4K5

ULTRA

4K5 ULTRA is the World’s thinnest Dual Voltage  Li-Ion ESS

4K5 ULTRA – LOW VOLTAGE

4K5 Energy Storage Battery Specifications
Up to 15 modules in parallel

Rated Voltage
51.2 V
Voltage Range
46.5-58.4 V
Module Type
Prismatic Ultra-Thin
Cell Gross Capacity
100 Ah
Rated Capacity
5.1 kWh
DoD90%
Charge Mode
CC-CV
Rated Charge Current
50 A ( 0.5C Suggested )
Max Charge Current
100 A 
Rated Discharge Current
50 A ( 0.5C Suggested )
Max Discharge Current100 A 
Communication Port2 x CAN 2.0 – 1 x RS232
Battery Protection
Over Charge / Over Discharge / Over Temperature / Over Current / Short Circuit
Dimensions ( WxDxH )
644.5x105x553 mm
Weight44 Kg
InstallationWall Mounted
Warranty10 Years
Delivery Standard
UN 38.3
Protection Rating
IP54
Parallel Connection
Up to 15 Batteries in Parallel
PlugIn Device
V-BOOSTER Accessory to transform the LV module in HV Battery

See warranty terms for Performance warranty applicability

See Performance Warranty Terms and the Standard Test Conditions ’’STC’’ for operative temperature and standard current.

ll data is subject to change without prior notice; always ask WeCo for the most recent datasheet and manual before purchasing. No part of this document can be copied or reproduced without written permission of WeCo.

4K5 ULTRA – HIGH VOLTAGE

4K5 Energy Storage Battery Specifications

Rated Voltage
450 V
Voltage Range
400-500 V
Module Type
Prismatic Ultra-Thin
Cell Gross Capacity
100 Ah
Rated Capacity
5.1 kWh
DoD 90%
Charge Mode
CC-CV
Rated Charge Current
5.6 A @ 450 V (2520 W)
Max Charge Current
8 A @ 450 V
Rated Discharge Current
5,6 A @ 450 V (2520 W)
Max Discharge Current 8 A @ 450 V
Communication Port 2 x CAN 2.0 – 1 x RS232
Battery Protection
Over Charge / Over Discharge / Over Temperature / Over Current / Short Circuit
Dimensions ( WxDxH )
731.5x105x553 mm
Weight 49 Kg (With V-BOOSTER)
Installation Wall Mounted
Warranty 10 Years
Delivery Standard
UN 38.3
Protection Rating
IP54
Parallel Connection
Up to 12 modules in Parallel 450V

See warranty terms for Performance warranty applicability

See Performance Warranty Terms and the Standard Test Conditions ’’STC’’ for operative temperature and standard current.

ll data is subject to change without prior notice; always ask WeCo for the most recent datasheet and manual before purchasing. No part of this document can be copied or reproduced without written permission of WeCo.

WeCo’s numbers

1.6

GWh INSTALLED

42

ACTIVE COUNTRIES

365/24/7

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