KaRaTec

GS300-48

InCharge MAXI battery backup PSU 48V, 300W
MYOB · synced 08:55 Demo 03 Nov 2026
On hand
2 ea
Bin FG-11
Allocated
8
open orders & unkitted builds
In build
8
Std cost
$563.96
rolled up from 3 BOM levels
Sell ex GST
$1,185.00
52.4% gross margin
Bill of materials — rev C, all levelsBOM-GS300-48 →
PartLevelPerExt. qtyOn handUnit costExt. cost
PSA-GS300 rev C
Power stage PCBA, GS 300W
 L1 1 ea119 $221.73$221.73
└ PCB-GS300
Bare PCB GS 300W power, 4L 2oz
 L2 1 ea141 $14.20$14.20
└ Q-IPP60R099
MOSFET 600V 31A TO-220
 L2 2 ea230 $6.12$12.24
└ D-VS60EPU02
Ultrafast diode 200V 60A TO-247
 L2 2 ea275 $5.20$10.40
└ MAG-T360 rev D
Main transformer 360W, ETD49
 L2 1 ea119 $73.58$73.58
└ M-ETD49
Ferrite core pair ETD49 N87
 L3 1 ea1136 $5.20$5.20
└ M-BOB49
Bobbin ETD49 20-pin
 L3 1 ea1136 $1.40$1.40
└ M-WIRE08
Enamelled copper wire 0.8mm
 L3 14 m141,032 $0.09$1.26
└ M-LITZ100
Litz wire 100 × 0.1mm
 L3 5 m5168 $0.85$4.25
└ M-TAPE
Polyester insulation tape 25mm
 L3 2 m2337 $0.06$0.12
└ L-IND33U
Power inductor 33µH 15A
 L2 1 ea198 $2.85$2.85
└ C-ELC220-160
Electrolytic 220µF 160V 105°C
 L2 3 ea3206 $1.65$4.95
└ C-ELC470-63
Electrolytic 470µF 63V 105°C
 L2 2 ea2354 $0.95$1.90
└ C-MLCC10U-100
MLCC 10µF 100V X7R 1210
 L2 6 ea6453 $0.42$2.52
└ C-FILM2U2-250
Film capacitor 2.2µF 275VAC X2
 L2 2 ea2195 $1.20$2.40
└ R-0603
Resistor 0603 1% (per placement)
 L2 44 ea4412,000 $0.01$0.44
└ C-MLCC100N-50
MLCC 100nF 50V X7R 0603
 L2 26 ea267,711 $0.01$0.26
└ H-TPAD
Thermal pad TO-220, silicone
 L2 6 ea6858 $0.18$1.08
└ H-CLIP220
TO-220 heatsink spring clip
 L2 6 ea6599 $0.35$2.10
└ R-SHUNT5M
Current shunt 5mΩ 3W 2512
 L2 1 ea1124 $0.64$0.64
CHG-GS rev C
Charger & battery monitor PCBA, GS
 L1 1 ea165 $89.37$89.37
└ PCB-GSCHG
Bare PCB GS charger & monitor, 4L
 L2 1 ea180 $7.60$7.60
└ U-BQ24610
Battery charge controller BQ24610
 L2 1 ea16 $6.40$6.40
└ U-STM32G031
MCU STM32G031K8 LQFP-32
 L2 1 ea1220 $2.45$2.45
└ U-LM5122
Boost controller LM5122 HTSSOP-20
 L2 1 ea156 $5.20$5.20
└ Q-BSC093N15
MOSFET 150V 87A TDSON-8
 L2 2 ea2320 $4.10$8.20
└ L-IND10U
Power inductor 10µH 8A SMD
 L2 1 ea1129 $1.20$1.20
└ R-SHUNT5M
Current shunt 5mΩ 3W 2512
 L2 1 ea1124 $0.64$0.64
└ R-NTC10K
NTC thermistor 10k
 L2 1 ea189 $0.35$0.35
└ R-0603
Resistor 0603 1% (per placement)
 L2 48 ea4812,000 $0.01$0.48
└ C-MLCC100N-50
MLCC 100nF 50V X7R 0603
 L2 30 ea307,711 $0.01$0.30
└ C-MLCC10U-100
