranty Exclusions (Limitations of Liability)

      This warranty does not apply to damage or malfunction caused by:

      1. Accidents and Force Majeure

      • Accidents, abuse, misuse, or negligence
      • Natural disasters such as fire, flood, lightning, earthquakes, extreme temperatures

      2. Improper Use and Installation

      • Failure to follow installation, operation, or maintenance instructions in the product manual
      • Voltage/current mismatch, reverse polarity connection
      • Use of incorrect fuses or undersized cables
      • Series or parallel connections exceeding permissible limits (e.g., systems exceeding 48V)
      • Mixing with other battery brands

      3. Unauthorized Modifications or Repairs

      • Any disassembly, modification, or repair by unauthorized personnel
      • Altered, damaged, or removed serial numbers

      4. Normal Wear and Tear and Commercial Use

      • Cosmetic wear or scratches from normal use.
      • Natural capacity degradation over time (normal aging).
      • Use exceeding the product’s designed cycle life or technical specifications.

      5. Long-Term Inactivity

      • Damage resulting from failure to perform periodic charging maintenance for over one (1) year.

      6. Other

      • Inability to provide valid proof of purchase.
      • Products that have been fully refunded through other means.

      IV. Final Provisions

      • WattCycle reserves the right of final interpretation of this warranty policy.
      • This policy may be revised periodically. All changes will be published on our official website.

      Contact Information:

      📧 Official Customer Service Email: service@wattcycle.com

      🌐 Official Website: www.wattcycle.com

      Shipping Service

      Thank you for choosing WattCycle for your LiFePO4 battery needs! We understand that getting your batteries quickly and safely is important to you. This policy outlines the shipping process for WattCycle orders.

      Destinations:

      • We only ship orders to Continental 
      • Currently we DO NOT ship to Alaska, Hawaii, and Puerto Rico.
      • Please do not use PO Box addresses, which are not within the delivery range of FedEx. If you accidentally use such addresses, please contact us to change them in time to avoid delays in delivery.

      Shipping Fee:

      • FREE shipping on all orders
      • Shipping method: UPS Ground & Fedex

      Shipping time:

      The time frame of an order delivery is divided into two parts:

      • Processing time: 1-2 business days
      • Shipping time: 2-5 business days
      • The shipping will delay for some objective or uncontrolled reasons. We will notice our customer ahead for delays.

      Tracking Your Order:

      • Once your order ships, you will receive a confirmation email with a tracking number. You can use this tracking number to track the progress of your shipment on the carrier's website.

      Disclaimer:

      • While we strive to meet the estimated delivery times provided, these are estimates and actual delivery times may vary depending on factors beyond our control, such as carrier delays or weather conditions.

      Changes to This Policy:

      • We reserve the right to modify this Shipping Policy at any time. We will post any changes to this policy on our website.

      We appreciate your support! If you have any questions about our shipping policy, please feel free to contact us at service@wattcycle.com.

      Description

      • Trickle Current and Fast Charge: WattCycle battery chargers utilize three-stage intelligent charging technology controlled by a single-chip MCU, which accurately tracks the battery charging process so that the battery is always under optimal electrochemical reaction conditions to prolong its service life. Our charger accepts 100-240v input voltage and outputs 14.6V 20A trickle current to ensure safe battery charging while achieving fast charging!
      • Short-circuit Protection for Safe Charging: WattCycle battery charger adopts the latest non-sparking technology, the powerful protection mechanism makes the battery automatically cut off when there is over-current, over-charging, overheating or short-circuit. The charger shell is made of aluminum alloy surface, oxidized, high-grade, beautiful, aesthetic, good heat dissipation ability, high hardness, antioxidant, non-fading, long service life.
      • Portable, Lightweight and Small Size: WattCycle charger control circuit adopts the advanced LLC half-bridge novation soft switching power supply control technology, suitable structure and good thermal design make the charger small, light and portable. The size of our charger is only 8x3.9x2.2inch, the cord length is 47.2inch, lightweight and portable, while the long enough cord makes it extremely convenient for you to use. No worries about the short cord length.
      • Compatible with all Types of Lithium Batteries: WattCycle charger is widely used for charging automotive lithium batteries for electric cars, electric bicycles, electric tricycles, electric forklifts, electric cars, electric motorcycles, electric sweepers, electric boats, electric sightseeing cars, electric golf carts, electric tractors, electric forklifts, electric medical equipment, electric transporters and other automotive lithium batteries. Other types of lithium batteries can also be used.
      • Light-up Prompting Function: WattCycle charger is designed with a light-up alert function, blinking red (abnormal status) to activate over-temperature/short-circuit/reverse polarity protection/over-power protection, green color is always on when it's fully charged, and red color is always on when it's charging. You can judge the status of the battery and charger according to the lighted status, and pay attention to whether the battery is full or whether there is any abnormality in time.

