Modifica tensione caricabatteria

[Massimo vr]

E' il Dolphin Charger della francese Reya, 12 v 20 a.
Ho mandato una mail al ditta, spero che mi rispondano.
Le uniche informazioni che ho trovato in internet sono queste:

DOLPHIN BATTERY CHARGERS

Fully automated switchmode battery charger
Designed for marine use
Fast, safe and efficient
Light weight, compact size
Suitable for 3 banks (2 with Dolphin 1210 and 1215) with independent outputs
Acts like a power supply without battery
Three stage charging (IUoU, except 24120 and 24160)
Operates efficiently with dirty generator outputs
Temperature compensation (option)
Suitable for either wet or gel batteries (manual adjustment)
LEDS status indicators
Remote control panel (option, except 1210 and 1215))
Three years warranty (except 1210 and 1215)
Worldwide service