Battery & Inverter

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Very high currents can flow in cables connecting inverter to the batteries and between the batteries. Cables must be adequately sized to suit the maximum current drawn by the inverter. Low resistance links and tight connections are essential to maintain even use of a battery bank.

In order to minimise the voltage drop between battery and inverter, and so maintain inverter efficiency, cables should be kept as short as possible and be sufficiently sized.

Flexible Cable

Flexible multi-strand single core cable. Rubber double insulation. Price per metre.

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Product Code Description Retail Price
(ex VAT)
CW-16 16sqmm inverter/battery cable per m £2.88
CW-25 25sqmm inverter/battery cable per m £4.08
CW-35 35sqmm inverter/battery cable per m £6.12
CW-50 50sqmm inverter/battery cable per m £8.18
CW-70 70sqmm inverter/battery cable per m £11.50
CW-95 95sqmm inverter/battery cable per m £16.16

Terminal Lugs

For crimping or soldering onto cables. Up to 70 mm² have 8 mm diameter holes. 95 sq mm has 10 mm.

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Product Code Description Retail Price
(ex VAT)
C-6/6 4-6 sqmm cable, insulated crimp terminal. Ring 6mm (pack 10) £1.92
C-6/8 4-6 sqmm cable, insulated crimp terminal. Ring 8mm (pack 10) £1.60
C-10/8 10 sq mm cable terminal lug (M8 stud) £0.26
C-16/8 16 sq mm cable terminal lug (M8 stud) £0.39
C-16/10 16 sq mm cable terminal lug (M10 stud) £0.39
C-25/6 25 sq mm cable terminal lug (M6 stud) £0.54
C-25/8 25 sq mm cable terminal lug (M8 stud) £0.54
C-25/10 25 sq mm cable terminal lug (M10 stud) £0.54
C-35/8 35 sq mm cable terminal lug (M8 stud) £0.65
C-35/10 35 sq mm cable terminal lug (M10 stud) £0.62
C-50/8 50 sq mm cable terminal lug (M8 stud) £0.78
C-50/10 50 sq mm cable terminal lug (M10 stud) £0.78
C-50/12 50 sq mm cable terminal lug (M12 stud) £0.93
C-70/8 70 sq mm cable terminal lug (M8 stud) £1.66
C-70/10 70 sq mm cable terminal lug (M10 stud) £1.66
C-70/12 70 sq mm cable terminal lug (M12 stud) £1.66
C-95/8 95 sq mm cable terminal lug (M8 stud) £1.91
C-95/10 95 sq mm cable terminal lug (M10 stud) £2.35
C-95/12 95 sq mm cable terminal lug (M12 stud) £2.71
C-120/10 120sqmm cable terminal lug (M10 stud) £2.82

Battery Cables

Ready-made cables for connecting batteries in series or parallel. Cables include two crimped terminal lugs with 8 mm diameter holes.

Systems with inverters larger than 1kW should use 50 mm² or larger battery interconnects, those with smaller inverters 35 mm² and systems where currents are always less than 30A, 25 mm². Cables are double insulated and can be supplied with colour coded heat shrink marking.

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Product Code Description Retail Price
(ex VAT)
BAT-CB1 Battery interconnect cable 25 sq mm 30 cm long, M8 lugs £7.26
BAT-CB2 Battery interconnect cable 35 sq mm 30 cm long £7.59
BAT-CB3 Battery interconnect cable 50sq mm 30 cm long £8.90
BAT-CB4 Battery interconnect cable 50 sq mm 45 cm long £10.05
BAT-CB5 Battery interconnect cable, 70sq mm, 30cm long £11.52

Inverter Cables

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Product Code Description Retail Price
(ex VAT)
INV-CB1 Inverter cable 50sqmm 2m long M8-M8 £22.33
INV-CB2 Inverter cable 70 sqmm 2 m long M8-M8 £32.45
INV-CB2-FB2 Inverter cable 70 sqmm 2 m long for FB disconnect M8-M10 £32.45
INV-CB3 Inverter cable 95 sq mm 2 m long M8-M8 £41.94
INV-CB3-FB2 Inverter cable 95 sq mm 2 m long for FB disconnect M8-M10 £41.94
INV-CB3-BB Inverter cable 95 sq mm 2 m long for SI-BATBREAKER M8-bare £40.44