Tattu 3s LiPo Battery 75C (11.1V/450mAh) [TAT-75C-450-3S1P-XT30] and RadioMaster ER4 ExpressLRS (ELRS) 2.4GHz 4-Channel Receiver [RM-HP0157.RX-ER4] are compared below on the data published by their sellers — price converted to euros, stock, and every specification either seller discloses. On price, Tattu 3s LiPo Battery 75C (11.1V/450mAh) [TAT-75C-450-3S1P-XT30] is €4.58 cheaper ($12.19).
| Criterion | Tattu 3s LiPo Battery 75C (11.1V/450mAh) [TAT-75C-450-3S1P-XT30] | RadioMaster ER4 ExpressLRS (ELRS) 2.4GHz 4-Channel Receiver [RM-HP0157.RX-ER4] |
|---|---|---|
| Price | $12.19Best value | $17.49Least favorable value |
| Seller | eBay | eBay |
| Availability | In stock | In stock |
| Rating | — | — |
| Capacity | 450 mAh | — |
| Voltage | 11.1 V | — |
| View at seller ↗ | View at seller ↗ |
Specifications are extracted automatically from seller data — an empty cell means the seller does not publish that value, not that the product lacks it.
Robotitem does not test products. This comparison reports seller-published data only, and ranking never takes affiliate commission into account.