• WattCycle 12V 314Ah Ultra Bluetooth LiFePO₄ Battery with 300A BMS
  • WattCycle 12V 314Ah Ultra Bluetooth LiFePO₄ Battery with 300A BMS
  • WattCycle 12V 314Ah Ultra Bluetooth LiFePO₄ Battery with 300A BMS
  • WattCycle 12V 314Ah Ultra Bluetooth LiFePO₄ Battery with 300A BMS
  • WattCycle 12V 314Ah Ultra Bluetooth LiFePO₄ Battery with 300A BMS
  • WattCycle 12V 314Ah Ultra Bluetooth LiFePO₄ Battery with 300A BMS
  • WattCycle 12V 314Ah Ultra Bluetooth LiFePO₄ Battery with 300A BMS
  • WattCycle 12V 314Ah Ultra Bluetooth LiFePO₄ Battery with 300A BMS
  • WattCycle 12V 314Ah Ultra Bluetooth LiFePO₄ Battery with 300A BMS
  • WattCycle 12V 314Ah Ultra Bluetooth LiFePO₄ Battery with 300A BMS
  • WattCycle 12V 314Ah Ultra Bluetooth LiFePO₄ Battery with 300A BMS
  • WattCycle 12V 314Ah Ultra Bluetooth LiFePO₄ Battery with 300A BMS
  • WattCycle 12V 314Ah Ultra Bluetooth LiFePO₄ Battery with 300A BMS
  • WattCycle 12V 314Ah Ultra Bluetooth LiFePO₄ Battery with 300A BMS
  • WattCycle 12V 314Ah Ultra Bluetooth LiFePO₄ Battery with 300A BMS
  • WattCycle 12V 314Ah Ultra Bluetooth LiFePO₄ Battery with 300A BMS
  • WattCycle 12V 314Ah Ultra Bluetooth LiFePO₄ Battery with 300A BMS
  • WattCycle 12V 314Ah Ultra Bluetooth LiFePO₄ Battery with 300A BMS
  • WattCycle 12V 314Ah Ultra Bluetooth LiFePO₄ Battery with 300A BMS
  • WattCycle 12V 314Ah Ultra Bluetooth LiFePO₄ Battery with 300A BMS
  • WattCycle 12V 314Ah Ultra Bluetooth LiFePO₄ Battery with 300A BMS
  • WattCycle 12V 314Ah Ultra Bluetooth LiFePO₄ Battery with 300A BMS
  • WattCycle 12V 314Ah Ultra Bluetooth LiFePO₄ Battery with 300A BMS
  • WattCycle 12V 314Ah Ultra Bluetooth LiFePO₄ Battery with 300A BMS
  • Fast, Free Shipping
    Fast, Free Shipping
  • 30-Day Money-Back Guarantee
    30-Day Money-Back Guarantee
  • Hassle-Free Warranty
    Hassle-Free Warranty
  • Lifetime Customer Support
    Lifetime Customer Support
Payment Method
  • WattCycle 12V 314Ah Ultra Bluetooth LiFePO₄ Battery with 300A BMS
  • WattCycle 12V 314Ah Ultra Bluetooth LiFePO₄ Battery with 300A BMS
  • WattCycle 12V 314Ah Ultra Bluetooth LiFePO₄ Battery with 300A BMS
  • WattCycle 12V 314Ah Ultra Bluetooth LiFePO₄ Battery with 300A BMS
  • WattCycle 12V 314Ah Ultra Bluetooth LiFePO₄ Battery with 300A BMS
  • WattCycle 12V 314Ah Ultra Bluetooth LiFePO₄ Battery with 300A BMS
  • WattCycle 12V 314Ah Ultra Bluetooth LiFePO₄ Battery with 300A BMS

