- Download Dual Voltage 5K3 (not valid for XP models)



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 |
Rated Electric Charge |
90 Ah |
Rated Capacity |
4.6 kWh |
Cell Type |
3.2 V / 90 Ah – LFP 3.2 V |
Charge Mode |
CC-CV |
Rated Charge Current |
44 A ( 0.5C Suggested ) |
Max Charge Current |
90 A ( 1 C ) |
Rated Discharge Current |
44 A ( 0.5C Suggested ) |
Max Discharge Current | 90 A ( 1 C ) |
Communication Port | 2 x CAN 2.0 – 1 x RS232 |
Battery Protection |
Over Charge / Over Discharge / Over Temperature / Over Current / Short Circuit |
Dimensions ( HxDxW ) |
650x105x544 mm |
Weight | 44 Kg |
Installation | Wall Mounted |
Warranty | 10 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 |
Rated Electric Charge |
90 Ah |
Rated Capacity |
4.6 kWh |
Cell Type |
3.2 V / 90 Ah – LFP 3.2 V |
Charge Mode |
CC-CV |
Rated Charge Current |
5.6 A @ 450 V (2520 W) |
Max Charge Current |
8 A @ 450 V |
Rated Discharge Current |
8 A @ 450 V (3600 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 ) |
729x105x544 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.