      Reviews (1101)

      Customer Reviews

      Based on 1101 reviews
      90%
      (992)
      9%
      (97)
      1%
      (7)
      0%
      (2)
      0%
      (3)
      S
      Steve

      I have an older 24 V solar array hooked to 12 V batteries. The batteries were over 10 years old and dying. I did a direct swap and they worked perfectly. I am ordering more.

      T
      Teresa

      Happy with quality snd service

      D
      Dimitar Ivanov (Bulgaria)
      Всичко съвпада с описанието и снимките в сайта

      Всичко съвпада с описанието и снимките в сайта. Много бърза доставка и добро качество. С удоволствие ще си поръчвам от Вас.

      P
      Pavel Špitt (Czechia)
      Perfektní

      Za ty peníze a kvalitu, super. Koupeno na základě českých youtuberů, kteří baterii otevřeli a odborně zhodnotili. Provedení po všech stránkách je perfektní.

      K
      Kevin

      Love these batteries

      Payment & Security

      Payment methods

      • American Express
      • Apple Pay
      • Google Pay
      • Mastercard
      • PayPal
      • Shop Pay
      • Union Pay
      • Visa

      Your payment information is processed securely. We do not store credit card details nor have access to your credit card information.

      WattCycle LiFePO4 Battery Charger

      WattCycle LiFePO4 Battery Charger

      Lithium Battery Charger 4X Protection

      Lithium Battery Charger 4X Protection

      WatCycle LiFePO4 Lithium Battery Charger​ 100% Safe

      WatCycle LiFePO4 Lithium Battery Charger​ 100% Safe

      How to Charge Lithium ion Battery

      Charge Lithium ion Battery

      WattCycle Lithium Battery Charger Applications

      WattCycle Lithium Battery Charger Applications

      Tech Specs

      SPECIFICATION

      Brand WattCycle
      Model WT-15V20AFA
      Input 100-240V~50 / 60Hz 5A Max
      Output 14.6V⎓20.0A 292.0W
      Product Size (Inches) 8.07 (L) x 3.93 (W) x 2.16 (H) 
      Specification 14.6V20AFA
      Net Weight 3.09lbs / 1.04kg

      MODE

      Waiting Mode 🟢
      Charging Mode 🔴
      Full Power Mode 🟢
      Charging Error Mode 🔴 (Flashing)

      Frequently Asked Questions

      Q1: Is it easy to install?

      A1: Yes , it is. You just need to connect the positive and negative terminals of the charger and battery, plug it in and use it.

      Q2: Is it suitable for all LiFePO4 batteries?

      A2:
      This charger is suitable for all sizes of LiFePO4 batteries.

      Q3: Is the charging process safe?

      A3:
      This charger uses the latest sparkless charging technology. At the same time, it has over-current, over-temperature, over-voltage and reverse polarity protection mechanisms.
      When overcharged or overheated, it will cut off power in time.
      During normal use, you don't need to worry about safety issues.

      Q4: Does it have a LED display?

      A4:
      This product does not use a LED display. WattCycle charger is designed with a light-up alert function, blinking red (abnormal status) to activate over-temperature/short-circuit/reverse polarity protection/over-power protection, green color is always on when it's fully charged, and red color is always on when it's charging. You can judge the status of the battery and charger according to the lighted status, and pay attention to whether the battery is full or whether there is any abnormality in time.

      Q5: What is the warranty policy?

      A5:
      From the original date of purchase, this product is covered by a 1-year warranty. Any non-human-made quality issues occurring during the warranty period will be repaired free of charge.