This is not a charger fault or a cable fault
it will read 20–30% remaining while the cell voltage has already crossed that cutoff threshold under load
the C15MIL replacement provides both performance and peace of mind
and Ni-MH chemistry loses effective capacity faster under that kind of load pattern
Bench tested on actual hardware: We ran this cell on an SM-A516 unit and confirmed the BMS completed its handshake
Philips 218 Replacement Battery BHS205P 3.7V 650mAh E3300 This is not a chargerPhilips 218 288 268 Series 3. 7V Li ion Replacement Battery (BHS205P) This is a 3. 7V 650mAh Li ion cell built to the BHS205P specification. It fits the Philips 218, 288, 268, and FISIO 268 handsets, along with three additional models in the same series. The connector, BMS handshake, and cell dimensions match the original factory configuration. 218 288 268 platform fit: These models share the same battery bay geometry, 3. 7V nominal rail, and BMS