WINDY NATION BattaMax BAT-NSAP12-040 User manual

BattaMax User Manual
Revision 3.0
Page 1 of 13
windynation
01/04/2017
BattaMax
Absorbent Glass Mat (AGM) – Sealed Lead Acid (SLA) Batteries
BAT-NSAP12-040
BAT-NSAP12-100
User’s Manual

BattaMax User Manual
Revision 3.0
Page 2 of 13
windynation
01/04/2017
Table of Contents
1Introduction .................................................................................................................................................. 3
1.1 Safety ...................................................................................................................................................... 3
1.2 Definitions................................................................................................................................................ 3
2Product Overview......................................................................................................................................... 3
2.1 Features .................................................................................................................................................. 4
2.2 Applications ............................................................................................................................................. 4
2.3 Specifications .......................................................................................................................................... 4
2.3.1 Electrical Specifications....................................................................................................................... 4
2.3.2 Physical Specifications ........................................................................................................................ 4
2.3.3 Regulatory Information ........................................................................................................................ 4
3Installation .................................................................................................................................................... 4
3.1 Environment ............................................................................................................................................ 5
3.1.1 Temperature ........................................................................................................................................ 5
3.2 Connections............................................................................................................................................. 5
3.2.1 Wire Gauge Reference........................................................................................................................ 6
3.2.2 Threaded Terminals ............................................................................................................................ 6
3.3 Configuration ........................................................................................................................................... 6
3.3.1 Series Connection ............................................................................................................................... 6
3.3.2 Parallel Connection ............................................................................................................................. 7
3.3.3 Series-Parallel Connection .................................................................................................................. 7
4Service and Maintenance ............................................................................................................................ 8
4.1 Charging .................................................................................................................................................. 8
4.1.1 State of Charge (SOC) ........................................................................................................................ 8
4.1.2 Charge Characteristic Curve (Standby Use) ....................................................................................... 9
4.1.3 Temperature Compensation................................................................................................................ 9
4.2 Discharging.............................................................................................................................................. 9
4.2.1 Constant Current Discharge................................................................................................................ 9
4.2.2 Constant Power Discharge................................................................................................................ 10
4.2.3 Discharge Characteristic Curve......................................................................................................... 10
4.3 Maintenance .......................................................................................................................................... 10
5Storage....................................................................................................................................................... 10
5.1 Temperature Effects on Storage ........................................................................................................... 11
5.1.1 Hot Environments (greater than 90°F or 32°C) ................................................................................. 11
5.1.2 Cold Environments (less than 32°F or 0°C) ...................................................................................... 11
5.2 Recycling ............................................................................................................................................... 11
6Testing and Support................................................................................................................................... 11
6.1 Open Circuit Voltage ............................................................................................................................. 11
6.2 Discharge – Capacity ............................................................................................................................ 11
6.3 Support .................................................................................................................................................. 12
6.4 Limited Warranty ................................................................................................................................... 12
6.5 Restrictions............................................................................................................................................ 12
6.6 Warranty Claims & Return Procedures ................................................................................................. 12
6.7 Disclaimer.............................................................................................................................................. 13
6.8 Limitation of Liability .............................................................................................................................. 13

