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The best battery selector prevents parallel connection of two batteries so that a bad battery does not cause the failure of the other one.

But, if one battery is weak or has failed, power automatically flows to the load from the other battery. In normal operation, current flows through the BBS from both batteries. SENS Best Battery Selectors (BBS) deliver power from two different batteries to one or two loads in environments requiring very high availability.

De-rated components assure reliable operationĪpplications: Critical engine starting and electrical switchgear environments.

Prevents a bad battery from draining the second battery.

Delivers current to load from either one or both batteries.

Automatically cross-couples two batteries to one or multiple loads for highest DC system reliability.