The IA-BP420E Lithium-Ion Battery Pack for Samsung (3.7 V, 3950 mAh) from Pearstone is a rechargeable lithium-ion battery. It replaces the Samsung BP-420E. The battery has an output voltage of 3.7 V and a capacity of 3950 mAh.
| Chemistry | Lithium-ion (rechargeable) |
| Capacity | 3950 mAh |
| Output Voltage | 3.7 V |