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XS Power  RSV-S5

1,000A Max Amps 12V Lithium Battery

Item #56624

Condition:   Brand New

Product Highlights

  • Max Current: 1,000A
  • Voltage: 12V
  • Type: Lithium Battery

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$749.99

Reg. Price $862.99  Save $113.00
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  Free 2-Years Warranty Included!
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XS Power RSV-S5 1,000A Max Amps 12V Lithium Battery


We are a XS Power Authorized Dealer so you get up-to-date, fully warrantied products. Shipping is free to the lower 48 states on everything you order!

What's Inside?
  • • 12V Lithium Battery
  • • Owner's Manual
RSV-S5 Titan8 12V LTO Reserve Module – 2,500W

Build a powerful, expandable energy system with the XS Power RSV-S5 Titan8 Lithium Titanate Oxide (LTO) Reserve Module. Designed for greater storage capacity and deep cycling, this 12V module delivers up to 1,000A and 2,500W while providing multiple connection options for customized battery bank configurations.

 


Frequently Asked Questions (FAQ)


  • • Why can the RSV-S5 show a lower voltage than expected while still working normally?
    LTO batteries can operate across a wider voltage range than traditional AGM batteries, so seeing the RSV-S5 around the low-13V or even high-12V range does not automatically mean it is failing. Owners of XS Power Titan 8 batteries have specifically noted that these lithium batteries can operate around 12.1–13.0V by design.
  • • What should I do if an RSV-S5 arrives with a very low state of charge?
    One verified buyer reported receiving an RSV-S5 at approximately 11.28V, indicating only about 8% state of charge, and successfully brought it back to 100% using a 12V lithium charger. This shows why checking the battery's initial voltage and using an appropriate charging method can be important after delivery.
  • • Can the RSV-S5 be a poor choice for extremely high-burst car-audio systems?
    This is an important real-world consideration. In an enthusiast discussion, a user specifically recommended the PWR-S5 rather than the RSV-S5 for demanding car-audio applications because the RSV model was viewed as better suited to reserve-type applications than very high burst output.
  • • Could choosing the RSV-S5 instead of the PWR-S5 affect a high-power audio build?
    Yes, the intended use should be considered before purchasing. The RSV-S5 is rated at 2,500W and 1,000A maximum, while the PWR-S5 is rated for substantially higher burst output; users discussing the two models have pointed out this difference when planning powerful audio systems.
  • • Can the RSV-S5 work well even when used as a reserve battery?
    Yes. Actual buyers have reported running the RSV-S5 successfully in daily-driver sound systems, with one verified customer calling it a top-quality option for their vehicle's audio system. Another buyer reported that two units charged properly and were running their system well.
  • • Why might the RSV-S5 seem expensive compared with a conventional AGM battery?
    Price is a genuine customer concern: one verified RSV-S5 reviewer described it as a premium lithium battery but specifically mentioned that it was expensive. The trade-off is its 8-pound weight, 20Ah capacity, 1,000A maximum output, and 2,500W system rating.
  • • Can damaged packaging be a concern when ordering the RSV-S5 online?
    One verified buyer reported that the package arrived damaged, although the RSV-S5 itself worked flawlessly. This appears to be an isolated shipping issue rather than evidence of a recurring battery defect, but checking the case and terminals immediately after delivery is still sensible.
  • • Does the RSV-S5 need special attention when connecting it to an AGM battery?
    Combining different battery technologies should not be treated as a simple plug-and-play upgrade. In an XS Power-related discussion, users specifically debated whether AGM and Titan 8 lithium batteries should share the same circuit and recommended confirming compatibility with XS Power before making the connection.
  • • Can the RSV-S5's compact size create mounting or cable-routing challenges?
    Its small 7.4 × 4.85 × 5-inch case is a major advantage, but compact batteries can require custom mounting depending on the vehicle. The RSV-S5 uses M6 terminal hardware, so installers should also verify that their cable lugs and mounting arrangement provide adequate clearance.
  • • Are there widespread reports of RSV-S5 battery failures?
    The direct feedback available for this exact model is currently limited but predominantly positive. Verified buyers have described the battery as working flawlessly or running their systems well, while another owner of a used RSV-S5 called it an “amazing lithium battery”; the available evidence does not indicate a recurring RSV-S5 failure problem.

SPECIFICATIONS



FEATURES


Features:

  • Weight Lbs.: 8lbs
  • Weight Kgs.: 3.63kgs
  • Length: 7.4 in
  • Height: 5 in
  • Width: 4.85 in
  • Voltage: 12V
  • Wattage: 2,500
  • MAX Amps: 1,000
  • Energy Wh: 230
  • CA: 500A
  • CA Pb Eq: 750A
  • Ah: 20
  • Ah Pb Eq: 60
  • M6 Terminal Hardware Included
  • UPC: 692209054351
  • Weight: 11
  • Authorized Internet Dealer
Warranty: 2 Year(s) Warranty.
This item is accompanied by a manufacturer's warranty. If it is found to be defective, it may be returned to OnlineCarstereo.com for replacement within 2 Year(s) from the original date of purchase with proper return authorization.

Do you own this product?

Write a review!
  • Nice premium lithium battery. Just a bit expensive though.

    Jabari
    2/16/2024

  • Glad to have the battery in my car. Works great. Just what I hoped for. Excellent performance

    Keymer
    4/4/2024

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