Lion Energy UT-3500 BT-H HTR 12.8V 280Ah (3584Wh) LifePO4 Bluetooth Battery 50170186

Specifications

Weight: 72.31 lbs

Dimensions: 13.85″ × 7.64″ × 12.85″ (L × W × H)

Battery Chemistry: Lithium Iron Phosphate (LiFePO₄)

Rated Capacity: 280Ah / 12.8V nominal (3,584Wh)

Minimum Capacity: ≥266Ah, ≤2mΩ internal resistance

Continuous Discharge: 150A continuous / 280A peak (50 sec)

Low Voltage Cut-Off: 10.5V safety shutoff

LED Indicators: 1–5 LEDs show charge from 10% to 100%

Reset Instructions: Quick press resets low voltage. Press/hold 4–5 sec resets short circuit or high temp

Bluetooth® App: Monitor battery status via myapp.lionenergy.com

Configuration: Supports series, parallel, or series-parallel up to 48V. Use 3/8″ eyelets

Recommended Charging: Standard: 45A / Max: 140A / Max Voltage: 14.6V

Operating Temperatures: Charging: 32–113°F / Discharge: −4–131°F

Storage Temperature: 14–95°F (45–85% RH)

Internal Heater: Auto-heats below 32°F and turns off at 41°F

Certifications: FCC, UL 1642, RoHS, CE

In the Box

• 1x Lion UT 3500 BT-H
• 1x User Manual

Manuals & Resources
UT-3500 BT-H HTR 12.8V 280Ah (3584Wh) LifePO4 Bluetooth Battery Product Manual
UT-3500 BT-H HTR 12.8V 280Ah (3584Wh) LifePO4 Bluetooth Battery Product Brochure

Learn more about why Lion Energy's lithium iron phosphate technology is one of the safest on the market in the Lion Energy Safety White Paper.

Lion Energy Limited Lifetime Battery Warranty

Warranty Repairs/Replacements
For repair or replacement, contact customer service at 1-385-375-8191. Do not ship unit until you receive a Return Merchandise Authorization (RMA) number from customer service at Lion Energy. Lion Energy will not be responsible for any shipping or handling damage.

Limited Warranty
This warranty for the unit is extended to the original purchaser or user, and it covers defects in materials and workmanship. The UT 3500 BT-H has a limited lifetime warranty on the battery cells, rated at 80% of the capacity (280Ah x .8 = 224Ah).

Under extreme use (maximum charge and discharge rates) the battery cells expected life cycle is 3500. At "normal usage" the expected life cycles will be greater.

This warranty is invalidated if any of the following occurs, but not limited to:

• Failure to follow the instructions in the User's Manual.
• Accidental damage, unreasonable use, misuse, or overloading. Excludes normal wear and tear.
• Extended storage without recharging or repairs done by an unauthorized person or modification.
• Opening or modifying the battery casing.

This warranty is in lieu of all other express warranties. Lion Energy will not be liable for consequential or incidental damages. Changes or modifications not expressly approved by Lion Energy could void the user's authority to operate this device.

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.

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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:

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