WattCycle_12V_314Ah_Bluetooth_LiFePO4_Battery_Low_temp_Protection

12V 314Ah MINI Bluetooth LiFePO4 Battery | 200A BMS | 4019Wh

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ราคาโปรโมชัน  18,800.00 ฿ ราคาปกติ  34,999.00 ฿
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12V 314Ah MINI Bluetooth LiFePO4 Battery | 200A BMS | 4019Wh

ราคาโปรโมชัน  18,800.00 ฿ ราคาปกติ  34,999.00 ฿
รวมภาษีแล้ว คำนวณค่าจัดส่งในขั้นตอนการชำระเงิน

33% Smaller: 15.12 × 7.64 × 9.76 inch | 59.52 lbs (compared with a 12V 300Ah LFP battery).

Easily Power RVs for 3 Days: 314Ah | 4019Wh | 2560W continuous power output.

Exclusive Parallel Mode in WattCycle App: Smart app monitoring plus one-button equal discharging for longer battery life and safer parallel systems.

All-In-One 200A BMS: 15+ protections with 600A (30s) discharging current for high-power applications.

EV Grade-A Cells: Up to 15,000 cycles and 10+ years lifespan under proper use.

Smart Low-Temperature Cut-Off: Automatically cuts off discharging at < -4°F and auto cut-off/recovery in low-temperature environments.

DIY Your Power: Supports max. 4S4P configuration to build up to 64.30 kWh of energy.

Durable Design: IP65 waterproof rating, internal metal frame, tough casing, and waterproofed battery interface for harsh conditions.

30% Faster Heat Dissipation: Built-in aluminum cooling fins improve thermal performance.

50% Higher Output Current: Uses oxygen-free copper wires for lower resistance and higher efficiency.

Better Guarantee: Free shipping, shipping insurance, and a 5+2 years warranty.

Versatile Usage: Ideal for RVs, solar systems, home storage, trolling motors, and marine applications.

Certified: Meets IEC / ROHS / CE / FCC / UN38.3 / Class 9 standards.

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

Return Policy

At WattCycle, we're committed to your satisfaction with our batteries. We understand that there may be situations where you need to return or exchange your purchase. This policy is designed in accordance with good business practices and relevant consumer protection guidelines in Thailand.

Order Cancellation

We accept order cancellation before the product is shipped or produced. If the order is cancelled you will get full refund. We cannot cancel the order if the product is already shipped shipped out from our warehouse or handed over to the logistics partner.  Refunds will be processed back to the original payment method used for the purchase. 

Lost / Damaged Products Received

  • If the product was not delivered or appears to be lost in transit, please contact us immediately to initiate a trace with the logistics provider.  For damage claims, you must inspect the package and product upon delivery and report any visible damage to the delivery personnel (if possible) and to us within 48 hours of receipt. 
  • If the product you received was damaged, incorrect, or incomplete, please immediately contact us with clear proof in the form of videos and/or pictures showing the packaging condition and the product defect.

30-Days Money-Back Guarantee 

  • Within 30 days of the purchase, if you are unsatisfied without quality issues, you have the authorization to refund after return the items complete, unused and in the original package with all accessories and documentation. This guarantee does not apply to software, opened consumables, or specially configured/customized products, unless defective.However, you are responsible for the double shipping cost.

If 30 days have passed since the purchase, full refund cannot be offered.
NOTE: For products that show signs of use, installation, or physical damage not present at the time of delivery, we reserve the right to refuse the return, offer a partial refund, or charge a refurbishing fee.

Shipping Cost

When WattCycle Pays For Return Shipping

WattCycle will pay for the cost of return shipping if the reason for the return was the result of our error.

Examples of instances may include:

  • Item arrived defective and cannot be fixed with a replacement part.
  • We shipped out the wrong item.
  • We shipped it to the wrong address.
  • We shipped a duplicate order.
  • Item malfunctioned during the 30 day returns period. (The customer should install and operate the item properly per the product manual instruction.)

IMPORTANT

For items that arrive damaged or are defective, the customer MUST provide videos or photos to support the claim that the item arrived damaged or is malfunctioning. If a customer refuses to or fails to provide videos or photos of a claimed malfunctioning/damaged item, this return will be treated as “buyer’s remorse” and the customer is solely responsible for shipping it back.
If a customer claims an item is defective/damaged, the customer must provide a proof prior to return, with no exceptions.

