Saft Nife SMPS 48V/15A Battery Charger

Saft Nife SMPS 48V/15A Battery Charger is a switch‑mode power supply used to charge 48 V Li‑ion or lead‑acid packs at up to 15 A. Common failure modes on this model include overheating of the rectifier bridge (diodes or MOSFETs), degradation of the output filter capacitors, and failure of the internal control IC due to over‑voltage or thermal stress. First‑check diagnostics: verify input voltage and phase integrity; inspect the rectifier bridge and output capacitor for burn marks or bulging; and read any diagnostic LEDs or error codes on the front panel. If these checks are normal, proceed with a continuity test of the main switching components and measure output ripple under load.[oss-gpt-20b]

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