9
Electrical Specifications
Nominal Voltage
25.6 V
Charge Voltage
27.2 V
Maximum Voltage
29.6 V
Minimum Voltage
22.4 V
Nominal Capacity
40 Ah
Nominal Energy
1024 Wh
Max Continuous Current
40 A
Fuse
40 A Internal Fuse -
provides backup over-
current protection
Cell Chemistry
LiFePO4
Cell Modules
8S 8P
Self-Discharge 25°C / 77°F
< 3% per month
(battery off)
Fault Limits
Over Temperature - Discharge Protection
> 60°C/140°F for 2s
Over Temperature - Charge Protection
> 45°C/113°F for 2s
Low Temperature - Discharge Protection
< -20°C/-4°F for 2s
Low Temperature - Charge Protection
< -1°C/30°F for 2s
Over Voltage Protection
> 3.7 V in any cell
module for 2s
Under Voltage Protection
< 2.8 V in any cell
module for 2s
Over Current Protection
45 to 200 A for 5s
In-Rush Current Protection
200 to 260 A for 640ms
Mechanical Specifications
Battery Dimensions (HxWxD)
198 x 167 x 258 mm
Battery Weight
12.4 kg
Shipping Dimensions (HxWxD)
248 x 250 x 340 mm
Shipping Weight
13 kg
Terminal
A2 - M6
Terminal Hardware
M6 Stainless Steel
Bolt, Flat Washer, Lock
Washer (Supplied)
Terminal Torque
7.0 - 7.7 Nm
Case Material
PC-ABS UL 94 V0
Compliant
Enclosure IP Rating
IP 55
Charge Temperature Range
0°C/45°C (32°F/113°F)
Discharge Temperature Range
-20°C/50°C (-4°F/122°F)
Storage Temperature Range
-20°C/45°C (-4°F/113°F)
5 4 3 2 1
9 8 7 6
10
15 14 13 12 11
5
4
3
2
1
9
8
7
6
10
15
14
13
12
11
FEMALE
MALE
Pin 3
RS232 GND
Isolated RS232 Ground
Pin 4
RS232 TX
Isolated RS232 Transmit
Pin 5
RS232 RX
Isolated RS232 Receive
Regulatory Approvals
UN 38.3, IEC 62133,
UL2271
Operational Specifications
Battery Management System (BMS)
Integrated, with Solid
State Relay (SSR)
Cell Balancing
Passive balancing
during charge when
Cell Voltage > 3.35 V
Non-Volatile Memory
Yes
Lifetime Logged Data
Charge Amp-Hours,
Discharge Amp-Hours
(lifetime)
State of Charge Battery Meter
5 LEDs (> 80%, 60%,
40%, 20%, 5%)
Communication Ports
Isolated RS232
communication port
Communication Connector
DE-15 Female
11. 15-24-1000 TECHNICAL SPECIFICATIONS