Testing

Sort By:
Show:
Display: List Grid
  • Battery Hydrometer for testing Electrolyte
    Traditional glass and rubber Hydrometer. Not so easy to come by these days, but useful if your battery is not the sealed type. Could save you the price of a new battery and help diagnose where the problem lays. Open the battery caps, dip in and squeeze the bulb to suck some of the electrolyte int..
    £2.99