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

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

SKU: 50170186

$2,099.00

Lion Energy UT 3500 BT-H | 280Ah LiFePO4 Bluetooth Battery with Built-In Heater

Power your adventures with nearly 3x the energy of the UT 1300—compact, safe, and built to last a lifetime.

The Lion Energy UT 3500 BT-H delivers 280Ah of LiFePO4 lithium power, making it one of the most efficient ways to expand your off-grid or backup energy system. Roughly the size of two standard batteries but nearly triple the capacity of the UT 1300, it cuts down your footprint while boosting your runtime. At just 72 lbs, it’s a high-capacity solution that’s easy to handle, built with a built-in heater for cold climates, and Bluetooth monitoring to keep you in control.

Perfect for RVs, off-grid cabins, solar banks, or emergency power backup, the UT 3500 BT-H combines Lion Energy’s industry-leading lifetime warranty with long-lasting reliability and the safety of LiFePO4 technology.

Key Benefits

3X the Capacity – 280Ah of usable energy, nearly three times the UT 1300.
Space Saver – Same footprint as 2 batteries, replaces 3 UT 1300s.
Lower Cost per Ah – About 24% cheaper than buying three 1300s.
Built-In Heater – Maintains performance in cold weather.
Bluetooth Monitoring – Track capacity, charge/discharge, and usage via the Lion Energy Smart app.
Travel Ready – Long shelf life with 1+ year charge retention.
Safe LiFePO4 Chemistry – Stable, non-toxic, no off-gassing.
Lifetime Warranty – Peace of mind for long-term use.

Specifications

Capacity: 280Ah
Battery Type: LiFePO4 (Lithium Iron Phosphate)
Max Continuous Discharge: 150A
Max Peak Discharge: 280A (50 sec)
Charge Retention: 1+ year
Posts: Stainless steel
Weight: 72.31 lbs
Dimensions: 13.85" L x 7.64" W x 12.85" H
Warranty: Lifetime (cells rated at 80% capacity at 3,500+ cycles under normal usage)

Bluetooth Monitoring

Stay in control with the Lion Energy Smart App:

Check remaining capacity in real time
Monitor charge and discharge status
View energy usage trends
Connect wirelessly from your phone or tablet

Safety First

The UT 3500 BT-H is built with Lithium Iron Phosphate (LiFePO4)—the safest lithium battery chemistry available. Unlike volatile chemistries, it emits no fumes, won’t off-gas, and is safe for indoor use in homes, RVs, tents, or cabins. Each unit undergoes extensive testing from design through production to ensure consistent, reliable performance.

Warranty

Lifetime warranty covers battery cells at 80% of rated capacity (280Ah → 224Ah minimum).
Expected cycle life: 3,500+ cycles under heavy use, even longer under normal conditions.
Warranty excludes misuse, unauthorized repairs, or failure to follow the User Manual.
For service, an RMA number must be obtained before shipping back the unit.

Order Processing Time:	Standard Processing : 1 to 2 business days (orders after 6 PM processed next business day). Please allow 4-7 days for delivery for products in stock. Want to delay delivery for a later date? No problem! Just contact us.
Shipping rates and Delivery:	Orders over $200: Free Shipping. Orders under $200: $15 flat shipping fee. Shipping limited to the United States. Shipping Methods: Freight carriers (18-wheel trucks) used for most orders. Freight items require curbside delivery appointment (phone number required at checkout).

We aim to ensure your shopping experience with us is hassle-free, and to achieve that, we've streamlined our return and refund process for clarity. Here's a breakdown of our policy: Return Time Frame: You have a 30-day window from the date of purchase to initiate a return. Unfortunately, if it surpasses the 30-day period, we won't be able to accept the return. Shipping Cost: In cases where the item is defective or not as expected, we cover the shipping cost for the return. However, if the return is due to a change of mind, you are responsible for the return shipping expenses. Defective or Broken Products: If the product is faulty or damaged, notify us within 30 days. We'll facilitate the return at no additional cost. Once we receive the item and verify the issue, we'll either provide a replacement or issue a refund, including the original shipping charges. Change of Mind Returns: Should you decide to return an item within 30 days for reasons unrelated to defects, you will need to cover the return shipping costs. Ensure the item is unused and in its original packaging. Upon receipt, we will refund the item's cost, excluding the shipping fee. Refunds: Following the reception and assessment of the returned product, we will notify you via email. The refund, processed within 7 business days, will be credited to the original payment method. Note that banking institutions may take some time to reflect the refund. If more than 10 business days elapse without the refund appearing, please reach out to us at support@summitprestige.com. Please be aware that certain scenarios may involve a restocking fee. For any further inquiries regarding returns or refunds, feel free to contact our friendly Customer Support team at support@summitprestige.com.

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