based on the best selling sterling power bb1230 - now includes 350w mppt solar regulator this model is euro 6+ compatible - regenerative braking / smart alternator mode can operate without an ignition feed • high power battery to battery charger with 350w solar mppt • 12v 30a specification • ideal for commercial/leisure vehicles and marine applications • easily installed with no complicated wiring • 1a back feed to maintain starter battery • 3 stage battery charging program • regenerative braking and does not require ignition feed (euro 6+ compatible) • additional modes with ignition feed and timer options • 8 preset battery chemistry options plus custom profile settings