46-24-1540
Discover HELIOS Battery
TERMINAL
MECHANICAL SPECIFICATIONS
Industry Reference | BCI: GC2 | |
Length A (in/mm) | 10.2 | 260 |
Width B (in/mm) | 7.1 | 180 |
Height C (in/mm) | 10.0 | 254 |
Total Height D (in/mm) | 10.8 | 275 |
Weight (lbs/kgs) | 30.7 | 14.0 |
Terminal* | BM 5/16 | |
Cell(s) | Prismatic 8S2P | |
Case Material | UL94-VO PBT/PC | |
IP Rating | 67 | |
Electrolyte | LiFePO4 |
*TERMINAL TORQUE: 8 to 10 Nm (5.9 to 7.4 ft-lb). DO NOT EXCEED 10 Nm (7.4 ft-lb)
ELECTRICAL SPECIFICATIONS
Open Circuit Voltage (V) | 25.6 | |
Charge Voltage (Bulk Vdc) | 27.6 - 28.4 | |
Max Absorption Voltage (U1 Vdc) | 27.6 | |
Float Voltage (U2 Vdc) | 27.2 | |
BMS Max. Voltage protection (Vdc) | 29.2 (Approximately) | |
Suggested Low Voltage Cutoff (Vdc) * | 24.0 | |
BMS Min. Voltage protection (Vdc) | 20.0 (Approximately) | |
Max. Continuous Charge Current (I Max. Adc) | 60 | |
Min. Finishing Charge Current (I Min. Adc) | 2%-3% C1 / Min. 200ma | |
Max Continuous Discharge Current (Adc) | 120 | |
Max. Peak Current (Adc) | 180 A RMS (3 sec) | |
Self Discharge (25°C / 77°F) | < 3% per month | |
Charge Temperature | Min: -20°C (-4°F) | Max: 55°C (131°F) | |
Discharge Temperature | Min: -20°C (-4°F) | Max: 60°C (140°F) | |
Storage Temperature | Min: -10°C (14°F) | Max: 30°C (86°F) |
Electrical Specifications at 25°C.
CAUTION: Extra considerations must be given to depths of discharge, operating voltages and currents when designing
systems for use at maximum operating temperatures.
CAUTION: Do not exceed maximum voltage at the battery terminals (Bulk Vdc)
*NOTE: 98% of battery capacity is delivered above 3Vpc (12V, 24V, 36V and 48V models)
PERFORMANCE SPECIFICATIONS
Nominal Energy (kWh) | 1.54 | |
Useable DoD | 100% | |
Rated Wh Capacity (1C) | 1536 | |
Rated Ah Capacity (1C) | 60 |
FEATURES
LYNK PORT
- Connects battery string to LYNK Gateway
- Plug and Play Multi-battery BMS communication
HIGH-PERFORMANCE BMS
- Up to 3C peak power for inverters
- Discharge current up to 2C
- Continuous charge current up to 1C
- Sets Voltage, broadcasts SoC and temperature
- External field replaceable fuse protection
COLD CHARGING
- Integrated self-heating
STATUS VIEW
- ON / OFF multi-color status LED
ACCESSORIES
LYNK II GATEWAY
- Closed-loop communications with the world's best power electronics
- Plug and play charger configuration
BENEFITS
RUNS LONGER
- 2x the high-current runtime of lead-acid battery
- Up to 100% usable capacity
- Easy to parallel more capacity
LASTS LONGER
- 10x the life of lead-acid battery (BCI-06)
- Unlimited Partial State of Charge cycles
- Energy throughput warranty
CHARGES FASTER
- Up to 5x faster than new lead-acid batteries
- 2x faster than C/2 rated lithium batteries
- Opportunity charge at 1C rate anytime, regardless of SoC
SURGE POWER
- High 3C peak power
- Discharge current up to 2C
HIGH-EFFICIENCY
- Up to 50% more energy efficient than a lead-acid battery
- Up to 98% round-trip efficiency
PARALLEL POWER
- Easy to parallel more capacity
- Linear scaling of charge, discharge and peak capacity
- Parallel up to 20 batteries per LYNK device
QUICK INSTALL
- Fast installation. No special tools
RELIABLE AND SAFE
- LiFePO4 is safe
- Maintenance-free
- UL94 V0 flame retardant case and cover
- IP 67 rated
CERTIFIED QUALITY
Discover® manufacturing facilities are fully certified to ISO 9001/14001 and OSHA 18001 standards.
CERTIFICATION STANDARDS
- IEC 62619 (Pending)
- UL 1973 (Pending)
- CE
- UN 38.3
SHIPPING CLASSIFICATION
- UN 3480, Class 9 (Lithium batteries)
Fast Charging at .5C (2HR) to 1C (1HR)
Standard to Low Rate Charging at .2C (5HR) to .5C (2HR)
Voltage in Relation to Rate of Discharge
Discharge Voltage and Capacity vs. Temperature
Charge Performance (Lithium vs. Lead)
Discharge Performance (Lithium vs. Lead)
NOTES
CAUTION: Direct connection to DC motors without proper safety protection, motor controllers, and external motor voltage clamping systems (such as high power anti-parallel diodes or braking resistor systems) may result in damage to the internal pack protection system which may result in unsafe situations. Please consult Discover technical support before directly connecting any motorloads.
Discover® reserves the right to make adjustments to this publication at any time, without notice or obligation. Data in this publication are for reference use only and models may vary from shown. It is the responsibility of the reader of this information to verify any and all information presented herein. For more information contact us at info@discoverbattery.com

