Blue Sea Add-A-Battery

To Order; Telephone 01261 835199

£156.95 / pack(s)

Price incl. VAT, plus delivery


The Blue Sea Add-A-Battery includes a Dual circuit e-series battery switch and automatic charging relay with start isolation option

Dual Circuit Plus Battery Switch
  • Simplifies switching
  • Isolates engine and house circuits
  • Combines batteries for emergency starting
  • Tin-plated copper studs for maximum conductivity and corrosion resistance
1,000A Cranking* (10 sec)
750A Cranking* (1 Min)
525A Intermittent* (5Min)
350A Continuous*
32V DC Maximum
4/0 AWG Cable**

ACR Automatic Charging Relay

  • Automatically combines batteries during charging
  • Isolates batteries during engine cranking and when not charging
  • Shares the charge between two batteries more efficiently than a battery isolator
  • Allows efficient dual battery charging without needing regulator adjustment or rewiring 
210A Intermittent (5 Min)
120A Continuous
12v or 24v DC Nominal
1/0 AWG Cable**
* Per Circuit
**Reducing cable size will reduce current rate
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