[slap bash]

I saw this on Ebay and bought one. A very good battery level indicator it's quite good as a guide of your pump battery.
http://www.ebay.co.uk/itm/Battery-Capacity-12V-Tester-Indicator-For-Lead-acid-Lithium-LiPo-LCD-Brand-New/282402478991?ssPageName=STRK%3AMEBIDX%3AIT&_trksid=p2057872.m2749.l2649

[p1w1]

I saw this on Ebay and bought one. A very good battery level indicator it's quite good as a guide of your pump battery.
http://www.ebay.co.uk/itm/Battery-Capacity-12V-Tester-Indicator-For-Lead-acid-Lithium-LiPo-LCD-Brand-New/282402478991?ssPageName=STRK%3AMEBIDX%3AIT&_trksid=p2057872.m2749.l2649

think i'll get me one of them

[dazmond]

i dont need one as theres  already one on my controller built in.(as there is on most window cleaners controllers)

[nathankaye]

i dont need one as theres  already one on my controller built in.(as there is on most window cleaners controllers)

+1

[Og]

Just use a multi meter, innit.