The document provides a device modeling report for a lead acid battery with part number MSE-50-12. It includes: 1) Details of the battery components and manufacturer. 2) SPICE models for simulating the battery charge and discharge characteristics. 3) Graphs of the simulation results showing the battery voltage and current over time under different charge and discharge rates.

1. Device Modeling Report
COMPONENTS: LEAD ACID BATTERY
PART NUMBER: MSE-50-12
MANUFACTURER: GS YUASA
Bee Technologies Inc.
All Rights Reserved Copyright (c) Bee Technologies Inc. 2011
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2. SPICE MODEL (1/2)
U1
PLUS MSE-50-12
MINUS
NS = 1
SOC1 = 1
TSCALE = 1
All Rights Reserved Copyright (c) Bee Technologies Inc. 2011
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3. Charge Characteristics
Simulation result
140V 16.0V 210mA
1 2 3
0.1C10A
120V 180mA
15.0V
100V 150mA SOC%
80V 14.0V 120mA
60V 90mA Voltage
13.0V
40V 60mA
12.0V
20V 30mA
>> Constant current
0V 11.2V 0A
0s 4s 8s 12s 16s 20s 24s
1 V(X_U1.1)*100 2 V(HI) 3 I(charge)/50
Time/3600
Evaluation circuit
charge
HI
IN- OUT-
G1 U1
GVALUE IN+ OUT+ R3 C1
PLUS 10n
1G
MINUS
limit(V(%IN+, %IN-)/5m,0,Ich) MSE-50-12
V2 NS = 1
13.5 SOC1 = 0 0 0
0 TSCALE = 1
0
All Rights Reserved Copyright (c) Bee Technologies Inc. 2011
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4. Discharge Characteristics
Simulation result
13V
12V
10V
0.1C10A
0.25C10A
8V
10ms 100ms 1.0sC10A
0.6 10s 100s
V(HI)
Time/3600
1C10A
Evaluation circuit
discharge
Hi
U1
R3 C1 PLUS G1
OUT+ IN+
1G 10n GVALUE
MINUS OUT- IN-
MSE-50-12
NS = 1 limit(V(%IN+, %IN-)/5m,0,Idch)
SOC1 = 1
TSCALE = 1
0 0 0 0
All Rights Reserved Copyright (c) Bee Technologies Inc. 2011
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5. Charge/Discharge Characteristics Reference
Charge Battery
Discharge Battery
All Rights Reserved Copyright (c) Bee Technologies Inc. 2011
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