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Durite split charge relays & kits

Buy one of our ready made split charge kits or just buy a split charge relay and make up your own kit from our range of cables, fuses and cable connectors.

If you're fitting a split charge system from scratch, your vehicle is relatively new and has a complicated engine management system we would recommend using the voltage sensing split charge relay which is easy to fit and requires no connection to the vehicle electrics. Simply wire the relay from your starter battery to your leisure battery. This also avoids any vehicle warranty issues.

Voltage sensing split charge relays and fitting kits are easy to fit as they only need wiring from the starter battery to the leisure battery/batteries. They are suitable for older and also modern vehicles with INTELLIGENT ALTERNATORS, CANBUS and MULTIPLEX wiring systems. With our range of volt sensing/sensitive split chargers there's no need to cut wires or take feeds from other sources (i.e. the vehicle alternator). Beware of other systems on the market that may cause electrical malfunction or invalidate the warranty on modern vehicles.

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Durite voltage sensing split charge relay 140 amp

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Durite voltage sensitive relay
10% OFF RRP!

Voltage sensitive split charge relay 12 volt.

Easy to fit - no alternator/trigger wire connection required. Red LED indicator. Max output 140 amps. Allows charging of auxiliary/leisure battery bank without discharging starter battery. The voltage sensitive relay will make sure the starter battery is fully charged first before switching the charge to the leisure battery. Simple to fit. Cuts in at 13.3 volts and breaks at 12.8 volts.

Durite voltage sensitive split charge relay + FITTING KIT 3 METRE

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Durite 140A split charge relay kit

Split charge relay with red LED indicator PLUS 3 METRE FITTING KIT. Easy to fit - no alternator/trigger wire connection required. Max output 140 amps. Cuts in at 13.3 volts and breaks at 12.8 volts. Kit includes 12V 140A relay, connectors/terminals, cables, fuses and fuse holders, wiring and fitting instructions + EMAIL SUPPORT! Click on more details for complete specifications.

Allows charging of auxiliary/leisure battery bank without discharging starter battery. Simple to fit (only requires wiring from one battery to the other). Dimensions 68 L x 54 W x 68 H. Ideal for modern vehicles with powerful alternators and leisure batteries up to 200AH.

N.B. Any wiring/cable kits supplied by us are for typical use only. If you plan to run heavy equipment such as high power winches, inverters or amplifiers etc. upgrade the wiring accordingly. If in doubt, or if you are unsure about the fitting/suitability of this kit for your particular vehicle requirements you should contact a suitably qualified electrician first.

Durite voltage sensitive split charge relay + FITTING KIT 5 METRE

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Durite 140A split charge relay kit

Split charge relay with red LED indicator PLUS 5 METRE FITTING KIT. Easy to fit - no alternator/trigger wire connection required. Max output 140 amps. Cuts in at 13.3 volts and breaks at 12.8 volts. Kit includes 12V 140A relay, connectors/terminals, cables, fuses and fuse holders, wiring and fitting instructions + EMAIL SUPPORT! Click on more details for complete specifications.

Allows charging of auxiliary/leisure battery bank without discharging starter battery. Simple to fit (only requires wiring from one battery to the other). Dimensions 68 L x 54 W x 68 H. Ideal for modern vehicles with powerful alternators and leisure batteries up to 200AH.

N.B. Any wiring/cable kits supplied by us are for typical use only. If you plan to run heavy equipment such as high power winches, inverters or amplifiers etc. upgrade the wiring accordingly. If in doubt, or if you are unsure about the fitting/suitability of this kit for your particular vehicle requirements you should contact a suitably qualified electrician first.

Ring 'Smartcom' caravan relay

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Ring Smartcom relay

Split charge relay with isolated fridge supply. No alternator connection required. Max output 30 amps.

Avoids discharge of car battery when running a caravan ‘fridge and charging the leisure battery. Relay switches on at 13.5 and off at 13.2 volts and features heavy duty terminal blocks.

Click on the image slide show to view the wiring diagram.

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