FLEXmax Charge Controllers

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String Sizing Tool for MX and FM Charge Controllers

Last post by fcwlp « Tue Mar 24, 2020 9:51 pm
Replies: 85
by administrator » Fri Jul 18, 2008 10:36 am
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85 Replies

1577706 Views

Last post by fcwlp
Tue Mar 24, 2020 9:51 pm

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My daily charge is dropping for no reason?

Last post by bikemechanic53 « Sun May 15, 2022 8:22 am
Replies: 108
by bikemechanic53 » Tue Jan 04, 2022 5:13 pm
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108 Replies

1546 Views

Last post by bikemechanic53
Sun May 15, 2022 8:22 am
FM 100 Arc fault

Last post by MaxPotti « Sun May 08, 2022 10:04 pm
Replies: 7
by guerrillasolarguy » Tue Sep 14, 2021 7:43 am

7 Replies

707 Views

Last post by MaxPotti
Sun May 08, 2022 10:04 pm
Fm 80 charging question

Last post by raysun « Mon May 02, 2022 2:02 pm
Replies: 6
by jmktexas » Mon May 02, 2022 12:04 pm

6 Replies

56 Views

Last post by raysun
Mon May 02, 2022 2:02 pm
FM80 limits

Last post by raysun « Fri Apr 29, 2022 10:03 am
Replies: 1
by Sunnyatnight » Fri Apr 29, 2022 9:02 am

1 Replies

73 Views

Last post by raysun
Fri Apr 29, 2022 10:03 am
when do i replace batteries

Last post by jtzako « Wed Apr 27, 2022 5:55 pm
Replies: 19
by raysun » Mon Apr 25, 2022 2:52 pm

19 Replies

139 Views

Last post by jtzako
Wed Apr 27, 2022 5:55 pm
Lipo4 battery charging

Last post by gpearce52 « Mon Apr 25, 2022 2:32 pm
Replies: 18
by Beadknot@yahoo.com » Thu Sep 16, 2021 10:33 am

18 Replies

1099 Views

Last post by gpearce52
Mon Apr 25, 2022 2:32 pm
How do I stop rebulk?

Last post by Boonys « Thu Apr 21, 2022 1:27 am
Replies: 27
by Boonys » Mon Apr 18, 2022 11:28 am
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27 Replies

159 Views

Last post by Boonys
Thu Apr 21, 2022 1:27 am
GFDI tripped

Last post by raysun « Wed Apr 06, 2022 5:22 pm
Replies: 6
by Megunticook » Tue Mar 29, 2022 5:59 am

6 Replies

141 Views

Last post by raysun
Wed Apr 06, 2022 5:22 pm
RTS Function

Last post by Mike Curran « Tue Apr 05, 2022 1:18 pm
Replies: 2
by David Mosteller » Sun Apr 03, 2022 1:27 pm

2 Replies

67 Views

Last post by Mike Curran
Tue Apr 05, 2022 1:18 pm
Aux issues (most likely my fault)

Last post by Cheap 4-life « Sun Apr 03, 2022 7:12 pm
Replies: 4
by Cheap 4-life » Sun Apr 03, 2022 3:36 pm

4 Replies

77 Views

Last post by Cheap 4-life
Sun Apr 03, 2022 7:12 pm
12V LiFePO4 settings using outback Flexmax60

Last post by provo « Wed Mar 30, 2022 11:24 am
Replies: 3
by Affordable » Tue Mar 29, 2022 8:04 am

3 Replies

99 Views

Last post by provo
Wed Mar 30, 2022 11:24 am
More then one controller

Last post by raysun « Tue Mar 29, 2022 10:19 am
Replies: 1
by portugal_paul » Tue Mar 29, 2022 4:05 am

1 Replies

68 Views

Last post by raysun
Tue Mar 29, 2022 10:19 am
Phantom Amperage/Wattage, Other Trimpots?

Last post by fcwlp « Fri Mar 11, 2022 7:51 am
Replies: 1
by RealityRipple » Thu Mar 10, 2022 7:28 pm

1 Replies

115 Views

Last post by fcwlp
Fri Mar 11, 2022 7:51 am
How to connect FlexMax 60 to Victron Multiplus

Last post by mianfrar « Tue Mar 08, 2022 7:06 am
Replies: 6
by olidcr » Sun Feb 20, 2022 1:34 am

6 Replies

176 Views

Last post by mianfrar
Tue Mar 08, 2022 7:06 am
how to setup master and slave with 6 FM 80 control controller

Last post by fcwlp « Tue Feb 22, 2022 10:26 am
Replies: 2
by solairx » Sun Feb 13, 2022 9:14 am

2 Replies

95 Views

Last post by fcwlp
Tue Feb 22, 2022 10:26 am
FM80 going from ABSORB Mode back to BULK Mode

Last post by raysun « Sat Feb 19, 2022 1:10 pm
Replies: 15
by JeffinthePeace » Fri Mar 22, 2019 3:39 pm

