1. Deep Discharge and Usable Power
AGM and lead acid batteries should only be discharged to about 50% to preserve lifespan. If you have a 100Ah AGM, you can only safely use about 50Ah. LiFePO4 batteries allow you to use up to 90% or more, so a 100Ah pack gives you almost the full 100Ah usable.
2. Longevity and Value
LiFePO4 batteries commonly exceed 2,000 full discharge/charge cycles, dramatically cutting replacement costs over the years.
3. Weight and Portability
For vanlifers, RV owners, or anyone who needs to move their battery often, LiFePO4’s lighter weight is a huge advantage.
4. Faster and Simpler Charging
LiFePO4 batteries accept higher current safely, allowing for faster charging and easier integration into solar setups.
5. Maintenance and Safety
Forget topping up water or acid spills—LiFePO4 batteries are completely sealed and maintenance-free.
Are AGM or Lead Acid Batteries Still Useful?
They remain a budget-friendly solution for…
Occasional use or backup.
High-initial current draws (such as engine starting).
Where lowest upfront cost is essential.
When to Upgrade to LiFePO4
You want a no-fuss, maintenance-free power supply.
You need longevity and cost-effectiveness over time.
You’re building or upgrading an off-grid solar or portable power setup.
Want to explore more about safety and size considerations? Read:
- What Is a LiFePO4 Battery? Benefits Explained
- How Safe Are LiFePO4 Batteries? Fire, Overcharge, and Warranty
- Best Portable Power Stations for RVs: Australian Buyer’s Guide 2025
