diff --git a/hardware/solar-breakout/Parts.md b/hardware/solar-breakout/Parts.md
index 7cfc5cb..207ac6d 100644
--- a/hardware/solar-breakout/Parts.md
+++ b/hardware/solar-breakout/Parts.md
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| Part | Description | Supplier | Quantity Required | Notes
| --- | --- | --- | --- | ---
|SPV1040T|Voltage Regulators - Switching Regulators Hi efficiency solar battery charger|[511-SPV1040T](http://uk.mouser.com/Search/Refine.aspx?N=1323043&Keyword=511-SPV1040T)|1|U1 MPPT SPV1040T
-|LTC4070EMS8E#PBF|LINEAR TECHNOLOGY - BATTERY CHARGER, LIION/POLY, 8MSOP|[1839141](http://uk.farnell.com/webapp/wcs/stores/servlet/Search?st=1839141)|1|U2 Li-ion battery charger LTC4070 - replaces LTC4071, leave pin 7 floating
+|LTC4070EMS8E#PBF|LINEAR TECHNOLOGY - BATTERY CHARGER, LIION/POLY, 8MSOP|[1839141](http://uk.farnell.com/webapp/wcs/stores/servlet/Search?st=1839141)|1|U2 Li-ion battery charger LTC4070
|TPS62243DRVT|TEXAS INSTRUMENTS - DC-DC CONV, BUCK, 0.3A, 2.25MHZ, SON-6|[2400648](http://uk.farnell.com/webapp/wcs/stores/servlet/Search?st=2400648) [595-TPS62243DRVT](http://uk.mouser.com/Search/Refine.aspx?N=1323043&Keyword=595-TPS62243DRVT)|1|U3 Buck Converter DRVT = SON-6 TPS62243
|PTVS5V0S1UR|NXP - Transient Voltage Suppressor, TVS, AEC-Q101 PTVS Series, Unidirectional, 5 V, SOD-123, 2, 6.4 V|[1829262](http://uk.farnell.com/webapp/wcs/stores/servlet/Search?st=1829262)|1|TVS diode for MPPT D1
|RB161M-20TR|ROHM - Small Signal Schottky Diode, Single, 25 V, 1 A, 350 mV, 30 A, 125 °C|[1525484](http://uk.farnell.com/webapp/wcs/stores/servlet/Search?st=1525484)|1|Small signal schottky RB161M D2
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|LPS3015-103MRB|COILCRAFT - Surface Mount Power Inductor, AEC-Q200 LPS3015 Series, 10 µH, ± 20%, Shielded, 0.44 ohm, 550 mA|[2408024](http://uk.farnell.com/webapp/wcs/stores/servlet/Search?st=2408024)|1|L1 Lx for MPPT LPS3015
|SRN2512-2R2M|BOURNS - Surface Mount Power Inductor, SRN2512 Series, 2.2 µH, ± 20%, Semishielded, 0.102 ohm, 2.3 A|[2428203](http://uk.farnell.com/webapp/wcs/stores/servlet/Search?st=2428203)|1|Inductor for Buck L2
|MC0402B102J500CT|MULTICOMP - SMD Multilayer Ceramic Capacitor, MC Series, 1000 pF, ± 5%, X7R, 50 V, 0402 [1005 Metric]|[2320765](http://uk.farnell.com/webapp/wcs/stores/servlet/Search?st=2320765)|2|C1, C2 1nF Mpp-set, vctrl
-|C1005X5R0J475M050BC|TDK - SMD Multilayer Ceramic Capacitor, C Series, 4.7 µF, ± 20%, X5R, 6.3 V, 0402 [1005 Metric]|[2309027](http://uk.farnell.com/webapp/wcs/stores/servlet/Search?st=2309027)|2|C3, C4 4.7uF
+|GRM155R61E105KA12D|MURATA - SMD Multilayer Ceramic Capacitor, GRM Series, 1 µF, ± 10%, X5R, 25 V, 0402 [1005 Metric]|[2218855](http://uk.farnell.com/webapp/wcs/stores/servlet/Search?st=2218855)|1|C3 1uF
+|C1005X5R0J475M050BC|TDK - SMD Multilayer Ceramic Capacitor, C Series, 4.7 µF, ± 20%, X5R, 6.3 V, 0402 [1005 Metric]|[2309027](http://uk.farnell.com/webapp/wcs/stores/servlet/Search?st=2309027)|1|C4 4.7uF
|06036D106MAT2A|AVX - SMD Multilayer Ceramic Capacitor, 10 µF, ± 20%, X5R, 6.3 V, 0603 [1608 Metric]|[1833804](http://uk.farnell.com/webapp/wcs/stores/servlet/Search?st=1833804)|4|C5, C6, C7, C8 10µF 0603
|GRM31CR60J107ME39L.|MURATA - SMD Multilayer Ceramic Capacitor, GRM Series, 100 µF, ± 20%, X5R, 6.3 V, 1206 [3216 Metric]|[1735535](http://uk.farnell.com/webapp/wcs/stores/servlet/Search?st=1735535)|1|C9 100µF 1206 optional