15 Replies

5273 Views

Last post by raysun
Sat Feb 19, 2022 1:10 pm
Fm80 61V over charge 48v system after float

Last post by Treeverb « Fri Feb 18, 2022 11:50 pm
Replies: 16
by Treeverb » Sat Dec 04, 2021 1:17 am

16 Replies

501 Views

Last post by Treeverb
Fri Feb 18, 2022 11:50 pm
Outback fm 80 charge controller set up

Last post by raysun « Sun Feb 13, 2022 7:02 pm
Replies: 114
by YardApe03@msn.com » Tue Nov 02, 2021 4:02 pm
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114 Replies

2714 Views

Last post by raysun
Sun Feb 13, 2022 7:02 pm
Flexmax60 Beeping

Last post by raysun « Mon Feb 07, 2022 7:20 pm
Replies: 9
by cabin612 » Tue Jan 18, 2022 12:18 pm

9 Replies

267 Views

Last post by raysun
Mon Feb 07, 2022 7:20 pm
Low Battery Disconnect

Last post by Vinay « Tue Feb 01, 2022 12:21 pm
Replies: 7
by peteandsun » Wed Dec 01, 2021 10:06 am

7 Replies

321 Views

Last post by Vinay
Tue Feb 01, 2022 12:21 pm
problem

Last post by fcwlp « Mon Jan 31, 2022 9:55 am
Replies: 1
by stelios » Sun Jan 30, 2022 5:43 am

1 Replies

97 Views

Last post by fcwlp
Mon Jan 31, 2022 9:55 am
VFX3648 6 vac output

Last post by SolarHomestead « Wed Jan 12, 2022 5:35 am
Replies: 2
by SolarHomestead » Fri Nov 05, 2021 6:44 am

2 Replies

712 Views

Last post by SolarHomestead
Wed Jan 12, 2022 5:35 am
FM80 not always using solar when it is available?

Last post by jtzako « Mon Jan 10, 2022 1:18 pm
Replies: 12
by jtzako » Thu Nov 18, 2021 12:38 pm

12 Replies

519 Views

Last post by jtzako
Mon Jan 10, 2022 1:18 pm
Configuring FlexMax 80 and new agm batts

Last post by Kerry « Wed Jan 05, 2022 5:14 pm
Replies: 50
by Kerry » Sat Nov 27, 2021 2:20 pm
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50 Replies

1432 Views

Last post by Kerry
Wed Jan 05, 2022 5:14 pm
New to FlexMax Charge Controllers - Need Help

Last post by raysun « Tue Jan 04, 2022 2:30 pm
Replies: 7
by lucl » Tue Jan 04, 2022 9:54 am

7 Replies

233 Views

Last post by raysun
Tue Jan 04, 2022 2:30 pm
Dual charge sources

Last post by raysun « Thu Dec 30, 2021 8:47 am
Replies: 1
by Koerner » Wed Dec 29, 2021 11:49 am

1 Replies

144 Views

Last post by raysun
Thu Dec 30, 2021 8:47 am
Sunshine and Clouds and Temps. Oh my!

Last post by JRHill « Tue Dec 21, 2021 12:49 pm
Replies: 1
by raysun » Mon Dec 20, 2021 3:20 pm

1 Replies

189 Views

Last post by JRHill
Tue Dec 21, 2021 12:49 pm
Low Voc at High temps causing Snooze

Last post by Shadow_Storm56 « Sat Dec 04, 2021 7:23 pm
Replies: 4
by Gerald Melino » Thu Dec 02, 2021 12:14 pm

4 Replies

238 Views

Last post by Shadow_Storm56
Sat Dec 04, 2021 7:23 pm
FM60 ovrcurrent

Last post by raysun « Thu Dec 02, 2021 12:50 pm
Replies: 20
by bradleyl » Sat Nov 27, 2021 12:33 pm

20 Replies

577 Views

Last post by raysun
Thu Dec 02, 2021 12:50 pm
Firmware?

Last post by Shadow_Storm56 « Fri Nov 26, 2021 6:10 pm
Replies: 2
by Shadow_Storm56 » Fri Nov 26, 2021 6:01 pm

2 Replies

222 Views

Last post by Shadow_Storm56
Fri Nov 26, 2021 6:10 pm
GFDI fault help

Last post by RailDawg « Thu Nov 18, 2021 6:55 am
Replies: 2
by RailDawg » Tue Nov 16, 2021 3:53 pm

2 Replies

220 Views

Last post by RailDawg
Thu Nov 18, 2021 6:55 am
panels in series vs parallel

Last post by 706jim « Wed Nov 10, 2021 10:05 am
Replies: 3
by rickdemers » Wed Nov 10, 2021 8:18 am

3 Replies

285 Views

Last post by 706jim
Wed Nov 10, 2021 10:05 am
Will a Flexmax work for me in my use case?

Last post by talon « Fri Nov 05, 2021 4:28 am
Replies: 9
by talon » Sat Oct 30, 2021 12:19 am

9 Replies

496 Views

Last post by talon
Fri Nov 05, 2021 4:28 am
How does an fm60 act with extra solar?

