Epoch Batteries 12V 300Ah | Heated & Bluetooth | LiFePO4 Battery - Epoch Essentials
Get it between June 20 and June 22.
Low in stock
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At MarineXGear, we are proud to have the best refund and return policies in the industry. If you’re not satisfied with your purchase for any reason, you may return it to us within 30 days for a refund.
If you have a problem with our order (there are missing components, damages, or the product is not functioning), please reach out to us as quickly as possible. Some of the problems can be resolved by going through the product manual or the product FAQs.
Refer to our Refunds & Return Policy for more details.
Order Processing
Once we receive your order, we will send you a confirmation email. Then we will process the order by confirming that the product is in stock and ready for shipment. If any of the items in your order are back-ordered, we will reach to you via email or phone and you may choose to either wait or receive a 100% refund.
Please allow 1-3 days for processing your order.
Shipping
We ship to the lower 48 continental United States only at this time.
Shipping times and shipping method will depend on the specific product and brand you purchase. If you have any shipping question, feel free to ask on the chat or email us at info@marinexgear.com.
We will send tracking information by email the same day the shipping tracking number is created/available.
Before you sign the shipping bill, please THOROUGHLY INSPECT YOUR ITEM. Signing for the receipt of a damaged product removes the liability of the shipping company and MarineXGear. Once you accept your shipment as non-damage, your item is your property.
Epoch Batteries 12V 300Ah | Heated & Bluetooth | LiFePO4 Battery - Epoch Essentials
Epoch Essentials 12V 300Ah Heated & Bluetooth LiFePO4 Battery: Power Beyond Limits
Ditch bulky lead-acid with this game-changing 12V 300Ah LiFePO4 battery. Pre-heat for cold weather, monitor via Bluetooth and enjoy 4000+ cycles & an 11-year warranty. Lightweight, safe, and powerful - conquer any off-grid adventure!

Features:
- Built-in heating element for optimal cold-weather performance
- Bluetooth monitoring via iOS & Android apps
- Smart Battery Management System (BMS) for ultimate safety & longevity
- Up to 4000+ charge cycles (10x lead-acid!)
- 11-year manufacturer warranty
- IP67 dustproof & waterproof
- Built-in handles for easy transport
Benefits:
- Uninterrupted power in any weather (even sub-zero!)
- Real-time battery health monitoring from your phone
- Extend battery life & minimize maintenance
- Power-demanding appliances for longer
- Worry-free peace of mind for years to come
- Go further, explore longer
- Effortless portability & installation
Specs:
- Weight: 58 (LBS)
- Dimensions: 13.75" @ Base, 15.5" @ Handles (L) x 7.75" (W) x 10.5" (H)
- Cell Configuration: 4S1P
- Chemistry: LiFePO4
- Ah Capacity: 300Ah
- Max Continuous Discharge Amps: 200A
- Max Discharge Peak Current Amps: 400A @ 3s
- Series | Parallel: Max (4) in Series, Max (4) in Parallel
- Voltage: 12.8V
- Max Charge Voltage: 14.6V
- Operating Voltage Range: 10.0 - 14.6V
- Charge Temp Range: -20°C (-4°F) / 55°C (131°F) (with heating)
- Discharge Temp Range: -20°C (-4°F) / 60°C (140°F)
- Storage Temp: 0°C (32°F) / 35°C (95°F)
Why Choose MarineXGear
At MarineXGear, we believe true peace of mind on the water starts with having the right equipment. Our mission is simple: to be the trusted destination for premium marine gear and dependable on-water solutions. Every product we carry — whether navigation systems, safety equipment, marine electronics, or boat accessories — is carefully chosen to help you perform at your best, stay safe, and get the most out of every voyage.
A+ Customer-First Approach
We're more than an online store — we're your partner on the water. Unlike large, impersonal retailers, our dedicated team delivers personalized guidance at every step. Whether you're outfitting a vessel for the first time, upgrading your gear, or need expert advice on a specific product, our specialists are always just a call or email away.
Passion for Wellness & Resilience
Our brand is built on a genuine love for the sea. We live and breathe marine equipment — and when you reach out to MarineXGear, you'll connect with experts who understand both the technical specs of our products and the on-water lifestyle they support.
Trusted Experts, Curated Brands
We partner directly with the most respected names in the marine industry. Our curated selection ensures every product meets our high standards for quality, durability, and performance on the water. With MarineXGear, you shop with confidence, knowing you're investing in proven gear backed by full manufacturer warranties.
More Reasons to Choose MarineXGear
- Price Match Guarantee – We’ll match any competitor to ensure you always receive the best value.
- Free Shipping – Enjoy free delivery on most orders across the lower 48 U.S. states.
- 100% Secure Ordering – Our platform uses SSL encryption to protect your information.
- Exclusive Packages & Volume Discounts – Customized solutions available for clinics, wellness centers, and large orders.
- Authorized Dealer – Every order is protected with full manufacturer support and warranties.
At MarineXGear, we're committed to keeping you safe, equipped, and confident on the water. With our expertise, personalized service, and carefully curated selection, you can invest in your vessel and your adventures with complete peace of mind.
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