12V 20Ah LiFePO₄ Battery | 256Wh Lithium Battery, 3,000+ Cycles | for RV, Solar, Off-Grid, Marine & Backup

SKU: RS-B1220
Regular price $129.99

Specifications & Downloads

Specifications

Download
  • Nominal Voltage
    12.8V
  • Rated Capacity
    20Ah
  • Nominal Energy
    256Wh
  • Max Charging Voltage
    14.4V
  • Recommended Charge Current
    10A
  • Max Charge Current
    20A
  • Max Continuous Discharge Current
    30A
  • imensions (L × W × H)
    7.1 × 3.1 × 6.5 in
  • Net Weight
    4.6 lbs

Warranty

Customer Support:

Call 800-831-9889 to speak with one of our representatives.

Email: support@richsolar.com

Phone Hours: Mon-Fri 9am-5pm PST


Local Pickup Available at Request:

1900 Mountain Ave
Norco, CA 92860

Warning: Cancer risk and reproductive harm. www.P65Warnings.ca.gov

Payment & Security

Payment methods

  • Ach Direct Debit
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  • Apple Pay
  • Diners Club
  • Discover
  • Google Pay
  • Mastercard
  • PayPal
  • Shop Pay
  • Visa

Your payment information is processed securely. We do not store credit card details nor have access to your credit card information.


Features

Safety & Reliability

  • Built with A+ grade LiFePO₄ cells for superior stability and safety
  • Advanced BMS provides comprehensive protection, including low-temperature charging

Long Lifespan & Efficient Performance

  • 3,000+ cycles at 70% DoD for extended service life
  • 256Wh of stable usable energy output
  • Low self-discharge (≤5% per month) for better energy retention
  • Maintenance-free lithium technology ensures clean and efficient power

Expandable & Versatile Use

  • Supports up to 4 batteries in parallel (4P) for flexible system expansion
  • Ideal for RV, marine, off-grid, and backup power applications

Specifications

1. Battery

  • Nominal Voltage: 12.8V
  • Rated Capacity: 20Ah
  • Nominal Energy: 256Wh
  • Cell Chemistry: LiFePO₄
  • Cycle Life: 3,000+ (70% DoD)
  • Parallel Expansion: Up to 4 units (4P)
  • Certifications: UL 1642, CE, UN 38.3

2. Electrical Performance & Charging

  • Charging Method: CC/CV
  • Max Charging Voltage: 14.4V
  • Discharging Cutoff Voltage: 10.0V
  • Recommended Charge Current: 10A
  • Max Charge Current: 20A
  • Max Continuous Discharge Current: 30A
  • Maximum Peak Discharge Current: 50A (10S)

3. Environmental

  • Charge Temperature: 32°F to 131°F
  • Discharge Temperature: -4°F to 140°F
  • Storage Temperature: 32°F to 131°F (<1 Month) / 32°F to 113°F (>3 Months), ≤90% RH

4. Mechanical

  • Terminals: M6
  • Housing Material: Plastic
  • Dimensions (L × W × H): 7.1 × 3.1 × 6.5 in
  • Net Weight: 4.6 lbs

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RICH SOLAR has been a leader in the off-grid solar industry since 2005, with a focus on bringing the world's best solar products to market while providing world-class customer service.

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