BattaMax User Manual
Revision 3.0
Page 3 of 13
windynation
01/04/2017
1 INTRODUCTION
Thank you for purchasing a BattaMax battery, another quality product from Windy Nation. Deep cycle batteries
are a key component in various types of renewable energy systems and the primary method to store direct
current (DC) power produced from sources like solar panels and wind generators. A battery bank can provide a
relatively constant power source when the grid is down or during periods when your renewable energy system is
not producing power.
This manual contains vital information regarding proper care and maintenance of your new BattaMax battery.
Read through this User’s Guide carefully and completely BEFORE using and installing your battery.
The manual will provide safety guidelines and procedures for using your battery to ensure optimum performance
and long life. The manual will not provide details about any of the connected equipment to the battery (eg:
charge controllers, inverters, etc.). Information concerning any connected equipment should be available from
the equipment manufacturer.
1.1 SAFETY
Windy Nation Inc. (“Windy Nation”) is not assembling or installing the product and therefore Windy Nation, its
directors, officers, and employees disclaim that by purchasing a Windy Nation product you accept all liability and
responsibility for damage to property, injury, or death arising out of or related to the use or misuse of any
product offered by Windy Nation.
Installation and servicing should be referred to qualified service personnel.
Remove all sources of power (photovoltaic, wind generator, battery chargers, etc.) before servicing or
installing.
Battery Safety
Warning: Batteries can produce explosive gasses; observe extreme caution.
Have plenty of fresh water and soap nearby in case battery acid contacts skin, clothing or eyes.
NEVER smoke or allow a spark or flame in the vicinity of the battery.
Be extremely cautious of metal items such as jewelry and tools to reduce risk of short circuit.
Never charge a frozen battery.
Be sure battery is mounted in a well-ventilated compartment.
Use insulated tools and wear protective clothing when working with batteries
1.2 DEFINITIONS
•AGM Absorbed Glass Mat
•Ah Amp-Hours
•AWG American Wire Gauge
•CCA Cold Cranking Amps
•BAT Battery
•SOC State of Charge: Available Amp-hours relative to the batteries full capacity
2 PRODUCT OVERVIEW
The BattaMax is an AGM battery, which is a lead-acid electric storage battery, sealed using special pressure
valves and designed to never be opened. The battery has all of its electrolyte absorbed in separators consisting
of a sponge-like mass of matted glass fibers using a recombination reaction to prevent the escape of hydrogen
and oxygen gases normally lost in flooded lead-acid batteries (particularly in deep cycle applications).
The BattaMax is non-spillable meaning it can be operated in virtually any position and is completely
maintenance-free. Typically, new deep-cycle batteries will not immediately deliver their full rated capacity. This
is normal and should be expected since it takes time for a deep-cycle battery to reach maximum performance or
peak capacity; usually in less than 10 cycles.

BattaMax User Manual
Revision 3.0
Page 4 of 13
windynation
01/04/2017
When operating batteries at temperatures below 77°F (25°C), they will deliver less than the rated capacity. For
example, at 0°F (-18°C) the battery will deliver 86% of its capacity and at 77°F (25°C) it will deliver 100% of its
capacity. Similarly, when operating batteries at temperatures above 77°F (25°C), they will deliver more than the
rated capacity but the battery life expectancy will be reduced. The overall life expectancy will vary by application,
frequency of usage and environmental temperature.
2.1 FEATURES
Maintenance Free Operation
Compact Design with embedded carry handles
High Quality and High Reliability
10-year life expectancy (@25°C)
6-month storage life
Reliable threaded terminals
ABS plastic container offering excellent impact resistance and strength
2.2 APPLICATIONS
Renewable energy (Solar & Wind) power storage
Telecommunication systems
Alarm and security systems
Backup - Emergency power
Portable DC power
UPS (Uninterrupted Power System)
Marine & RV house power
Electric Vehicles
2.3 SPECIFICATIONS
2.3.1 Electrical Specifications
Parameter
BAT-NSAP12-040
BAT-NSAP12-100
Nominal Voltage
12V (6 cells)
Nominal Capacity (20hr, 1.80V/cell, 25oC)
40 Ah
106 Ah
Nominal Capacity (10hr, 1.80V/cell, 25oC)
38 Ah
100 Ah
Max Discharge Current
456A (5S)
1200A (5S)
Internal Resistance
10.0mΩ
4.9mΩ
Cycle Use
14.4~15.0V (25oC) Temp. Coefficient -30mV/oC
Standby Use
13.5~13.8V (25oC) Temp. Coefficient -20mV/oC
Max Charge Current
11.4 Amps
30 Amps
Nominal Capacity: Calculated by multiplying current in amperes by time in hours of discharge to specified volts per cell.
2.3.2 Physical Specifications
Parameter
BAT-NSAP12-040
BAT-NSAP12-100
Dimension (L x W x H)
7.8” x 6.5” x 6.7”
(197mm x 165mm x 170mm)
13.0” x 6.8” x 8.7”
(330mm x 173mm x 220mm)
Unit Weight
29.1 lb. (13.2Kg)
67.0 lb. (30.4Kg)
Terminal
T6
T11
Container Material
ABS Plastic
Nominal Operating Temperature
25oC +/-3oC (77oF +/-5oF)
Discharge Temperature Range
-15oC to 50oC (5oF to 122oF)
Charge Temperature Range
0oC to 40oC (32oF to 104oF)
Storage Temperature Range
-15oC to 40oC (5oF to 104oF)
2.3.3 Regulatory Information
The 40ah and 100ah BattaMax Batteries have the following safety approvals and certifications:
•CE
•IEC 60896.22
3 INSTALLATION
Deep-cycle AGM batteries release small amounts of gas during usage, particularly during the charging process.
Be sure there is adequate ventilation in the area where the batteries are to be installed. If using multiple
batteries, the empty space surrounding adjacent batteries should be at least 0.50” (12.7 mm) to permit airflow
around each battery.

