Epoch Batteries 12V 334Ah Essential Series 12334A-H | LiFePO4 Battery (4.28kWh) | Heated, Bluetooth, Group 31

Specifications

Product name: Epoch 12V 334Ah Essential Series LiFePO4 Battery

Model / SKU: 12334A-H

Primary use: Deep-cycle RV, marine, van, solar, backup, and 12V house-power systems

Group size: BCI Group 31

Nominal voltage: 12.8V

Nominal capacity: 334Ah @ 0.2C

Stored energy: 4.28kWh / approx. 4,275Wh

Chemistry: LiFePO4 / Lithium iron phosphate

Cell configuration: 4S1P prismatic LiFePO4

Max continuous discharge: 200A

Recommended discharge current: 167A (0.5C)

Max continuous charge: 200A

Recommended charge current: 167A (0.5C)

Peak discharge: 400A for up to 3 seconds

Operating voltage range: 10.0V – 14.6V

Max charge voltage: 14.6V

Bulk / absorption voltage: 14.2V – 14.4V

Absorption end condition: Charge current ≤ C/20 (16.7A) or 15 minutes, whichever comes first

Float voltage: Disabled preferred, or 13.3V – 13.6V

Re-bulk voltage: 13.2V

Equalization: Disabled

Temperature compensation: 0mV/°C (off)

Charger temperature limit setting: 0°C to 55°C / 32°F to 131°F, unless the charger has approved cold-charge logic

BMS high-voltage cutoff: 14.6V

Series connection limit: Up to 4 batteries in series

Parallel connection limit: Up to 16 batteries in parallel

Maximum configuration: 4S16P; up to 5,344Ah with 16 matched batteries in parallel

Bluetooth monitoring: Yes — Epoch Li-Ion app (iOS and Android)

Bluetooth security PIN: Printed on the battery’s lid; can be changed in the app (Advanced Settings)

Current sensing: BMS-integrated shunt; 0.2A accuracy on discharge

Internal heating: Yes — for cold-weather charging

Charge temperature range: -20°C to 55°C / -4°F to 131°F with heating

Low-temperature charge protection: Charging disabled at 0°C / 32°F; resumes automatically at 5°C / 41°F

Heater activation: Charger connected and supplying at least 0.5A; powered by incoming charge current only, never stored battery energy

Heating system: Tested to -20°C / -4°F; rated for external ambient down to -40°C / -40°F

Discharge temperature range: -20°C to 60°C / -4°F to 140°F

Storage temperature: 0°C to 35°C / 32°F to 95°F recommended

Long-term storage: Charge to about 50% state of charge or higher; check at least every 3 months

Cycle life: 4,000+ cycles

IP rating: IP54 per IEC 60529 — dust-protected and splash-resistant; not submersible

Dimensions: 13.75 in L at base / 15.5 in at handles × 7.63 in W × 10.0 in H / 10.5 in with terminal bolts

Weight: 60 lb / 27.22 kg

Terminal: M8 threaded terminal

Terminal torque: 8–12 N·m (71–106 in-lb)

Warranty: 11-year limited manufacturer warranty

BMS protection: Overcharge, over-discharge, over-current, short circuit, high and low temperature

Cell-level certifications: UL 1642; IEC 62619 (the cells, not the complete battery)

Label markings: CE; RoHS; UN 38.3

In the Box

• 1 x Epoch 12V 334Ah Essential Series LiFePO4 battery (12334A-H)

12334A-H Technical Data Sheet
12334A-H User Manual
12334A-H Spec Sheet
Epoch LiFePO4 Safety Data Sheet

Epoch Batteries Limited Warranty

Warranty Period
11-year limited manufacturer warranty

Epoch Batteries-branded products are covered against qualifying defects in materials and workmanship for the applicable warranty period, subject to Epoch's model-specific remedy schedule and the terms of its warranty policy. Epoch-branded chargers carry a 2-year limited warranty and accessories (such as fuel gauges and voltage reducers) a 1-year limited warranty, from the original purchase date.

Registration
Register your battery with Epoch within 90 days of purchase for full warranty coverage. If it is not registered within that time, the warranty period begins from the battery's original manufacturing date. Proof of ownership is required for any claim, and coverage is non-transferable and applies only to the original purchaser.

