![](https://pdfstore-manualsonline.prod.a.ki/pdfasset/0/c0/0c045b38-34b0-45bc-8468-3c3017c24b04/0c045b38-34b0-45bc-8468-3c3017c24b04-bg42.png)
SECTION 9—BATTERIES
Pronto® M91™Base with SureStep® 66 Part No 1143153
RequiredItems:
1. Attachthebatterychargerconnectortothechargerportonthejoystick.
2. Plugthecharger’sACpowercord,orextension,intothegrounded120VACwall
outlet.
3. Waituntilchargingiscomplete.
NOTE:Alloweighthoursfornormalcharging.Largerbatteries(greaterthan55ampere‐hours)or
severelydischargedbatteriesmayrequireuptosixteenhourstobeproperlychargedandequalized.
NOTE:Itisadvantageoustorechargefrequentlyratherthanonlywhennecessary.Infact,a
battery’slifeisextendedifthechargelevelismaintainedwellabovealowcondition.
NOTE:Ifthebatteriesneedtobechargedmoreoftenortakelongertochargethannormal,they
mayneedtobereplaced.ContactanInvacaredealerforservice.
FIGURE 9.7 Charging Batteries
TOOL QUANTITY COMMENTS
Battery Charger 1 Supplied
Extension Cord 1 Not Supplied
MPJ JoystickSPJ Joysticks
Charger/
Programming
Port
Charger/Programming Port (On
Front of Joystick)