SLB Energy Storage

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The industry’s most durable, longest-life battery for long duration storage

Page last modified
August 4 2023

The solution reliably operates in a wide ambient temperature range without an extraneous HVAC system. Its unique chemistry eliminates the need for prophylactic fire suppression. These cost savings, coupled with dramatically reduced OPEX, enables the EnerStation to achieve the lowest Levelized Cost of Storage (LCOS) in its class.


3/30/3.000 : Cycle up to 3 times/day, boast an expected lifetime of 30 years and 30,000 cycles - without augmentation
No Fire risk: No risk of thermal runaway or fire propagation, unlike Li-ion chemistries
Technology proven through 30 years of demanding NASA applications
Weight may be a limiting factor for some applications


Dimensions, f [m] 8 x 9.5 x 21 [2.4 x 2.9 x 6.4]
Max Weight, lb [kg] 42,000 [19,050]
Ingress Rating IP44 / IP65 for electronics
Ambient Operating Temperature, degF [degC] 14 to 113 [-10 to 45]
Cooling Type Forced Air
Usable Capacity ~366 kWh / Container
DC System RTE (C/4 25 C) 87%
Maximum Power 183 kW
DC System Voltage 1,000V / 1,5000V system 680 - 1,000V / 1,010 – 1,500V
C-rates C/2 to C/12
DC Disconnect Included
Chemistry Nickel Hydrogen (NiH2)
Aux Load (Standby/Max) 250 Watts/ 4.27 k
Charging Mode Constant Current / Constant Power across entire SOC range
Capacity after 30,000 cycles 86%
Depth of Discharge 100%
Product Warranty 3-year standard, extendable to 20 yrs
Certification in 2023 UL 1973, 9540, 9540A, UL 1998
BMS (Software) Included
Minimum replaceable BMU unit Single cell access
Communication protocol Modbus TCP/IP

Relative Business Impact


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Technology Readiness Level


Development Technology demonstration Mature / Proven
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SLB is a global technology company. New identity focuses on energy innovation and decarbonization to address the world’s energy needs today and to forge the road ahead for the energy transition.
SLB (NYSE: SLB) is a global technology company that drives energy innovation for a balanced planet. With a global footprint in more than 100 countries and employees representing almost twice as many nationalities, we work each day to decarbonize oil and gas and develop scalable new energy technologies to accelerate the energy transition. Find out more at

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