Once we have received the approved returned item, we will review its condition. If the item is found to be defective, we will issue a refund within within 5-7 business days.

When the Customer Pays For Return Shipping

In the case of a return due to customer error, return shipping is the customer’s responsibility and shipping charges are paid by the customer. Fees vary by region.

WattCycle will provide the pre-paid return shipping labels to the customer and the shipping cost for returning the products will be deducted from the refund.

It is important to note that any order offered with special shipping charges is subject to a deduction of our actual outbound shipping costs.

After the 30-day returns period, customers may use the WattCycle Warranty Policy for repairs if the item is faulty or malfunctioning. Please refer to the WattCycle Warranty Policy for details.

Return Address

As we have warehouses in different places to receive the return products, please contact WattCycle customer service by email (support.th@wattcycle.com) to obtain the return address.

Refund 

  • For Non-quality issues, refund is provided following the “30 Days Money-Back Guarantee ”.
  • For quality issues, partial refund may be provided according to the usage time of the device after 30 days of the purchase.
  • Refund will be processed within 7-10 business days after the product is returned to WattCycle warehouse with a refund notification to customer email address.The refund will be issued to your original payment method. Bank transfer refunds for cash-on-delivery (COD) orders may require additional processing time and verification.

Your Statutory Rights: This policy does not affect your statutory rights under Thailand’s Consumer Protection Act B.E. 2522 regarding defective goods.

Note: Please contact us if the refund is not received within 7 business days.

Contact Us:

If you have any questions about our Return & Refund Policy, please feel free to contact us at support.th@wattcycle.com.

Service Hours: Monday-Friday, 9:00 AM - 6:00 PM ICT (excluding Thai public holidays)We appreciate your understanding.

Shipping Policy

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 within Thailand. 

Destinations:

  • We currently provide shipping services throughout Thailand, including all 77 provinces. 
  • Please note: Deliveries to remote islands or certain highland areas may require additional time or surcharges. We will contact you if such circumstances apply to your order.

Shipping Fee:

  • FREE standard shipping on all orders within mainland Thailand.
  • If the shipping costs are higher than expected, we may need to either cancel the order or kindly ask for your assistance in covering the additional charges.

Shipping time:

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

  • Processing time: 1-2 business days
  • Shipping time:

  • Bangkok Metropolitan Area: 1-2 business days

  • Central & Eastern Regions: 2-3 business days

  • Northern, Northeastern & Southern Regions: 3-5 business days
  • Delays may occur due to public holidays (如 Songkran, Loy Krathong), severe weather conditions, or carrier logistics. We will proactively notify customers via email or SMS if significant delays are anticipated.
  • Please note that during major Thai holidays, processing and shipping times may be extended.

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. Changes will be posted on our Thai website (th.wattcycle.com) and, where appropriate, notified to customers via email.

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

Shenzhen Washi Energy Co., Ltd.

Room A503, Building A, Lankun Group, Baoxin Road, Dajingshan, Buxin Community, Xin'an Street, Baoan District, Shenzhen

Tested by MarineHowTo (Rod “RC” Collins) — an independent ABYC Certified Marine Electrical Systems Specialist focused on marine energy management systems.
In real-world marine testing, RC noted that the WattCycle 314Ah BT Mini is well-suited for boating applications, striking a strong balance between safety and price—and he described it as one of the best-built batteries he’s seen at an entry-level price point. Our sincere thanks to RC for sharing honest, reliable data and feedback to help customers make smarter decisions.

Smarter Monitoring

With Bluetooth 5.0, the WattCycle app on Android/iOS lets you check voltage, temperature, and depth of discharge in seconds. Wireless tracking is essential for remote solar arrays or under-floor RV banks—no crawling into tight compartments to verify your LiFePO4 battery health.

Weather-Proof Performance

Whether you’re charging in 113 °F summer heat or discharging at –4 °F ice-fishing, this battery keeps pace. Charge range: 32 °F to 113 °F (0 °C–45 °C). Discharge range: –4 °F to 140 °F (–20 °C–60 °C). For anyone running a “solar battery 12V 300Ah” system in extreme climates, this pack won’t flinch.

