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

1578203 Views

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

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FM60 efficiency question?

Last post by raysun « Mon Aug 08, 2022 7:59 pm
Replies: 16
by fast_frank_d » Wed Jul 27, 2022 6:40 pm

16 Replies

183 Views

Last post by raysun
Mon Aug 08, 2022 7:59 pm
locked out

Last post by windyr1@gmail.com « Thu Aug 04, 2022 2:28 pm
Replies: 6
by robbymax » Wed Oct 13, 2021 12:45 pm

6 Replies

511 Views

Last post by windyr1@gmail.com
Thu Aug 04, 2022 2:28 pm
overvoltage- cascade component breakdown

Last post by windyr1@gmail.com « Thu Aug 04, 2022 1:56 pm
Replies: 28
by rick .w. » Tue Feb 09, 2021 7:56 am
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28 Replies

2608 Views

Last post by windyr1@gmail.com
Thu Aug 04, 2022 1:56 pm
FM80 unanswered questions

Last post by JRHill « Thu Aug 04, 2022 1:32 pm
Replies: 10
by Boonys » Tue Aug 02, 2022 12:42 pm

10 Replies

113 Views

Last post by JRHill
Thu Aug 04, 2022 1:32 pm
FLEXmax 80 electronic schematic

Last post by pss « Thu Aug 04, 2022 9:16 am
Replies: 3
by dexterbot80 » Tue Aug 02, 2022 7:02 am

3 Replies

59 Views

Last post by pss
Thu Aug 04, 2022 9:16 am
Clouds shutting down bulk

Last post by provo « Tue Aug 02, 2022 2:52 pm
Replies: 25
by Boonys » Mon Aug 01, 2022 6:25 am
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25 Replies

173 Views

Last post by provo
Tue Aug 02, 2022 2:52 pm
Status screen

Last post by raysun « Tue Aug 02, 2022 4:43 am
Replies: 9
by audrey0485 » Fri Jul 22, 2022 4:11 am

9 Replies

150 Views

Last post by raysun
Tue Aug 02, 2022 4:43 am
2 FM80

Last post by raysun « Mon Aug 01, 2022 7:48 am
Replies: 32
by vincjwan » Fri Jun 17, 2022 8:56 am
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32 Replies

485 Views

Last post by raysun
Mon Aug 01, 2022 7:48 am
AGS Question

Last post by aaarneson « Thu Jul 28, 2022 9:26 am
Replies: 4
by aaarneson » Wed Jul 27, 2022 7:14 pm

4 Replies

64 Views

Last post by aaarneson
Thu Jul 28, 2022 9:26 am
Clearing Stats

Last post by jcheil « Wed Jul 27, 2022 8:42 am
Replies: 6
by jcheil » Mon Jul 25, 2022 10:45 am

6 Replies

54 Views

Last post by jcheil
Wed Jul 27, 2022 8:42 am
Two Flexmax 80 controllers?

Last post by raysun « Mon Jul 25, 2022 11:03 am
Replies: 1
by drawthow » Mon Jul 25, 2022 10:32 am

1 Replies

23 Views

Last post by raysun
Mon Jul 25, 2022 11:03 am
Flexmax60 Beeping

Last post by ralphday224 « Sun Jul 17, 2022 4:47 am
Replies: 12
by cabin612 » Tue Jan 18, 2022 12:18 pm

12 Replies

439 Views

Last post by ralphday224
Sun Jul 17, 2022 4:47 am
Can I connect a set of old batteries to my current set controlled by my FM80 to charge them?

Last post by bikemechanic53 « Sun Jul 10, 2022 7:55 am
Replies: 5
by bikemechanic53 » Sat Jul 09, 2022 1:31 pm

5 Replies

77 Views

Last post by bikemechanic53
Sun Jul 10, 2022 7:55 am
FM80 reduces charge before EQ voltage reached

Last post by raysun « Sat Jul 09, 2022 8:26 am
Replies: 13
by 706jim » Thu Oct 21, 2021 12:41 pm

13 Replies

659 Views

Last post by raysun
Sat Jul 09, 2022 8:26 am
bad temp sensor

Last post by raysun « Sun Jul 03, 2022 10:43 am
Replies: 3
by vincjwan » Fri Jul 01, 2022 10:09 am

3 Replies

86 Views

Last post by raysun
Sun Jul 03, 2022 10:43 am
My daily charge is dropping for no reason?

Last post by raysun « Wed Jun 22, 2022 9:52 am
Replies: 112
by bikemechanic53 » Tue Jan 04, 2022 5:13 pm
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112 Replies

2210 Views

Last post by raysun
Wed Jun 22, 2022 9:52 am
FM80 as FM60

Last post by JRKsolar « Thu Jun 16, 2022 6:48 am
Replies: 12
by buscandoamerica » Wed Jun 15, 2022 2:30 pm

12 Replies

176 Views

Last post by JRKsolar
Thu Jun 16, 2022 6:48 am
FM60 randomly restarts to tracking

Last post by raysun « Sat Jun 04, 2022 3:47 pm
Replies: 6
by El-errante » Fri Jun 03, 2022 12:20 pm

6 Replies

147 Views

Last post by raysun
Sat Jun 04, 2022 3:47 pm
More then one controller

Last post by raysun « Sat Jun 04, 2022 4:25 am
Replies: 5
by portugal_paul » Tue Mar 29, 2022 4:05 am

5 Replies

186 Views

Last post by raysun
Sat Jun 04, 2022 4:25 am
Outback flex80 lifepo4 battery connection diagram

Last post by raysun « Tue May 31, 2022 9:55 am
Replies: 8
by alfa » Sun May 29, 2022 2:27 pm

8 Replies

124 Views

Last post by raysun
Tue May 31, 2022 9:55 am
How do I stop rebulk?

Last post by Boonys « Mon May 30, 2022 3:27 pm
Replies: 49
by Boonys » Mon Apr 18, 2022 11:28 am
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49 Replies

628 Views

Last post by Boonys
Mon May 30, 2022 3:27 pm
Are FLEXmax 60/80 and FLEXmax 100 AFCI MPPT Charge Controllers?

Last post by Ampster « Fri May 13, 2022 7:11 pm
Replies: 3
by AshleyRobin » Sun May 08, 2022 7:56 am

3 Replies

1111 Views

Last post by Ampster
Fri May 13, 2022 7:11 pm
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

832 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

158 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

154 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

285 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

1292 Views

Last post by gpearce52
Mon Apr 25, 2022 2:32 pm
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

218 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

120 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

134 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

160 Views

Last post by provo
Wed Mar 30, 2022 11:24 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

163 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

282 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

148 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

5403 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

595 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

3305 Views

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

394 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

141 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

767 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

618 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

1749 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

347 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

186 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

241 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

292 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

719 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

277 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

269 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

344 Views

Last post by 706jim
Wed Nov 10, 2021 10:05 am

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