ELECTRIC BOOSTER PUMP (12V) - EBP23 & DIGITAL SWITCH COMBO. The EBP23 is a ‘brushless’ 12 volt, high flow (23 litres / 6.08 gallons per minute), magnetically driven water pump. The many EBP applications include: booster for car heater and LPG systems, solar pump applications, water cooled motorcycle, go-kart engines, turbo air / water intercoolers & household irrigation.