46-24-1540
Printed: 06/27/2022

Discover HELIOS Battery


TERMINAL
MECHANICAL SPECIFICATIONS
Industry Reference | BCI: GC2 | |
Length A (in/mm) | 10.2 | 260 |
Width B (in/mm) | 7.1 | 180 |
Height C (in/mm) | 10.0 | 254 |
Total Height D (in/mm) | 10.8 | 275 |
Weight (lbs/kgs) | 30.7 | 14.0 |
Terminal* | BM 5/16 | |
Cell(s) | Prismatic 8S2P | |
Case Material | UL94-VO PBT/PC | |
IP Rating | 67 | |
Electrolyte | LiFePO4 |
*TERMINAL TORQUE: 8 to 10 Nm (5.9 to 7.4 ft-lb). DO NOT EXCEED 10 Nm (7.4 ft-lb)
ELECTRICAL SPECIFICATIONS
Open Circuit Voltage (V) | 25.6 | |
Charge Voltage (Bulk Vdc) | 27.6 - 28.4 | |
Max Absorption Voltage (U1 Vdc) | 27.6 | |
Float Voltage (U2 Vdc) | 27.2 | |
BMS Max. Voltage protection (Vdc) | 29.2 (Approximately) | |
Suggested Low Voltage Cutoff (Vdc) * | 24.0 | |
BMS Min. Voltage protection (Vdc) | 20.0 (Approximately) | |
Max. Continuous Charge Current (I Max. Adc) | 60 | |
Min. Finishing Charge Current (I Min. Adc) | 2%-3% C1 / Min. 200ma | |
Max Continuous Discharge Current (Adc) | 120 | |
Max. Peak Current (Adc) | 180 A RMS (3 sec) | |
Self Discharge (25°C / 77°F) | < 3% per month | |
Charge Temperature | Min: -20°C (-4°F) | Max: 55°C (131°F) | |
Discharge Temperature | Min: -20°C (-4°F) | Max: 60°C (140°F) | |
Storage Temperature | Min: -10°C (14°F) | Max: 30°C (86°F) |
Electrical Specifications at 25°C.
CAUTION: Extra considerations must be given to depths of discharge, operating voltages and currents when designing
systems for use at maximum operating temperatures.
CAUTION: Do not exceed maximum voltage at the battery terminals (Bulk Vdc)
*NOTE: 98% of battery capacity is delivered above 3Vpc (12V, 24V, 36V and 48V models)
PERFORMANCE SPECIFICATIONS
Nominal Energy (kWh) | 1.54 | |
Useable DoD | 100% | |
Rated Wh Capacity (1C) | 1536 | |
Rated Ah Capacity (1C) | 60 |
FEATURES
LYNK PORT
- Connects battery string to LYNK Gateway
- Plug and Play Multi-battery BMS communication
HIGH-PERFORMANCE BMS
- Up to 3C peak power for inverters
- Discharge current up to 2C
- Continuous charge current up to 1C
- Sets Voltage, broadcasts SoC and temperature
- External field replaceable fuse protection
COLD CHARGING
- Integrated self-heating
STATUS VIEW
- ON / OFF multi-color status LED
ACCESSORIES
LYNK II GATEWAY
- Closed-loop communications with the world's best power electronics
- Plug and play charger configuration
BENEFITS
RUNS LONGER
- 2x the high-current runtime of lead-acid battery
- Up to 100% usable capacity
- Easy to parallel more capacity
LASTS LONGER
- 10x the life of lead-acid battery (BCI-06)
- Unlimited Partial State of Charge cycles
- Energy throughput warranty
CHARGES FASTER
- Up to 5x faster than new lead-acid batteries
- 2x faster than C/2 rated lithium batteries
- Opportunity charge at 1C rate anytime, regardless of SoC
SURGE POWER
- High 3C peak power
- Discharge current up to 2C
HIGH-EFFICIENCY
- Up to 50% more energy efficient than a lead-acid battery
- Up to 98% round-trip efficiency
PARALLEL POWER
- Easy to parallel more capacity
- Linear scaling of charge, discharge and peak capacity
- Parallel up to 20 batteries per LYNK device
QUICK INSTALL
- Fast installation. No special tools
RELIABLE AND SAFE
- LiFePO4 is safe
- Maintenance-free
- UL94 V0 flame retardant case and cover
- IP 67 rated
CERTIFIED QUALITY
Discover® manufacturing facilities are fully certified to ISO 9001/14001 and OSHA 18001 standards.
CERTIFICATION STANDARDS
- IEC 62619 (Pending)
- UL 1973 (Pending)
- CE
- UN 38.3
SHIPPING CLASSIFICATION
- UN 3480, Class 9 (Lithium batteries)
Fast Charging at .5C (2HR) to 1C (1HR)

Standard to Low Rate Charging at .2C (5HR) to .5C (2HR)

Voltage in Relation to Rate of Discharge

Discharge Voltage and Capacity vs. Temperature

Charge Performance (Lithium vs. Lead)

Discharge Performance (Lithium vs. Lead)

NOTES
CAUTION: Direct connection to DC motors without proper safety protection, motor controllers, and external motor voltage clamping systems (such as high power anti-parallel diodes or braking resistor systems) may result in damage to the internal pack protection system which may result in unsafe situations. Please consult Discover technical support before directly connecting any motorloads.
Discover® reserves the right to make adjustments to this publication at any time, without notice or obligation. Data in this publication are for reference use only and models may vary from shown. It is the responsibility of the reader of this information to verify any and all information presented herein. For more information contact us at info@discoverbattery.com