MLCC 10µF 100V X7R 1210
 L2 4 ea4453 $0.42$1.68
└ U-PC817
Optocoupler PC817 SMD
 L2 2 ea21,170 $0.18$0.36
└ J-PC5-4
Terminal block 4-pos 5.08mm
 L2 1 ea1326 $2.60$2.60
HAR-GS rev B
Battery lead set, GS (SB50)
 L1 1 ea163 $36.80$36.80
└ W-10AWG
Battery cable 10 AWG, red/black
 L2 1.5 m1.5129 $3.20$4.80
└ J-SB50
Anderson SB50 connector
 L2 1 ea151 $6.90$6.90
└ W-LUGM6
Crimp lug M6 10mm²
 L2 2 ea2393 $0.55$1.10
└ W-HSHRINK
Heatshrink 6mm, black
 L2 0.4 m0.4120 $0.45$0.18
└ F-ATO15
Fuse 15A ATO blade
 L2 1 ea177 $0.32$0.32
└ F-HOLD-ATO
In-line ATO fuse holder, 10 AWG
 L2 1 ea175 $1.45$1.45
ENC-GS rev B
Enclosure kit, GS wall-mount
 L1 1 ea162 $82.05$82.05
└ E-GSCAB
Wall-mount cabinet GS, 1.2mm steel, powder coat
 L2 1 ea142 $36.50$36.50
└ E-GSBRKT
Battery tray & bracket GS
 L2 1 ea132 $9.80$9.80
└ H-GLAND20
Cable gland M20 IP68, nylon
 L2 2 ea2114 $1.65$3.30
└ H-M4X10
Screw M4×10 pan, stainless
 L2 10 ea101,313 $0.06$0.60
└ H-LABEL
Rating label, polyester, printed
 L2 1 ea1160 $0.45$0.45
J-PC5-4
Terminal block 4-pos 5.08mm
 L1 2 ea2326 $2.60$5.20
P-CTN-L
Carton large, printed
 L1 1 ea1150 $2.90$2.90
P-GUIDE
Installation guide, printed
 L1 1 ea1247 $0.60$0.60
Materials (level 1) $438.65Labour 45 min $51.75Overhead 15% $73.56Std cost $563.96
Direct BOM lines (edit)
PartQty perRef des
CHG-GS Charger & battery monitor PCBA, GS
ENC-GS Enclosure kit, GS wall-mount
HAR-GS Battery lead set, GS (SB50)
PSA-GS300 Power stage PCBA, GS 300W
J-PC5-4 Terminal block 4-pos 5.08mm
P-CTN-L Carton large, printed
P-GUIDE Installation guide, printed
Stock historylast 25 movements
WhenMovementRefQtyNote
30 Oct 2026 · 15:30BuiltWO-26-1338+6Completed and booked in
30 Oct 2026 · 14:00ShippedSO-26-0320-6Summit Data Centres
06 Jul 2026 · 07:30StocktakeST-2026-07+2Quarterly count
Part
Level
Finished
Category
Battery backup PSU
Family
GS InCharge
Revision
C
Lead time
15 days
Reorder
Made / bought to order
Spec
230VAC in, 48V load + bi-directional battery output, 300W, 3-step temp-compensated charge, battery monitoring
Where used (0)
Top-level product.
Open works orders
WO-26-1310 ×8 C
due 16 Nov 2026
QC & pack
Documents
DWG-GS300-48
Assembly drawing · 30 Mar 2026
C ReleasedBOM-GS300-48
Bill of materials · 20 Oct 2026
C ReleasedBOM-GS300-48
Bill of materials · 09 Feb 2026
B SupersededBOM-GS300-48
Bill of materials · 30 Mar 2026
A SupersededTP-GS300-48
Test procedure · 22 Jun 2026
B Released