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Home All Products Lithium Power Plus 24 V – 420 Ah – 11.1 kWh
Lithium Power Basic 12 V – 150 Ah
Lithium Power Basic 12 V – 150 Ah
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Lithium Power Plus 24 V – 630 Ah – 16.6 kWh
Lithium Power Plus 24 V – 630 Ah – 16.6 kWh
WhisperPower

Lithium Power Plus 24 V – 420 Ah – 11.1 kWh

SKU: Lithium Power Plus 24 V – 420 Ah – 11.1 kWh Category: All Products Tags: 11.1 kWh, 24 V – 420 Ah, Lithium, Power Plus
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  • Description
Additional information
Brand

WhisperPower

Description

Lithium Power Plus 24 V – 420 Ah – 11.1 kWh modular battery rack. Contains 8 battery modules. Offers safe and space-saving energy storage, for use both on land and at sea. Advanced battery management with precise battery monitoring. DNV type approval is optional. Choice of horizontal and vertical casing.

This model is just an example of the extensive possibilities. Contact us for all custom options.

  • Highly safe energy storage system
  • Light weight modular rack design
  • Horizontal or vertical mounting
  • Optional pre-installed busbars and cabling
  • Plug and play
  • DNV type approval optional
  • Safe LiFePO4/LFP chemistry with prismatic cells

Safe modular accuracy system

Perfect for power installations with an inverter up to 7 kW, for example in medium-sized yachts, mobile workshops, and RVs. Strong housing with aesthetically sleek looks. A very safe way of energy storage. The cabinet is screwed into the technical space, therefore no chance of sliding let alone falling over. No additional ventilation or cooling required. Advanced BMS system with precise battery monitoring through Whisper Interface Box WIB (not included). This ensures the modules charge and discharge equally.

Safety

  • Safest and most reliable energy storage on the market
  • Extinguishable with all common extinguishing methods including water
  • Integrated safety measures
  • No risk of thermal runaway
  • Passive safety: even without electronics, the battery modules are safe
lithium power plus battery rack modular 24v 11.1kwh options
lithium-power-plus-batteries

Lithium Battery with LiFePO4 Technology

This battery rack is equipped with 8 modules that deliver a capacity of 420 Ah and a total energy storage of 11.1 kWh at a voltage of 24 VDC. Guaranteed highest quality thanks to LiFePO4 chemistry with primary cells. LiFePO4 stands for lithium iron phosphate and is also known by the abbreviation LFP. This is the safest lithium technology ensuring a longer lifespan, improved discharge, and charging efficiency. This makes the battery perfectly suitable for maritime applications. Additionally, lithium is completely maintenance-free and lighter in weight compared to other technologies. Want to know more? Everything about this lithium technology and applications can be found on the lithium battery information pages: part 1 and part 2.

Outstanding Scalable Energy Solution

Our Lithium Power Plus modular battery racks are excellent scalable energy solutions ensuring high-performance output. This specific construction of the battery modules within the enclosure extends lifespan, reliability, and ensures stable energy delivery. The design process includes carefully balancing the charging and discharging of each module, which poses a challenge with individual modules and their wiring.

Custom Design

Besides the standard models in horizontal and vertical configurations, much more is possible. We are happy to design your enclosure custom, with or without integrated DC distribution and one or more Whisper Interface Box battery management systems. Want to know which configuration fits your situation? Inquire about the possibilities.

lithium power plus custom design

Product specifications

ARTICLE NUMBER
40290205 Lithium Power Plus 24 V 11.1 kWh – Tower/Vertical
TECHNICAL SPECIFICATIONS
Chemistry LiFePO4
Module configuration (12 V module) 2s4p
Number of modules 8
Nominal voltage 24 V
Nominal energy 11,1 kWh
Open circuit voltage 26,4 V
Nominal capacity 420 Ah
Cycle Life DOD 80% >3500 cycles (at 1C charge / discharge, 80% DoD
Self discharge <3% per month
Weight modules (excel. aluminum cabinet), kg (lb) 80 (176.4)
DISCHARGE PARAMETERS
Discharge cut-off voltage 21,6V
Recommended discharge current 210 A (0.5C)
Maximum discharge current 420 A (1.0C)
Discharge pulse current 840 A (2.0C)
Fuse protection 2* 400 A T-class
CHARGE PARAMETERS
Charge method CCCV
Maximum charge voltage 29,8 V
Recommended charge voltage 28,6 V
Recommended charge current 210 A (0.5 C)
Continuous charge current 420 A (1.0 C)
CONFIGURATION
Series configuration Yes, up to 4 max
Parallel configuration Yes, up to 2 max
Redundant mode Yes, using double BIM
ENVIRONMENTAL
Operating temperature charge 0°C to 55 °C / 32°F to 131°F
Operating temperature discharge -20°C to 55°C / -4°F to 131°F
Storage temperature -20°C to 55°C / -4°F to 131°F
Humidity (Non-condensing) <95%
MECHANICAL
Power connections M1- stud, max 20NM
Cable connections Option: Top or Bottom
IP-Protection class IP 66 cell IP20 connection
Cooling Natural air convection
Module material PC-ABS, UL94-V0
Battery case material Aluminium Powdercoat
Dimensions (l x w x h), mm 870 x 280 x 465 (540)
Dimensions (l x w x h), inches 34,3 x 11 x 18,3 (21,3”)
Total weight module plus cabinet ±100-110 kg (220-243 lb.)
SAFETY
Battery Management System (BMS) External WP-BIM module
Balancing Passive method
Communication CAN-Bus whisperconnect/NMEA2000
EMC: Emission EN-IEC 61000-6-3:2007/A1:2011/C11:2012
EMC: Immunity EN-IEC 61000-6-1:2007
Low voltage directive EN 60335-1:2012/AC:2014
Certifications CE, FCC, UN 38.3, UL 1642 (Cells), UN ECE R10.06, EN/IEC 62620(ESTRIN)
Shipping classification UN3480

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