# 2002 Gem Zivan NG1 Charger won’t work in Gel Mode

**URL:** <https://community.electricforum.com/t/2002-gem-zivan-ng1-charger-won-t-work-in-gel-mode/13121>\
**Category:** GEM Forum\
**Created:** [December 11, 2017, 6:07am UTC](https://community.electricforum.com/t/2002-gem-zivan-ng1-charger-won-t-work-in-gel-mode/13121 "2017-12-11T06:07:38Z")\
**Posts on this page:** 3\
**Page:** 1

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**Author:** ![zapufast](https://avatars.discourse-cdn.com/v4/letter/z/8dc957/32.png) [@zapufast](https://community.electricforum.com/u/zapufast)\
**Post date:** [December 11, 2017, 6:07am UTC](https://community.electricforum.com/t/2002-gem-zivan-ng1-charger-won-t-work-in-gel-mode/13121/1 "2017-12-11T06:07:38Z")

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I have a 2002 GEM E825 with gel batteries and when selecting the “C” setting on the Zivan NG1 charger, which should be correct for gels, I get the flashing RED/YELLOW flash with beep.

If I select E or F then it starts charging fine.  
This setting will over charge my batteries, so this isn’t a solution.

Is my charger bad? Why would it charge correctly with E or F but not C?

Any help would be greatly appreciated!!!

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**Author:** ![zapufast](https://avatars.discourse-cdn.com/v4/letter/z/8dc957/32.png) [@zapufast](https://community.electricforum.com/u/zapufast)\
**Post date:** [December 11, 2017, 1:53pm UTC](https://community.electricforum.com/t/2002-gem-zivan-ng1-charger-won-t-work-in-gel-mode/13121/2 "2017-12-11T13:53:59Z")

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Anyone have a idea what the issue is? Batteries seem fine.

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**Author:** ![Old\_Houseboater](https://yyz2.discourse-cdn.com/flex030/user_avatar/community.electricforum.com/old_houseboater/32/544_2.png) [@Old\_Houseboater](https://community.electricforum.com/u/Old_Houseboater)\
**Post date:** [December 11, 2017, 5:41pm UTC](https://community.electricforum.com/t/2002-gem-zivan-ng1-charger-won-t-work-in-gel-mode/13121/3 "2017-12-11T17:41:59Z")

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Gel batteries require a less aggressive setting so they do not overheat and boil off the electrolyte. Flooded require a higher setting to stir the electrolyte and provide a full charge.

Call Zivan and tell them your problem. Make SURE You have the model and serial of your unit. They have complete history of each unit.

A Gel setting wasn’t available when your charger was new.