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Rich Solar ALPHA 3 12V 300Ah LiFePO4 Lithium Battery

SKU RS-B123S
Original price $1,499.99
Original price $1,499.99 - Original price $1,499.99
Original price $1,499.99
Current price $1,199.99
$1,199.99 - $1,199.99
Current price $1,199.99

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Quality Products: We offer outdoor structures from established manufacturers.

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Power More. Worry Less.

The Rich Solar ALPHA 3 is a premium 12V 300Ah LiFePO4 lithium battery built for serious off-grid applications. With 5,000+ lifetime cycles, built-in Bluetooth monitoring, and an internal heating element for cold-climate operation, the ALPHA 3 is the workhorse battery for cabins, RVs, and off-grid power systems that demand reliable, long-lasting energy storage.

Key Benefits

  • 5,000+ Lifetime Cycles — More than 10 years of reliable daily use at 80% DoD
  • Built-In Bluetooth — Monitor state of charge, temperature, and health from your phone
  • Internal Heating Technology — Safe charging down to -4°F (-20°C) for cold-climate use
  • IP65 Waterproof — Protected against dust and water ingress for demanding environments
  • UL94 V-0 Fireproof Shell — Self-extinguishing housing for maximum safety
  • Expandable System — Connect up to 4 in parallel or series (4P4S) for larger systems

Ideal Use Cases

The ALPHA 3 is purpose-built for off-grid cabins, RVs, boats, and backup power systems that need substantial energy storage. Its 3,840Wh capacity and 300A discharge rate make it an ideal match for high-demand loads like inverters, air conditioners, and refrigeration.

Features

  • Built-in 300A Smart BMS with overcharge, over-discharge, short circuit, and temperature protection
  • Individually fused LiFePO4 cells for cell-level safety
  • Low self-discharge rate — holds charge for up to 12 months in storage
  • Lightweight at approx. 68 lbs vs. 100+ lbs for comparable AGM
  • 3-year warranty

Specifications

Nominal Voltage 12.8V
Capacity 300Ah (3,840Wh)
Cycle Life 5,000+ cycles at 80% DoD
Continuous Discharge 300A
Charging Voltage 14.6V
Operating Temperature -4°F to 140°F (-20°C to 60°C) with internal heater
IP Rating IP65
Dimensions 20.5" x 6.8" x 8.7"
Weight ~68 lbs
Warranty 3 Years

What's Included

  • 1x Rich Solar ALPHA 3 12V 300Ah LiFePO4 Battery
  • 1x User Manual

Shipping Information

Ships free to the contiguous 48 states. This item ships via freight due to size and weight. Estimated delivery 5–10 business days after order confirmation.

⚠️ California Proposition 65 Warning: This product contains chemicals known to the State of California to cause cancer and birth defects or other reproductive harm. For more information, visit www.P65Warnings.ca.gov.

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Shipping Timeframes
Orders are processed within 1-3 business days. After shipment, delivery typically takes 4-5 business days. Tracking information will be sent to your email once your order ships.

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Phone: (512) 677-9063

Email: support@keystoneoutdoorsystems.com

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Customer Service Hours: Monday-Friday, 9am-5pm CST

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FAQ

Do your products require assembly?

Most outdoor structures and larger products require assembly. Assembly requirements and installation difficulty vary depending on the product type and size selected. If you have questions before purchasing, our team is available to assist Monday–Friday from 9am–5pm CST via phone, email, or live chat.

How are large products shipped?

Many oversized products ship via freight carrier and may arrive in multiple packages depending on the item and delivery location. Delivery timelines and carrier scheduling may vary based on product size and destination.

Can I contact someone before placing an order?

Absolutely. Our team is available to assist with product questions, shipping expectations, and general outdoor living guidance before purchase. For support please visit our contact page

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Large outdoor products shipped directly to your location.

Product Support

Questions before ordering? Our team is available Monday–Friday.

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