300Ah Cycle Solar 300A 5000+ LiFePO4 RV Cycles Deep for Marine Battery BMS 12V for Sale

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300Ah Cycle Solar 300A 5000+ LiFePO4 RV Cycles Deep for Marine Battery BMS 12V For Sale

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300Ah Cycle Solar 300A 5000+ LiFePO4 RV Cycles Deep for Marine Battery BMS 12V:
$299.00

Description🔥 12V 300Ah LiFePO4 Lithium Iron Phosphate Battery | 5000+ Cycles 🔥

❗️ NOTE: A Suitable LiFePO4 Battery Charger is NOT Included. Please ensure you have a compatible charger (14.4V-14.6V). ❗️

Tired of bulky, short-lived lead-acid batteries? Upgrade to the future of power with our advanced 12V 300Ah LiFePO4 Battery! Engineered for exceptional performance, unparalleled safety, and a incredibly long service life, this battery is the perfect powerhouse for your RV, Solar System, Marine Application, Off-Grid Setup, and more.

📊 Key Specifications at a Glance

Nominal Voltage: 12.8V
Rated Capacity: 300Ah
Energy Storage: 3840Wh (12.8V x 300Ah) - Power for longer!
Charge Voltage: 14.4V - 14.6V
Cut-off Voltage: 10V
Max Continuous Discharge Current: 200A
Over Charge Protection: 14.6V
Cycle Life:
- >2000 cycles at 100% Depth of Discharge (DoD)
- Up to 5000+ cycles at 80% DoD - Lasts 4x longer than lead-acid!
Operating Temperature:
- Discharge: -20℃ ~ 60℃
- Charge: 0℃ ~ 45℃
Dimensions (LxWxH): 520*240*220mm / 20.47*9.44*8.66in
Weight: 26.14kg / 57.63lbs - Lighter and more compact than comparable lead-acid batteries!

✅ Why Choose Our LiFePO4 Battery?

1. SUPER LONG SERVICE LIFE

With over 2000 full cycles (100% DoD) and up to 5000 cycles at 80% DoD, this battery offers a lifespan that is more than 4 times that of traditional lead-acid batteries. This translates to years of reliable service, providing a far superior performance-to-price ratio.

2. ULTIMATE SAFETY

Built with stable Lithium Iron Phosphate (LiFePO4) chemistry, our battery is inherently safe. It undergoes strict safety tests and is highly resistant to thermal runaway, offering you peace of mind in any application, even in demanding environments.

3. HIGH PERFORMANCE & POWER

With a massive 300Ah capacity and a 200A continuous discharge current, this battery can effortlessly run high-wattage appliances, power tools, and inverters. The 400A peak current ensures it can handle surge loads like motor starts without a hitch.

4. BUILT-IN INTELLIGENT PROTECTION (BMS)

The integrated Battery Management System (BMS) provides comprehensive protection, including:

Cell Voltage Balancing for optimal performance and longevity.

5. NO MEMORY EFFECT & LOW SELF-DISCHARGE

Charge your battery anytime without the "memory effect" that plagues other battery types. With an extremely low self-discharge rate of <1% per month, it will hold its charge for much longer during storage.

6. GREEN & ENVIRONMENTALLY FRIENDLY

This battery is green from production to disposal. It contains no toxic heavy metals like lead or cadmium, making it a cleaner choice for our planet.

📦 Package Includes

POERUNI 12.8V 300AH LiFePO4 battery Pack ×1
Terminal Screws ×2 Pairs
Product Manual ×1

(Charger is NOT included)

🛠️ Applications

Solar Energy Storage Systems
RV / Campervan / Motorhome Power
Marine & Boat House Banks
Off-Grid Power Cabinets
Electric Vehicles & Golf Carts
UPS Backup Power
Trolling Motors
High-Power Audio Systems

Payment Policy
Shipping Policy
Returns Policy
CONTACT US
Accepted Payments: We accept all standard payment methods processed securely through .
Shipping Address: We ship ONLY to your registered shipping address. For security reasons, address changes via email or message are NOT permitted. Please verify and update your address before completing the payment.
Unpaid Orders: Serious buyers only. Payment must be received within 7 business days of purchase, or an unpaid item case will be automatically reported to .

📦 Shipping Policy

Handling Time: All items are dispatched via Gofo Express/ USPS / FedEx within 48 hours on business days (Mon-Fri) after payment is cleared. Tracking numbers will be updated on within 48 hours.We have warehouses in both CA and NJ, and you can receive them quickly.
Delivery & Tracking: Delivery times depend on the carrier, local holidays, and weather conditions.
⚠️ Important Note: If your package does not arrive within the estimated delivery time, please check with your local post office or contact us directly via Message FIRST. We will immediately coordinate with the logistics company to locate your package, resend it, or issue a full refund. Please do not open a case before contacting us, as customer satisfaction is our top priority.