|CRG0402F1K0|TE CONNECTIVITY - Surface Mount Chip Resistor, Thick Film, CRG Series, 1 kohm, 63 mW, ± 1%, 50 V, 0402 [1005 Metric]|[2331474](http://uk.farnell.com/webapp/wcs/stores/servlet/Search?st=2331474)|1|R1 1k Mpp-set
diff --git a/hardware/solar-breakout/bristol_longshot.brd b/hardware/solar-breakout/bristol_longshot.brd
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BATTERY_MOSFET_CTRL
Connect solar
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-LTC4071
+LTC4070
BSS84
BSS84
SPV1040
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diff --git a/hardware/solar-breakout/bristol_longshot.brd.pdf b/hardware/solar-breakout/bristol_longshot.brd.pdf
index 99023eb..5e1cceb 100644
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diff --git a/hardware/solar-breakout/bristol_longshot.sch b/hardware/solar-breakout/bristol_longshot.sch
index 575c8b9..364390c 100644
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-Li-Ion/Polymer Shunt Battery Charger System with Low Battery Disconnect
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Input voltage 2v - 2.4v
from 4x solar panel
We draw power from both Solar and Battery
-R5 = 220kΩ, R7 = 82kΩ
+R2 = 220kΩ, R3 = 82kΩ
Vout set = 4.6V
-R5 = 180kΩ, R7 = 71.5kΩ
+R2 = 180kΩ, R3 = 71.5kΩ
Vout set = 4.4V
>2V is enough
to self-start conversion
NTC not used
-Float Voltage = 4.0V
-Low Batt. Cutoff = 3.2V
-Battery is cutoff when < 3.2V.
-LTC4071 shunts current when battery > 4.0V.
+ADJ = GND -> Float Voltage = 4.0V
+LTC4071 shunts current when battery > 4.0V.
Start of cycle:
Vd = 4.6-3.2V = 1.4V
I = 70mA
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the MOSFETs cutoff battery charging first.
Connect to enable battery charging
-Could use the body diode of the MOSFETs
+Could use the body diode of the MOSFETs
but Vf is lower this way
EDIT: Not sure if standard cutoffs are useful. The internal resistance is too large.
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diff --git a/hardware/solar-breakout/bristol_longshot.sch.pdf b/hardware/solar-breakout/bristol_longshot.sch.pdf
index fb9e314..ece7936 100644
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diff --git a/hardware/solar-breakout/bristol_longshot.sch.png b/hardware/solar-breakout/bristol_longshot.sch.png
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diff --git a/hardware/solar-breakout/parts b/hardware/solar-breakout/parts
index e1a0d56..0785291 100644
--- a/hardware/solar-breakout/parts
+++ b/hardware/solar-breakout/parts
@@ -7,7 +7,7 @@
| Part | Description | Supplier | Quantity Required | Notes
| --- | --- | --- | --- | ---
511-SPV1040T 1 U1 MPPT SPV1040T
-1839141 1 U2 Li-ion battery charger LTC4070 - replaces LTC4071, leave pin 7 floating
+1839141 1 U2 Li-ion battery charger LTC4070
2400648 595-TPS62243DRVT 1 U3 Buck Converter DRVT = SON-6 TPS62243
1829262 1 TVS diode for MPPT D1
1525484 1 Small signal schottky RB161M D2
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2408024 1 L1 Lx for MPPT LPS3015
2428203 1 Inductor for Buck L2
2320765 2 C1, C2 1nF Mpp-set, vctrl
-2309027 2 C3, C4 4.7uF
+2218855 1 C3 1uF
+2309027 1 C4 4.7uF
1833804 4 C5, C6, C7, C8 10µF 0603
1735535 1 C9 100µF 1206 optional
2331474 1 R1 1k Mpp-set