# 05 el battery problem

**URL:** <https://community.electricforum.com/t/05-el-battery-problem/14293>\
**Category:** Battery & Chargers\
**Created:** [August 11, 2018, 4:50pm UTC](https://community.electricforum.com/t/05-el-battery-problem/14293 "2018-08-11T16:50:50Z")\
**Posts on this page:** 1\
**Showing post:** 8

<div class="post-metadata">

**Author:** ![GEM\_captain](https://yyz2.discourse-cdn.com/flex030/user_avatar/community.electricforum.com/gem_captain/32/1327_2.png) [@GEM\_captain](https://community.electricforum.com/u/GEM_captain)\
**Post date:** [August 19, 2018, 11:29pm UTC](https://community.electricforum.com/t/05-el-battery-problem/14293/8 "2018-08-19T23:29:54Z")

</div>

> [@Changing the charge profile on a 2000 GEM](https://community.electricforum.com/t/changing-the-charge-profile-on-a-2000-gem/14332):
>
> I have a 2000 GEM with the Delta-Q charger That is currently set to profile #14. I have installed new Duracell SLI31MDC batteries and need to change the profile. Having read the instructions and watched the video to change the profile I have two questions: What profile should I use? #13 for Trojan or #32 for DEKA batteries. What connection should I disconnect to change the program? Do they want the positive connection on the charger removed or can I just use one of the connections at one of th…

---

_[View the full topic](https://community.electricforum.com/t/05-el-battery-problem/14293)._