BattaMax User Manual
Revision 3.0
Page 5 of 13
windynation
01/04/2017
The BattaMax is non-spillable and can be placed either upright or on their sides. The battery should never be
oriented upside down (terminals facing down).
Important: Batteries deliver large amounts of power that can cause injury and even death. Please observe the
rules set forth in Section 1.1 when working on or around batteries.
Caution: Risk of fire, explosion, or burns. Do not disassemble, heat above 70°C (160°F), or incinerate.
3.1 ENVIRONMENT
Batteries should be installed in a clean, dry, well ventilated area, keeping water, oil, and dirt away from the
batteries. The accumulation of these materials on the batteries can result in self-discharge and possible short-
circuits.
3.1.1 Temperature
Temperature is a major factor in battery performance and battery life expectancy. This is because at higher
temperatures there is more chemical activity inside a battery than at lower temperatures.
The following chart shows the temperature effects to the battery capacity:
The following chart shows the temperature effects on the battery life expectancy:
The recommended operating temperature range is between 0oC to 40oC (32oF to 104oF) with a humidity of less
than 90%. Elevated battery temperatures of greater than 25oC (77oF) will reduce operating life, while lower
battery temperatures of less than 25oC (77oF) will reduce battery performance and extend battery life.
It is important to note that the temperature of the battery and the ambient temperature can differ significantly. As
an ambient temperature can be changed rapidly, the battery temperature is slower to change due to the thermal
mass of the battery. Batteries that are exposed to colder climates should be kept at a higher State of Charge
(SOC) to prevent freezing. A frozen battery must be completely thawed prior to any use.
3.2 CONNECTIONS
WARNING: Faulty connections can lead to poor performance, terminal damage, and possible fire.

BattaMax User Manual
Revision 3.0
Page 6 of 13
windynation
01/04/2017
Battery cables provide the link between the batteries, equipment, and charging system. The battery cable
should be sized for the maximum load of the system where the voltage drop on the cable will not exceed 0.2
volts. To ensure proper connections, please use the wire gauge reference in Sec 3.2.1. Please note: UL and
NEC electrical cable amperage ratings are lower than the chart below.
3.2.1 Wire Gauge Reference
AWG
Diameter
inches (mm)
Ohms per
1000ft
Maximum
Current (A)
16 0.051 (1.29) 4.016 22
14
0.064 (1.63)
2.525
32
12 0.081 (2.05) 1.588 41
10
0.102 (2.59)
0.999
55
8 0.129 (3.26) 0.628 73
6
0.162 (4.11)
0.395
101
4 0.204 (5.19) 0.249 135
2
0.258 (6.54)
0.156
181
0 (1/0) 0.325 (8.25) 0.098 245
00 (2/0)
0.365 (9.27)
0.078
283
000 (3/0) 0.410 (10.4) 0.062 328
0000 (4/0)
0.460 (11.68)
0.049
380
3.2.2 Threaded Terminals
The BattaMax has two threaded terminals and comes with the necessary bolts and washers to secure a cable
connection.
Place battery connection cable lug (not included) over the threaded insert of the battery terminal ensuring that
the cable lug connection is contacting the metal surface of the terminal. Place the flat washer on top of the cable
lug, followed by the lock washer. Do not place washer between the terminal lead and the battery wire, which
creates high resistance and can cause terminal meltdown.
Add the hexagonal bolt and tighten to a torque of 98-107 (in-lbs), 11-12 (Nm)
3.2.2.1 Terminal Protection
Corrosion can build up on terminals if they are not kept clean and dry. To prevent corrosion, apply a thin coat of
terminal protector spray that can be purchased through your local automotive parts dealer.
3.3 CONFIGURATION
Batteries can be connected in series (increases voltage, maintains ah capacity), in parallel (increases ah
capacity, maintains voltage), or in a combination of series and parallel.
3.3.1 Series Connection
A series connection will increase the system voltage and the system capacity (Ah) will remain unchanged.