High-Capacity Performance

Compared with our 12V 280Ah MINI model, the new 314 Ah battery packs 15 % higher energy density and a 12 % capacity bump—ending your energy anxiety once and for all. For those eyeing a “300Ah slim lithium battery 12V,” this is the same sleek form factor with extra juice. At just 59.5 lbs (15.12×7.64×9.76 in), it’s one-third the weight of lead-acid equivalents yet doubles the usable energy. Perfect when you need a “solar battery 12V 300Ah” solution without sacrificing cargo space.

Triple-Shield Safety

The WattCycle 12V 314Ah LiFePO4 Battery stands up to harsh conditions thanks to its unique full-aluminum internal frame,Which not only reinforces the cell structure but also integrates cooling fins that improve heat dissipation by 30 %. That means during heavy discharge or rapid charging, excess warmth is whisked away faster—protecting cell health and maintaining peak performance. Meanwhile, braided copper wires have been newly added inside the battery, enabling it to provide more than 50% of the power with the minimum voltage drop. This three-tier design makes it one of the safest 12V 300Ah deep cycle battery options on the market.

Simplified Comparison

For those running three 12V 100Ah batteries in parallel, you’d typically combine to 300 Ah. That setup adds weight, wiring complexity, and more points of failure. By choosing one WattCycle 314Ah MINI battery instead. you get additional benefits.

Scalable Energy Expansion

Scale up your array with extra WattCycle battery to build a 4S4P (64.3 kWh) mega-bank ideal for large solar arrays or whole-home backup. your go-to for WattCycle 12V 314Ah batteries that need to grow as your demand does.

Variety of Application Scenarios

This battery is perfectly suitable for a variety of application scenarios, From RV solar boondocking to home backup circuits, including trolling motors and on-board equipment. This module replaces bulky lead-acid stacks and standard 12V 300Ah deep cycle battery setups, streamlining power wherever you deploy it.

Upgraded WattCycle 12V 314Ah Mini LiFePO4 Battery with Bluetooth

1. High-Capacity Upgrade to 314Ah & 4.01 kWh

WattCycle 12V 314Ah LiFePO4 Battery delivers 4019Wh energy, higher than three 12V100Ah lithium batteries connected in parallel—ideal for RVs, solar systems, home storage, trolling motors, and marine. Support Max. 4S4P to 64.307kWh—hassle-free ENERGY anxiety

2. Advanced Conductive System

Wattcycle LiFePO4 battery improves 50% higher current output efficiency with high-grade braided oxygen-free copper wires, supporting 2000W+ devices. Ideal for heavy-duty applications.

3. All-Round BMS Protection & Low-Temperature cut-off Protection

It has a built-in 200A BMS to provide 100% protection and is equipped with high-grade aluminum cooling fins that dissipate heat 30% faster and a low-temperature cut-off function to protect the battery below -4°F (-20°C), hassle-free in harsh weather.

4. Unique Internal Metal Frame Safety Design

The Wattcycle LiFePO4 battery has zero swelling risk and a solid internal battery structure with a unique internal metal frame, passing UL62133 safety tests, and is shock-resistant with a durable ABS case.

5. Bluetooth Smart Management

Monitor battery voltage/temperature in real-time via Bluetooth 5.0 (300ft range). Compatible with Wattcycle 12V battery systems for golf carts, campers, and backup power.

6. 10 Years Longer Using

Equipped with Grade-A cells only, the Wattcycle LiFePO4 battery can escort you for ten more years with 5,000-15,000 deep cycles. Safe, long life cycles, cost-effective & eco-friendly.

7. Good Choice to Replace Lead-Acid

Weighing 59.52 lbs(15×7.64×9.76inch), it is 1/3 the weight of a 12V 300Ah lead acid battery (appr.180 lbs), but 2X in energy and 3- 5X longer using years. Smaller, lighter, faster to charge, and no hassle of line connection.

