diff --git a/hardware/README.md b/hardware/README.md
index bcc1699..eda0f2e 100644
--- a/hardware/README.md
+++ b/hardware/README.md
@@ -11,3 +11,4 @@ Most hardware that has been built has a version number
|v0.982.1|Minor fixes|
|v0.984.0|First attempt at internal balloon board|
|v0.985.0|Solar Power/Primary AAA Lithium|
+|v0.985.1|Added DNP/0Ω between solar and MPPT set for use when only a battery is connected|
diff --git a/hardware/main-solar-simple/Parts.md b/hardware/main-solar-simple/Parts.md
index 09737f6..a718a68 100644
--- a/hardware/main-solar-simple/Parts.md
+++ b/hardware/main-solar-simple/Parts.md
@@ -31,6 +31,7 @@
|ERA2AED104X|PANASONIC ELECTRONIC COMPONENTS - Surface Mount Chip Resistor, Metal Film, AEC-Q200 ERA Series, 100 kohm, 63 mW, ± 0.5%, 25 V|[2324718](http://uk.farnell.com/webapp/wcs/stores/servlet/Search?st=2324718)|1|R4 100k precise
|CRG0402F100K|TE CONNECTIVITY - Surface Mount Chip Resistor, Thick Film, CRG Series, 100 kohm, 63 mW, ± 1%, 50 V|[2331442](http://uk.farnell.com/webapp/wcs/stores/servlet/Search?st=2331442)|2|R5, R6 100k
|RC0402JR-070RL|YAGEO (PHYCOMP) - Surface Mount Chip Resistor, Thick Film, RC Series, 0 ohm, 62.5 mW, ± 5%, 50 V|[9232516](http://uk.farnell.com/webapp/wcs/stores/servlet/Search?st=9232516)|1|R7 Bridge 0Ω
+| R8 | DNP ||| connect MPPT set when battery only is used
|CRG0402F82K|TE CONNECTIVITY - Surface Mount Chip Resistor, Thick Film, CRG Series, 82 kohm, 63 mW, ± 1%, 50 V|[2331569](http://uk.farnell.com/webapp/wcs/stores/servlet/Search?st=2331569)|3|R10, R12, R14 LTC3105 82k
|CRG0402F68K|TE CONNECTIVITY - Surface Mount Chip Resistor, Thick Film, CRG Series, 68 kohm, 63 mW, ± 1%, 50 V|[2331557](http://uk.farnell.com/webapp/wcs/stores/servlet/Search?st=2331557)|1|R11 LTC3105 FB 68k
|MC00625W0402156K|MULTICOMP - Surface Mount Chip Resistor, Thick Film, MC Series, 56 kohm, 62.5 mW, ± 1%, 50 V|[1358089](http://uk.farnell.com/webapp/wcs/stores/servlet/Search?st=1358089)|1|R13 LTC3105 LDOFB 56k
diff --git a/hardware/main-solar-simple/bristol_longshot.brd b/hardware/main-solar-simple/bristol_longshot.brd
index 38d06fa..0ebb1e9 100644
--- a/hardware/main-solar-simple/bristol_longshot.brd
+++ b/hardware/main-solar-simple/bristol_longshot.brd
@@ -2680,7 +2680,7 @@
-V0.985.0
+V0.985.1
@@ -4609,7 +4609,7 @@ Please make sure your boards conform to these design rules.
-
+
@@ -4619,6 +4619,7 @@ Please make sure your boards conform to these design rules.
+
@@ -4779,7 +4780,6 @@ Please make sure your boards conform to these design rules.
-
@@ -4789,7 +4789,7 @@ Please make sure your boards conform to these design rules.
-
+
@@ -5524,6 +5524,8 @@ Please make sure your boards conform to these design rules.
+
+
@@ -5610,8 +5612,10 @@ Please make sure your boards conform to these design rules.
-
-
+
+
+
+
diff --git a/hardware/main-solar-simple/bristol_longshot.brd.pdf b/hardware/main-solar-simple/bristol_longshot.brd.pdf
index 127cedb..13ce409 100644
Binary files a/hardware/main-solar-simple/bristol_longshot.brd.pdf and b/hardware/main-solar-simple/bristol_longshot.brd.pdf differ
diff --git a/hardware/main-solar-simple/bristol_longshot.brd.png b/hardware/main-solar-simple/bristol_longshot.brd.png
index 65bfcc4..5814b88 100644
Binary files a/hardware/main-solar-simple/bristol_longshot.brd.png and b/hardware/main-solar-simple/bristol_longshot.brd.png differ
diff --git a/hardware/main-solar-simple/bristol_longshot.sch b/hardware/main-solar-simple/bristol_longshot.sch
index dd9b771..e698c1b 100644
--- a/hardware/main-solar-simple/bristol_longshot.sch
+++ b/hardware/main-solar-simple/bristol_longshot.sch
@@ -7722,6 +7722,7 @@ Typical applications:<p>
+
@@ -7773,6 +7774,10 @@ be disconnected to form a solar midpoint connection
LTC3105 Boost Converter
BMP180 Pressure Sensor
Power + Sensor
+Populate R8 with
+0Ω resistor if
+SOLAR is connected
+directly to battery
@@ -7909,6 +7914,7 @@ be disconnected to form a solar midpoint connection
+
@@ -8813,12 +8819,16 @@ be disconnected to form a solar midpoint connection
-
+
+
+
+
+
@@ -8918,6 +8928,10 @@ be disconnected to form a solar midpoint connection
+
+
+
+
diff --git a/hardware/main-solar-simple/bristol_longshot.sch.pdf b/hardware/main-solar-simple/bristol_longshot.sch.pdf
index d3fc873..002dbe3 100644
Binary files a/hardware/main-solar-simple/bristol_longshot.sch.pdf and b/hardware/main-solar-simple/bristol_longshot.sch.pdf differ
diff --git a/hardware/main-solar-simple/bristol_longshot.sch.png b/hardware/main-solar-simple/bristol_longshot.sch.png
index 8a91bb0..24c1b27 100644
Binary files a/hardware/main-solar-simple/bristol_longshot.sch.png and b/hardware/main-solar-simple/bristol_longshot.sch.png differ
diff --git a/hardware/main-solar-simple/parts b/hardware/main-solar-simple/parts
index 83547c5..a8866f5 100644
--- a/hardware/main-solar-simple/parts
+++ b/hardware/main-solar-simple/parts
@@ -31,6 +31,7 @@
2324718 1 R4 100k precise
2331442 2 R5, R6 100k
9232516 1 R7 Bridge 0Ω
+| R8 | DNP ||| connect MPPT set when battery only is used
2331569 3 R10, R12, R14 LTC3105 82k
2331557 1 R11 LTC3105 FB 68k
1358089 1 R13 LTC3105 LDOFB 56k