🔄 Returns & Warranty Policy

Quality Assured: All items are fully inspected and tested before shipment to ensure they are brand new and in perfect working condition.
30-Day Money-Back Guarantee: We offer a 30-day hassle-free return policy. If your package arrives damaged during transit or fails to meet quality standards, please contact us via Message with photos and a detailed description of the issue. We will gladly arrange a free replacement or a full refund.

⚠️ Important Return Requirements:

Original Condition: Returned items must be in their original, unused condition and sent back with delivery confirmation/tracking.
Your opinion is very important for the success of our business.
If you have any questions during your purchase or after receiving the product, please feel free to contact our customer service and we will reply to you as soon as possible to resolve your issue.
I believe that communication can solve any problem and bring you a perfect shopping experience.
⭐ response
- Your Satisfaction Matters: If you are satisfied with your purchase and our service, leaving us Positive response and a 5-Star Rating is highly appreciated! It greatly supports our store.
- Our Commitment: Once the transaction is successfully completed without issues, we will immediately leave outstanding positive response for you as well.
- Contact Us Before Leaving Negativeresponse: We highly value our reputation, as do most members of the community. If you have any problems, questions, or concerns, please contact us first via Message. We guarantee to work with you until we find a satisfactory solution. Let's communicate and resolve any issues together before leaving any negativeresponse! Thank you for your WARNING (Battery Safety)
  - DO NOT short-circuit, disassemble, crush, or puncture the battery.
  - DO NOT expose the battery to high temperatures, fire, or water.
  - Keep away from metal objects to avoid accidental short circuits.
  - Keep out of reach of infants and children.
  - DO NOT mix old and new batteries, or different types/brands of batteries.
  - Please dispose of used batteries properly in accordance with local environmental regulations.
  Payment PolicyWe support wholesale. If you need to purchase in large quantities, please contact us for better prices.💳Payment Policy
  - Accepted Payments: We accept all standard payment methods processed securely through .
  - Shipping Address: We ship ONLY to your registered shipping address. For security reasons, address changes via email or message are NOT permitted. Please verify and update your address before completing the payment.
  - Unpaid Orders: Serious buyers only. Payment must be received within 7 business days of purchase, or an unpaid item case will be automatically reported to .
  Shipping Policy📦 Shipping Policy
  - Handling Time: All items are dispatched via Gofo Express/ USPS / FedEx within 48 hours on business days (Mon-Fri) after payment is cleared. Tracking numbers will be updated on within 48 hours.We have warehouses in both CA and NJ, and you can receive them quickly.
  - Delivery & Tracking: Delivery times depend on the carrier, local holidays, and weather conditions.
  - ⚠️ Important Note: If your package does not arrive within the estimated delivery time, please check with your local post office or contact us directly via Message FIRST. We will immediately coordinate with the logistics company to locate your package, resend it, or issue a full refund. Please do not open a case before contacting us, as customer satisfaction is our top Policy🔄 Returns & Warranty Policy
    - Quality Assured: All items are fully inspected and tested before shipment to ensure they are brand new and in perfect working condition.
    - 30-Day Money-Back Guarantee: We offer a 30-day hassle-free return policy. If your package arrives damaged during transit or fails to meet quality standards, please contact us via Message with photos and a detailed description of the issue. We will gladly arrange a free replacement or a full refund.
    ⚠️ Important Return Requirements:
    2. Original Condition: Returned items must be in their original, unused condition and sent back with delivery confirmation/tracking.
    CONTACT US
    ✉️Contact Us
    Your opinion is very important for the success of our business.
    If you have any questions during your purchase or after receiving the product, please feel free to contact our customer service and we will reply to you as soon as possible to resolve your issue.
    I believe that communication can solve any problem and bring you a perfect shopping experience.
    response⭐ response
    - Your Satisfaction Matters: If you are satisfied with your purchase and our service, leaving us Positive response and a 5-Star Rating is highly appreciated! It greatly supports our store.
    - Our Commitment: Once the transaction is successfully completed without issues, we will immediately leave outstanding positive response for you as well.
    - Contact Us Before Leaving Negativeresponse: We highly value our reputation, as do most members of the community. If you have any problems, questions, or concerns, please contact us first via Message. We guarantee to work with you until we find a satisfactory solution. Let's communicate and resolve any issues together before leaving any negativeresponse! Thank you for your WARNING (Battery Safety)
      - DO NOT short-circuit, disassemble, crush, or puncture the battery.
      - DO NOT expose the battery to high temperatures, fire, or water.
      - Keep away from metal objects to avoid accidental short circuits.
      - Keep out of reach of infants and children.
      - DO NOT mix old and new batteries, or different types/brands of batteries.
      - Please dispose of used batteries properly in accordance with local environmental regulations.
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