Remedy
After inspection and testing, Epoch will provide the applicable remedy for a qualifying manufacturing defect: an approved repair, a replacement, or a comparable-product offer according to the model's schedule. Typical repair turnaround is 3–10 business days once the product is received.

Exclusions
Coverage may be denied when a failure is caused by misuse, improper handling, installation or storage, or use outside the product's specifications. Examples include an unsecured battery; loose, corroded or improperly connected terminals; series or parallel connections beyond the manufacturer's recommendations; reverse polarity or short circuits; impact, fire or water submersion; storage above 140°F or below -40°F; prolonged storage fully discharged or batteries left uncharged for more than three months; poor crimps, undersized cables or damaged wiring; opened, modified or tampered products; and use in applications the battery was not designed for, including repeated engine starting on non-cranking models.

Obtaining Warranty Service
Start a claim through the Epoch Batteries Warranty Portal with your model and serial number, proof of purchase, a description of the issue and supporting photos or videos. If approved, Epoch provides an RMA number and packing instructions. Do not ship a product without a valid RMA. The customer arranges and pays for shipment to Epoch, packaged in compliance with lithium battery shipping rules. Epoch Batteries can be reached at 1-888-501-1846 or support@epochbatteries.com.

Visit Epoch's Warranty Page to review the full warranty terms.

Shipping is typically through freight carriers and the actual shipping time is contingent on your location and the specific warehouse dispatching your order. Please allow for a 1-3 business day processing period before shipment, and an estimated delivery time of up to 7 business days. Your confirmation email will include delivery details and we will send you a tracking number as soon as one is available. If you ordered several separate items, you may receive multiple tracking numbers. Once the item has been shipped, the freight service will contact you to coordinate the date and time of delivery. If you require any special accommodations during delivery please let us know as soon as possible and let the delivery company know when arranging the appointment.

Typically, orders will be dropped off either curbside or outside your front door or garage. It is your responsibility to bring the order inside or to its final destination and to remove any existing items.

Depending on the item, parts may be shipped in multiple boxes, and assembly may be required. When your order is delivered, please check that you have all pieces of the item and that nothing is damaged. If your order is damaged during transit and external damage is visible, note the damage immediately, write it on the delivery documents, take photos and/or videos, and refuse shipment. If there is no visible external damage, accept the package but note “subject to concealed damage” on the delivery documents. Any damage upon delivery needs to be reported within 24 hours of delivery or you may not be eligible for a refund. For additional information on submitting claims, as well as incorrect item exchanges, and replacements, please see our Refund Policy.

For more information about shipping, please visit our complete Shipping Policy.

Why Shop With Eco Emperor?

At Eco Emperor, our mission is to empower you to lead a sustainable and fun lifestyle with ease and confidence. Whether you're upgrading your outdoor experience or enhancing your eco-conscious journey, here’s why choosing us is a decision you can feel great about:

Expert and Customized Care
Our knowledgeable and friendly team is here to support you every step of the way. We pride ourselves on providing personalized service and swift responses to ensure a smooth and satisfying experience. Our dedicated team is available via phone, email, and live chat to provide you with prompt and helpful support.

Authorized Retailer of High-Quality, Trusted Products from Leading Brands
We partner with the best brands in the industry to bring you reliable, high-quality products. As authorized retailers, we guarantee authenticity and offer full manufacturer warranties on every item. You can trust that our products are built to last and perform efficiently.

Free & Fast Shipping
We know you’re eager to begin your new products or start your next outdoor adventure. That’s why we prioritize quick, reliable, and free shipping to get your orders to you on time and in perfect condition.

Competitive Pricing
We believe that sustainable living should be accessible to everyone. We offer competitive pricing on all our products, so you can enjoy high-quality eco-friendly solutions and outdoor products without breaking the bank.

Choose Eco Emperor for all your outdoor and eco-friendly product needs, and become part of a movement that’s embracing a more sustainable and adventurous lifestyle.

Thank you for supporting a greener, cleaner future, while enhancing your outdoor experiences and powering your adventures.💚