WattCycle 12V 314Ah Ultra Bluetooth LiFePO₄ Battery with 300A BMS

$599.99$729.99
  • Ultra-level Energy: 142Wh/L energy density, 12.8V|314Ah|4019Wh—strong capacity in a compact form at just 61.72lbs, sized at 20.63 × 9.65 × 8.66 inch.
  • Ultra-level Scenario Adaptation: built for RV, Off-Grid, UPS, Boat & Fishing, and Home Emergency Storage—one battery ready for all key power needs.
  • Ultra-level 300A BMS: supports 3840W continuous output and 350A peak discharge with full protection from overload, short circuit, and imbalance—powering high-demand devices together with confidence.
  • LiFePO4 EV-A+ Grade Cells: 6000 cycles @80%DOD, over 10 years of durable lifespan.
  • Low-temp Cut-off: Automatic shutdown at -4°F to prevent cold damage.
  • Bluetooth: Real-time monitoring, one-click control and viewing via smartphone.
  • 4S4P: Expandable to 64.3kWh home-level energy storage.
  • IP Rating 65: More reliable for outdoor use in rain and dust.
  • Shock-resistant and Durable: Full aluminum internal frame for longer lifespan.
  • 30% faster Heat Dissipation: Built-in cooling fins for greater stability under heavy load.
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12V 314Ah Ultra - 300A BMS

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We offer free shipping within the continental U.S. via UPS Ground or FedEx, with orders typically processed in 1–2 business days and delivered within 2–5 business days. Large products such as 12V 628Ah, 48V 314Ah batteries, or 12kW inverters are shipped by truck (LTL) and require signature upon delivery. After order confirmation, we will contact you by email to confirm shipment, and transportation arrangements typically take about 48 hours. Please note that we do not ship to Alaska, Hawaii, Puerto Rico, or PO Box addresses. Delivery times may vary due to external factors such as carrier delays or weather conditions.

For complete details, please visit:
Shipping Policy.

Our batteries come with a 5-year warranty, which can be extended to 7 years total upon product registration. Accessories are covered by a 1-year warranty, and like-new (refurbished) batteries include a 1-year warranty.

For full terms, conditions, and claim details, please visit:

Warranty Policy.

  • Fast, Free Shipping
    Fast, Free Shipping
  • 30-Day Money-Back Guarantee
    30-Day Money-Back Guarantee
  • Hassle-Free Warranty
    Hassle-Free Warranty
  • Lifetime Customer Support
    Lifetime Customer Support
Payment Method
  • WattCycle 12V 314Ah Ultra Bluetooth LiFePO₄ Battery with 300A BMS
  • WattCycle 12V 314Ah Ultra Bluetooth LiFePO₄ Battery with 300A BMS
  • WattCycle 12V 314Ah Ultra Bluetooth LiFePO₄ Battery with 300A BMS
  • WattCycle 12V 314Ah Ultra Bluetooth LiFePO₄ Battery with 300A BMS
  • WattCycle 12V 314Ah Ultra Bluetooth LiFePO₄ Battery with 300A BMS
  • WattCycle 12V 314Ah Ultra Bluetooth LiFePO₄ Battery with 300A BMS
  • WattCycle 12V 314Ah Ultra Bluetooth LiFePO₄ Battery with 300A BMS
WattCycle 12V 314Ah Ultra Bluetooth LiFePO₄ Battery with 300A BMS
WattCycle 12V 314Ah Ultra Bluetooth LiFePO₄ Battery with 300A BMS
$599.99
$729.99

Tech Specs

General

Dimensions (Inches) 20.63 (L) x 9.65 (W) x 8.66 (H) 
Weight 61.72lbs / 28kg
Waterproof Rating IP65
Warranty Sign Warranty to extend for 7 years
Case Material ABS+PC/UL94 V-0
Terminal M8 bolts

Battery BMS

BMS 300A
Standard/Max. Continuous Charging 62.8V/300A
Max. Continuous Discharge Current 300A
Over-current Discharge Protection 310A±10A
Over-current Charge Protection 310A±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

How to Choose the Version

Version
Size 15.12 x 7.64 x 9.76 inch 15.12 x 7.64 x 9.76 inch 20.63 x 9.65 x 8.66 inch
Weight 59.52 lbs 59.52 lbs 61.72 lbs
Nominal Voltage 12.8V 12.8V 12.8V
Energy 4019Wh 4019Wh 4019Wh
BMS 12.8V 200A 12.8V 200A 12.8V 300A
Bluetooth ×
Low-tem Protection
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