BattaMax User Manual
Revision 3.0
Page 7 of 13
windynation
01/04/2017
For example, if two 12V batteries with 50Ah of capacity are wired in series, the resulting battery bank will be 24V
(12V + 12V = 24V) of 50Ah.
3.3.2 Parallel Connection
A parallel connection will increase the system capacity (Ah) and the system voltage will remain unchanged.
For example, if two 12V batteries with 50Ah of capacity are wired in series, the resulting battery bank will be 12V
of 100Ah (50Ah + 50Ah = 100Ah).
3.3.3 Series-Parallel Connection
A Series-Parallel connection will increase the system capacity (Ah) as well as increase the system voltage.
For example, if four 12V batteries with 50Ah of capacity are wired in series-parallel, the resulting battery bank
will be 24V of 100Ah.

BattaMax User Manual
Revision 3.0
Page 8 of 13
windynation
01/04/2017
4 SERVICE AND MAINTENANCE
4.1 CHARGING
BattaMax batteries are charged at the factory and are ready for installation when they are received. Proper
charging will maximize battery performance and lifecycle. Undercharging as well as overcharging batteries will
significantly reduce the life of the battery. For optimum performance the use of a 3-stage charge controller is
recommended (Bulk, Absorption, and Float). The three stage charge process provides a somewhat higher
charge voltage to charge the battery quickly and safely. Once the battery is fully charged, a somewhat lower
voltage is applied to maintain the battery in a fully charged state.
Important: Batteries should be fully charged after each discharge of at least 30 minutes.
Charge only in well-ventilated areas.
Caution: Never charge a frozen battery and avoid charging at temperatures above 122°F (50°C).
Charge Mode
Voltage Setting1
(@25°C, 77°F)
Bulk
14.4V
Absorption
14.1 – 14.7V
Float
13.5V
1Temperature compensated charging should be used at -4.0 mV/Cell/oC
4.1.1 State of Charge (SOC)
Charge Percentage
(%)
Cell
(Open Circuit Voltage)
Battery
(Open Circuit Voltage)
100
2.14
12.84
75
2.09
12.54
50
2.04
12.24
25
1.99
11.94
0
1.94
11.64

