# Lithium iron phosphate batteries and Metal-air batteries

Their prices have moved together.

Source page: https://www.materialinsights.org/links/lithium-iron-phosphate-batteries-and-metal-air-batteries/

[Lithium iron phosphate batteries](https://www.materialinsights.org/energy/e_li_lfp/) (energy) and [Metal-air batteries](https://www.materialinsights.org/energy/e_metal_air/) (energy): 1 relationship.

## How they are linked

### 1. Price link: competitor

*Cost and price · Moderate · Both ways*

For grid storage, iron-air competes with LFP on cost per stored hour over long durations. The two battery indices correlate at 0.48 for yearly moves, but only at 0.01 for monthly moves.

- **0.01** monthly change correlation
- **0.48** 12-month change correlation
- **0.57** fitted elasticity

Built from the site data on production routes, energy flows, industry value chains, input-output tables and prices.