Product Name: NEFFOS C9A / C9S Battery (NBL‑40A2920)
Compatible Models: Neffos C9A, C9S
Type: Internal Rechargeable Lithium‑Ion Battery
Function: Replaces degraded or faulty battery to restore battery life and performance
Installation: Internal repair (requires technician)
Condition: Compatible Replacement Part
Usage: Suitable for Neffos C9A / C9S battery replacement