BattaMax User Manual
Revision 3.0
Page 9 of 13
windynation
01/04/2017
4.1.2 Charge Characteristic Curve (Standby Use)
4.1.3 Temperature Compensation
Many charge controllers offer a Battery Temperature Sensor (BTS) that automatically adjusts the charging
parameters based on the measured battery temperature.
The temperature should be adjusted by subtracting 0.004 volt per cell from the voltage reading for every 1°C
above 25°C, or adding 0.004 volt per cell for every 1°C below 25°C.
4.2 DISCHARGING
Batteries should be sized so the rated capacity is double that of the required load. As an example, if the load will
require 50Ah on average, the battery capacity should be 100Ah. This will limit the average depth of discharge to
50% and will extend the life of the battery as shown below
4.2.1 Constant Current Discharge
Amperes at 25oC (77oF)
10min
15min
20min
30min
45min
1h
2h
3h
5h
10h
20h
F.V/Time
040
100
040
100
040
100
040
100
040
100
040
100
040
100
040
100
040
100
040
100
040
100
1.80V/cell
50.9
167.6
42.0
143.7
36.7
123.5
29.9
92.1
22.9
68.7
19.2
55.1
12.6
33.1
9.5
24.6
6.5
17.2
3.8
10.0
2.0
5.2
1.75V/cell
57.8
186.3
47.3
154.0
40.5
130.8
32.5
96.5
25.0
71.3
20.9
57.1
13.1
34.4
9.9
25.4
6.6
17.6
3.9
10.1
2.1
5.3
1.70V/cell
65.3
199.5
52.5
165.1
44.7
138.9
35.5
101.8
26.9
74.6
22.1
59.5
13.9
35.3
10.4
26.0
7.0
17.9
4.1
10.2
2.1
5.3
1.65V/cell
70.1
215.1
56.2
178.5
47.6
146.6
37.4
106.7
28.5
77.4
22.9
61.9
14.4
36.3
10.8
26.7
7.2
18.3
4.2
10.3
2.2
5.4
1.60V/cell
77.1
232.5
61.6
188.5
51.7
154.3
39.9
112.3
29.6
80.5
23.6
63.8
14.7
37.5
11.1
27.6
7.4
18.6
4.3
10.5
2.2
5.5

BattaMax User Manual
Revision 3.0
Page 10 of 13
windynation
01/04/2017
4.2.2 Constant Power Discharge
Watts per Cell at 25oC (77oF)
10min
15min
20min
30min
45min
1h
2h
3h
5h
10h
20h
F.V/Time
040
100
040
100
040
100
040
100
040
100
040
100
040
100
040
100
040
100
040
100
040
100
1.80V/cell
93.9
312.2
78.1
271.0
68.9
235.1
56.7
176.8
44.1
132.7
37.2
107.2
24.6
63.8
18.6
47.7
12.7
33.6
7.6
19.8
4.1
10.3
1.75V/cell
104.9
344.9
87.0
288.7
75.4
247.8
61.1
184.3
47.7
137.3
40.3
110.8
25.5
66.0
19.3
49.1
13.0
34.3
7.8
19.9
4.2
10.4
1.70V/cell
115.9
366.5
95.2
307.7
82.6
261.8
66.3
193.6
51.2
143.0
42.5
115.0
26.8
67.6
20.2
50.1
13.7
34.8
8.1
20.1
4.3
10.5
1.65V/cell
123.3
391.4
101.1
330.2
87.2
274.5
69.4
201.9
53.7
147.7
43.7
119.1
27.7
69.2
21.0
51.3
14.1
35.3
8.3
20.3
4.4
10.6
1.60V/cell
132.6
418.2
109.0
345.1
93.7
286.6
73.6
211.1
55.5
152.9
44.8
122.4
28.2
71.1
21.4
52.7
14.4
35.9
8.5
20.5
4.5
10.7
4.2.3 Discharge Characteristic Curve
4.3 MAINTENANCE
BattaMax batteries do not require equalizing or electrolyte leveling but periodic inspections and parameter
recording will ensure effective operation and identify issues before they become problematic.
1. Examine the outside appearance of the battery. The tops of the batteries and terminal connections
should be clean and dry, as well as free of dirt and corrosion.
2. Check for any evident fluids. If fluid is present on the top of the battery, it generally indicates that the
battery is being overcharged.
3. Check battery cables and connections. Replace any damaged cables and tighten any loose
connections.
4. The following will only be done when all electrical connections are completely disconnected from the
battery. Clean the top of the battery, terminals and connections with a cloth or brush, and a solution of
baking soda and water (1 cup of baking soda to 1 gallon of water). Rinse with water and dry with a clean
cloth and re-apply a thin coat of terminal protector spray. Thoroughly and completely dry the battery
before attaching electrical connections.
5 STORAGE
Batteries may be stored prior to installation for up to 2 years at 25oC (77oF).
NOTE: Store in a cool, dry location, protected from the elements.
Disconnect all connections to the battery and charge the battery to 100% SOC. When batteries are taken out of
storage, they should be recharged before use.
Batteries in storage should be boost charged every 3 months or when the SOC drops below 50%.