Last post by Shadow_Storm56 « Thu Nov 04, 2021 6:29 pm
Replies: 27
by Shadow_Storm56 » Wed Nov 03, 2021 10:16 am
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27 Replies

983 Views

Last post by Shadow_Storm56
Thu Nov 04, 2021 6:29 pm
FM 80 firmware

Last post by raysun « Thu Nov 04, 2021 8:30 am
Replies: 10
by alaskan » Sun Sep 20, 2020 10:43 pm

10 Replies

1499 Views

Last post by raysun
Thu Nov 04, 2021 8:30 am
Transferring settings to new equipment?

Last post by jtzako « Sat Oct 30, 2021 10:12 pm
Replies: 14
by jtzako » Tue Oct 26, 2021 11:42 am

14 Replies

521 Views

Last post by jtzako
Sat Oct 30, 2021 10:12 pm
fm 80

Last post by Aore Adventures « Wed Oct 27, 2021 12:01 pm

by Aore Adventures » Wed Oct 27, 2021 12:01 pm

0 Replies

206 Views

Last post by Aore Adventures
Wed Oct 27, 2021 12:01 pm
too many amp?

Last post by raysun « Wed Oct 27, 2021 10:09 am
Replies: 3
by rickdemers » Wed Oct 27, 2021 8:43 am

3 Replies

283 Views

Last post by raysun
Wed Oct 27, 2021 10:09 am
Charge controller not floating

Last post by mbryan « Wed Oct 27, 2021 6:33 am
Replies: 11
by mbryan » Wed Sep 29, 2021 11:49 am

11 Replies

891 Views

Last post by mbryan
Wed Oct 27, 2021 6:33 am
locked out

Last post by raysun « Tue Oct 26, 2021 8:28 am
Replies: 5
by robbymax » Wed Oct 13, 2021 12:45 pm

5 Replies

440 Views

Last post by raysun
Tue Oct 26, 2021 8:28 am
FM80 reduces charge before EQ voltage reached

Last post by raysun « Thu Oct 21, 2021 5:27 pm
Replies: 11
by 706jim » Thu Oct 21, 2021 12:41 pm

11 Replies

561 Views

Last post by raysun
Thu Oct 21, 2021 5:27 pm
A question about my new Flexmax 80

Last post by raysun « Thu Oct 07, 2021 9:55 am
Replies: 1
by reyesryder » Wed Oct 06, 2021 7:29 pm

1 Replies

319 Views

Last post by raysun
Thu Oct 07, 2021 9:55 am
FM80/60 calibration

Last post by raysun « Wed Oct 06, 2021 3:44 pm
Replies: 2
by raysun » Mon Aug 17, 2020 10:18 am

2 Replies

1501 Views

Last post by raysun
Wed Oct 06, 2021 3:44 pm
ChgT modification

Last post by fcwlp « Thu Sep 30, 2021 6:23 am
Replies: 4
by raysun » Wed Sep 29, 2021 11:55 am

4 Replies

407 Views

Last post by fcwlp
Thu Sep 30, 2021 6:23 am
calibration

Last post by Aore Adventures « Thu Sep 23, 2021 6:26 pm
Replies: 2
by Aore Adventures » Thu Sep 23, 2021 6:08 pm

2 Replies

306 Views

Last post by Aore Adventures
Thu Sep 23, 2021 6:26 pm
Connecting controller to panels

Last post by markkivela « Thu Sep 23, 2021 4:07 pm
Replies: 7
by markkivela » Wed Sep 08, 2021 11:04 am

7 Replies

584 Views

Last post by markkivela
Thu Sep 23, 2021 4:07 pm
Ratings on The FLEXmax 100 charges?

Last post by JRKsolar « Wed Sep 15, 2021 10:26 am
Replies: 1
by jacobmckee » Tue Sep 14, 2021 10:45 am

1 Replies

296 Views

Last post by JRKsolar
Wed Sep 15, 2021 10:26 am
Array voltage vs displayed

Last post by jstone « Tue Sep 14, 2021 2:45 pm
Replies: 2
by jstone » Tue Sep 14, 2021 12:15 pm

2 Replies

353 Views

Last post by jstone
Tue Sep 14, 2021 2:45 pm
Compare SE-830BLU and SE-860XLC for my friend

Last post by raysun « Tue Sep 14, 2021 12:46 am
Replies: 1
by ryanknight » Thu Sep 09, 2021 6:20 am

1 Replies

520 Views

Last post by raysun
Tue Sep 14, 2021 12:46 am
Fm60 actual max voltage?

Last post by Shadow_Storm56 « Sun Sep 12, 2021 1:08 pm
Replies: 17
by Shadow_Storm56 » Sat Sep 11, 2021 6:12 pm

17 Replies

780 Views

Last post by Shadow_Storm56
Sun Sep 12, 2021 1:08 pm

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