Tech Specs

General

Dimensions (Inches) 15.12 (L) x 7.64 (W) x 9.76 (H) 
Weight 59.52lbs / 27kg
Waterproof Rating IP65
Warranty Sign Warranty to extend for 7 years
Case Material ABS+PC/UL94 V-0
Terminal M8 bolts

Battery BMS

BMS 12.8V/200A
Standard/Max. Continuous Charging 62.8A/200A
Max. Continuous Discharge Current 200A
Over-current Discharge Protection 210A±10A
Over-current Charge Protection 210A±10A
Short Circuit Current Protection Support
Release Condition Cut Load
Charging High Temperature Protection 140°F ~ 158°F / 60°C ~ 70°C
Discharging High Temperature Protection 149°F ~ 167°F / 65°C ~ 75°C
High Temperature Protection Release Condition Drop by 41°F ~ 59°F / 5°C ~ 15°C
Charging Low Temperature Protection  23°F ~ 41°F / -5°C ~ 5°C
Discharge Low Temperature Protection -13°F ~ 5°F / -25°C ~ -15°C
Low Temperature Protection Release Condition Rise by 41°F ~ 59°F / 5°C ~ 15°C
Rated Voltage  12.8V
Standard Charging Voltage 14.6V±0.2V
Shipping Voltage 12.8V~13.5V
Shipping Capacity 50%
Cycle Life 6000@80%DOD
Self Discharge Rate <3%/Month
Series & Parallel Connections Max. 4 Parallel 4 Series
Cell Certifications UL1642/UL2580/UN38.3

Frequently asked questions

1. Does the BMS include low-temperature disconnect?

Yes. Our 200 A BMS protects against charging or discharging in unsafe temperatures.

  • Charge cutoff: 32 °F to 113 °F (0 °C – 45 °C)
  • Discharge cutoff: –4 °F to 140 °F (–20 °C – 60 °C)
2. Do I have to buy a special charger for LiFePO4 batteries?

We recommend using a WattCycle LiFePO4 battery charger, which is specifically designed to meet the unique charging needs of LiFePO4 batteries. Alternatively, you can also charge the battery using photovoltaic solar panels through MPPT or use an inverter with a built-in AC to DC charging function.

For more information about chargers specifically used for LiFePO4 battery, please read our blog: Can I Charge a LiFePO4 Lithium Battery with a Normal Charger?

3. Are WattCycle 12V 314Ah LiFePO4 batteries safe?

Absolutely. LiFePO4 is the most stable lithium chemistry on the market. WattCycle cells are UL-certified and housed in an IP65-rated case. Our internal BMS guards against:

  • Under voltage & over-voltage
  • Over-current & short circuits
  • Over-temperature
  • Low-temperature cut-off
4. Can I use this battery as a starter battery?

No. WattCycle 12V 314Ah LiFePO4 lithium batteries are not intended to be used as starting batteries but energy storage, please do not use them to start any devices.

For engine starts, can use WattCycle 12V 100Ah dual purpose battery, but only for marine. For the car generator, please use a purpose-built starting battery.

5. Can I charge WattCycle LiFePO4 lithium batteries with solar panels?

Yes—our 12V 314Ah LiFePO4 Battery is designed for seamless solar charging. Simply pair it with an MPPT charge controller and a 1,200 W PV array to top up in one sunny day (≈4.5 hrs of peak sun).

Optimal Setup: A 1,200 W solar panel bank feeding an MPPT regulator ensures efficient charging of your solar battery 12V 300Ah.
Charge Profile: MPPT controllers adjust voltage/current to maintain the ideal 14.2–14.6 V range, protecting cell health and maximizing cycle life.
Scalable: Whether you’re building out 12V 300Ah batteries for solar panels in parallel or keeping it simple with one pack, the WattCycle system adapts—no special wiring or firmware tweaks required.

6. How do I store WattCycle LiFePO4 lithium batteries?

It is recommended to store WattCycle LiFePO4 batteries at 50% state of charge (SOC). If the batteries are stored for long periods, recharge the batteries at least every 3 months. Recommended storage environment: 10℃~35℃ (50℉~95℉),45%RH~75%RH.

To learn more about storing lithium batteries, please read our blog: How Can I Properly Maintain My LiFePO4 Battery?

7. What maintenance does the battery require?

Zero maintenance—no watering or equalizing. Just install, register your 7-year warranty, and enjoy consistent, long-lasting power for years to come.


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