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title: Is it worth upgrading from AGM to Lithium batteries?
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# Is it worth upgrading from AGM to Lithium batteries?

Please take a moment to watch the video below for step-by-step guidance, or follow the step-by-step written directions.

If you need additional help, our After Sales team at Escape Trailer will be happy to assist you. You can submit a support ticket [using this form](https://escapetrailer.com/after-sales-support/). 

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**1. Understand the Two Battery Types**

- AGM (Absorbed Glass Mat): An upgraded version of traditional lead-acid batteries
- Lithium (LiFePO4): A newer, different battery chemistry (lithium iron phosphate)
- Both store power and will work—but they behave differently.

 

**2. Compare Charging Speed**

- Lithium: Charges very fast and can handle a lot of power at once
- AGM: Charges slower, especially when nearing full
- If you use solar panels, lithium makes better use of limited sunlight.

 

**3. Consider Cold Weather Performance**

- Lithium:
  
    - Cannot charge below 32°F (0°C)
    - Can still discharge (use power) in the cold
- AGM:
  
    - Can charge even in freezing temperatures
    - May lose some capacity over time in cold conditions

 

**4. Understand Voltage Behavior**

- AGM:
  
    - Voltage reflects charge level
    - ~12.6V = full
    - ~12.0V = empty
- Lithium:
  
    - Voltage stays almost the same from 100% down to ~20%
    - Requires a battery monitor (shunt) to track charge accurately

 

**5. Compare Lifespan**

- AGM: Typically lasts 2–4 years
- Lithium: Can last 10+ years (about 3–5× longer)

 

**6. Look at Cost vs Value**

- AGM: Lower upfront cost
- Lithium: Higher upfront cost, but longer lifespan = better long-term value

 

**7. Choose Based on Your Needs**

- Pick Lithium if you want:
  
    - Faster charging
    - Longer lifespan
    - Better solar performance
- Pick AGM if you want:
  
    - Lower upfront cost
    - Simplicity
    - Reliable charging in cold weather

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