Free Shipping & Tax-Free. Call or Text: 888-332-7989 for Expert Advice & Today's Best Price.

FREE SHIPPING • NO SALES TAX

Speak With An Energy Specialist:

+18883327989
support@energysystemscentral.com
Hot
New
In stock
Pre-order
Out stock

Lion Energy UT 3500 BT-H Lithium Iron Phosphate battery

By: Lion Energy SKU: 50170186 IN STOCK
$1,499.00
FOUND A LOWER PRICE?

Let us know and we will beat it. Get the best deal online, Always.

Authorized Dealer
Full Manufacturer Warranty Included
Free Shipping, No Sales Tax
Free Shipping To The Lower 48
30 Day Return Window
Clear Policies. No Runaround.
Specialist Support Team
Pre And Post Purchase Assistance
ESTIMATED DELIVERY BETWEEN
Loading dates
Order within 00h 00m to get it by the earliest date.
Description Shipping & Easy Returns Why Buy From Us

The Lion Energy UT 3500 BT-H battery delivers nearly three times the power of a standard UT 1300 BT-H, with 280Ah of long-lasting LiFePO₄ cells for reliable, maintenance-free energy. Compact yet powerful at 72.31 lbs, it features a built-in heater for cold-weather performance, Bluetooth® monitoring, and supports series, parallel, or series-parallel configurations up to 48V. Ideal for RVs, off-grid setups, and high-demand backup systems.

Features

  • 280Ah / 3,584Wh LiFePO₄ battery with long lifespan
  • Nearly 3X the power of a UT 1300 BT-H
  • Built-in heater for optimal cold-weather performance
  • Continuous discharge 150A, peak 280A (50 sec)
  • 24% lower cost per amp-hour compared to three UT 1300 BT-H batteries
  • LED indicators display charge from 10%–100%
  • Bluetooth® app monitoring via myapp.lionenergy.com
  • Supports series, parallel, or series-parallel up to 48V
  • Maintenance-free and durable
  • Quick reset for low voltage, short circuit, or high temp

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
  • Peak Discharge: 280A (50 sec)
  • Low Voltage Cut-Off: 10.5V safety shutoff
  • Recommended Charging: Standard 45A, Max 140A, Max Voltage 14.6V
  • Operating Temperature: Charging 32–113°F, Discharge −4–131°F
  • Storage Temperature: 14–95°F (45–85% RH)
  • Internal Heater: Auto-heats below 32°F, turns off at 41°F
  • LED Indicators: 1–5 LEDs for 10%–100% charge
  • Configuration: Series, parallel, or series-parallel up to 48V, use 3/8″ eyelets

Other Details

  • Certifications: FCC, UL 1642, RoHS, CE
  • Warranty: Limited lifetime warranty
  • Ideal for high-demand applications, RVs, off-grid solar setups, and backup systems
  • Durable, maintenance-free, and compact for easy installation

Key Specs

  • Capacity: 3584Wh
  • Battery Chemistry: LiFePO
  • Nominal Voltage: 12.8V
  • Compatible Systems: RV, Off-grid, Backup

Free Shipping Across the United States.Read our full Shipping Policy here.

Market-Leading 30-Day Returns Process.Read more about our Returns Policy here.

Choosing the right retailer matters, especially for critical power and off-grid systems. Here’s what sets Energy Systems Central apart.

  • Free Shipping Nationwide: Transparent pricing with no hidden fees at checkout.
  • Best Price Assurance: If you find the same product offered for less, we’ll review and match it where applicable.
  • Easy 30-Day Returns: Clear, straightforward return policies designed for peace of mind.
  • Expert-Led Support: Speak directly with knowledgeable specialists who understand the products. Call us at 888-332-7989.

FREQUENTLY ASKED
QUESTIONS

Yes. We provide free standard shipping on all orders shipped within the United States. Shipping costs are included in the listed price with no hidden fees at checkout.

Most orders are processed within 1 to 2 business days. Delivery times typically range from 3 to 7 business days depending on your location, carrier scheduling, and product size.

We offer a 30 day return window for eligible products that are unused and in original condition. Our support team will guide you through the return or exchange process if needed.

Absolutely. Yes. Our knowledgeable product specialists are available by phone, live chat, or email to help you select the right equipment for your application.

Most products include a manufacturer warranty, typically starting at one year. Warranty terms vary by brand and model and are listed on each product page.

Yes. We are an authorized retailer and only sell brand new, genuine products sourced directly from manufacturers or their approved distributors.

Lion Energy UT 3500 BT-H Lithium Iron Phosphate battery

Lion Energy UT 3500 BT-H Lithium Iron Phosphate battery

$1,499.00