Battle Born Batteries Review: 12V Lithium (LiFePO4) For Camper, RV, Boat, etc

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Battle Born Batteries Review: 12V Lithium (LiFePO4) For Camper, RV, Boat, etc

Are Battle Born Lithium (LiFePO4) batteries superior to AGM batteries for electrical system of campervans, RV, boats, etc? To find out, we replaced the battery bank of our campervan (230Ah AGM) for Battle Born Batteries (200Ah LiFePO4 Lithium) and we've been testing them FULL TIME since June 2019. Here is our review.

1- Jumping to Conclusion

Overall:
4.5/5

"Technology has come a long way. Going for Lithium (LiFePO4) these days is a no brainer as it provides more usable capacity in a smaller package. We, ourselves, upgraded from AGM to Lithium and we're glad we did. Highly recommended!"

What We Like

  • HUGE weight saving over AGM!
  • Reach 100% charge faster than AGM.
  • Last many years more than AGM.
  • Cheaper than AGM in the long run (that's right!).
  • Built-in BMS for safe operation and self-balancing cells.

What We don't like

  • The upfront cost is high.
  • Cannot be charged below freezing temps (but can be discharged).
  • We wished BattleBorn had a more detailed specification sheet. (specs are all over the place and hard to find).

2- Where to Buy Battle Born Batteries

Battle Born Batteries

12V Lithium (LiFePO4) 100Ah

3- Battle Born Batteries Specifications

Discharge

  • 100 amps continuous.*
  • 200 amps surge current (30 seconds).
  • 1/2 second surge for larger loads.
  • Usable Capacity: 80Ah (80% D.O.D. is best for economics), but can be fully discharged without damage.
  • Lifespan: 3000 cycles.

Charge

  • Recommended: 50 amps for maximum lifespan (but can be charged up to 100 amps).
  • Profile: Same as AGM (can be charged with any smart charger with AGM settings).
  • Automatic cells balancing.

Temperature

  • Charge: 25 to 135F (-4 to 57C).
  • Discharge: -4F to 135F (-20 to 57C).
  • The BMS will not allow charge/discharge out of this range.

Others

  • Weight: 31 lbs.
  • Dimensions: 12.75in x 6.875in x 9in.
  • Terminals: 5/16" bolts included.
  • Built-In BMS (Battery Management System) to prevent out-of-range operation.

*100 amps continuous discharge current PER BATTERY. This means:

BATTERY QUANTITYCONTINUOUS DISCHARGE CURRENT ALLOWEDMAX INVERTER CAPACITY
1 (100Ah total)100A1000W
2 (200Ah total)200A2000W
3 (300Ah total)300A3000W
etc.etc.etc.

4- Lithium (LiFePO4) VS AGM

Comparing 100Ah Lithium battery (100% usable capacity) with 200Ah AGM battery (50% usable capacity):

 210Ah AGM100Ah LITHIUM
USABLE CAPACITY100Ah100Ah
WEIGHT133 lbs31 lbs
TOTAL LIFE CYCLE*12003000
UPFRONT COST$650$950
COST PER CYCLE*$0.54$0.32
LENGTH21″12.75″
WIDTH8.5″6.875″
HEIGHT9.5″9″

*For full time Vanlife (1 full cycle daily), it means an AGM battery will cost roughly $200 per year to operate and will last 3.5 years; while a Lithium battery will cost roughly $120 per year to operate and will last 8 years.

Battle-Born-Batteries-Lithium-LiFePO4-vs-AGM

5- Camper Wiring Diagram & Electrical System

Designing and building the electrical system of a camper (van, skoolie, small RV, etc.) is by far the most overwhelming task of a conversion… trust us we’ve been through that! To get you started, we made our own wiring diagram available and wrote an extensive Electrical System Guide:

Wiring Diagram

Electrical System Guide

6- Reliability of Battle Born Batteries

Battle Born Batteries come with 10 years warranty.

We installed our Battle Born Batteries in June 2019 and they’ve been working flawlessly since then. Subscribe to our Mailing List to be notified if anything happens!

- That's it folks, hope that helps! -

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about us

Nice To Meet You.

Hello! We’re Isabelle and Antoine 🙂 In 2017 we sold our house (and everything in it), quit our engineering careers and moved into our self built campervan. We’ve been on the road since then and every day is an opportunity for a new adventure; we’re chasing our dreams and hopefully it inspires others to do the same!

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3 thoughts on “Battle Born Batteries Review: 12V Lithium (LiFePO4) For Camper, RV, Boat, etc”

  1. Hi Guys,

    From your “3- BATTLE BORN BATTERIES SPECIFICATIONS” and “4- LITHIUM (LIFEPO4) VS AGM” it seems to me that one Li battery is equal to one Pb acid. But you got two (I think, only based on your picts, I dont think you said that). I realize that 100 Ah doesnt equal 210Ah, but you can only use 50% of the 210Ah.

    I must be missing something.

    Confused, Don

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