Cant figure how to remove battery pack

Wiring is here

https://www.wheeliegoodmobility.com/pride-gogo-elite-traveller-mobility-scooter-spare-parts/new-18amp-battery-box-with-pride-batteries-for-a-34-wheel-pride-gogo-elite-traveller-mobility-scooter.html

And a video

https://www.youtube.com/watch?v=GWrcTtS3iww

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Page 18 of the manual shows the throttle lever on both sides. Contact Pride Mobility direct.
https://www.pridemobility.com/pdf/owners_manuals/us_scooter/us_go_go_elite_traveller_plus_om.pdf

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Do you mean a charger plugged in for four months ? or the battery pack on the scooter for four months ? if it not charging and left on the scooter they will discharge and may never recover.

Leaving it on charge for four months ?, the charger will go into trickle charge mode once it fully charged the batteries, manufacturers will agree this is a good thing , if left for weeks and weeks , it should be charged up fully once a week if not in use and i recommend removing the battery case as i seen issues arise from leaving a battery pack on a scooter for long periods of time, for starters they discharge quicker,.

Turn the battery pack up side down and you will see holes around the outside of the case. With a long (12") Philips screw driver, remove 8-10 screws. carefully turn the pack back on it feet and the lid will come off. Be careful with the wires inside the battery pack and make a note of where they go.

Hi. There are no locking devices on the GoGo Elite Traveller series of scooter. The Battery pack simply lifts off. However, they can be very tight and sometimes require a sharp tug upwards to remove them.
Hope this helps.

Hello Bruce,if you contact a local dealer for your scooter.Ask them to download you an owners manual,there will more than likely be a small fee for this.Alternatively visit the Products website & ask the same question,this may be a better option as there may be no fee.They could send you 1 in the post.I hope this has helped you,Colin.

No sorry just one size for the 17AH batteries

Charge the batteries fully and remove the battery pack from the scooter. About once a month charge the battery pack. It shouldn't take long to charge since you are not using the scooter Don't overcharge when the light on the charger turns green turn it off and unplug it from the battery pack. This should keep the batteries fully charged and fresh when FIL gets back home. Hope this helps you

battery cells damaged
replace
it
its in warranty even if its not og
other third party battery makers give 6 month warranty