ENVOY MEDIUM VOLTAGE SERIES

The Envoy Series: High-Performance UPS & Grid Storage Technology.

WEST Envoy Series

The WEST Envoy Series leverages advanced Optimized Supercapacitor technology to deliver UPS functionality with built-in fail tolerance that ensures no downtime. Designed for operational continuity, it is field serviceable without interrupting power.

The Envoy Series is specifically engineered for a wide range of demanding environments, including data centers, EV charging, grid-storage, and industrial applications. It sets a new benchmark for reliability and performance.

10 year
Warranty
Zero
Downtime
UPS
Functionality
WEST Envoy 1.78kWh

ENVOY 1.78

1.78kWh / 5C Rate
  • Module Type: 1.78 kWh / V
  • Max String Voltage (16): 857.6 V
  • Max Cont. Current: 200 A
  • Max Peak Current: 200 A
  • Dimensions (mm): 488.5 x 427.2 x 167.2
  • Module Weight: 36.2 kg
  • Crate Weight: 7.4 kg
  • Max Modules per String: 16
  • Discharge Voltage (2C): 704 V
  • Discharge Voltage (5C): 640 V
STRONGLY SUGGESTED
WEST Envoy 3.3kWh

ENVOY 3.3

3.3kWh / 3C Rate
  • Module Type: 3.3 kWh / V
  • Max String Voltage (16): 857.6 V
  • Max Cont. Current: 200 A
  • Max Peak Current: 250 A
  • Dimensions (mm): 488.5 x 745.1 x 167.2
  • Module Weight: 69.09 kg
  • Crate Weight: 10.2 kg
  • Max Modules per String: 16
  • Discharge Voltage (2C): 704 V
  • Discharge Voltage (5C): 640 V
WEST Envoy 5.0kWh

ENVOY 5.0

5.0kWh / 2C Rate
  • Module Type: 5.0 kWh / V
  • Max String Voltage (16): 857.6 V
  • Max Cont. Current: 200 A
  • Max Peak Current: 250 A
  • Dimensions (mm): 488.5 x 745.1 x 246
  • Module Weight: 104.68 kg
  • Crate Weight: 11.0 kg
  • Max Modules per String: 16
  • Discharge Voltage (2C): 704 V
  • Discharge Voltage (5C): 640 V

System Overview

  • Storage Type: Optimized Supercapacitor
  • Communication: Ethernet / CAN / External Wi-Fi
  • Interface: WEST BMS App for iOS & Android
  • Temperature: -40°C to 65°C (No parasitic HVAC)
  • Efficiency: >97% Round Trip
  • Application: On-Grid / UPS / Industrial

Industrial Grade Safety

  • Dual Safety: Fuse and Contactor protection
  • Certification: UL810 Compliant
  • Fail Tolerance: Built-in UPS functionality
  • EZ-Power™: Safe activation & limited energy release

The WEST Envoy Series sets a new benchmark for reliability. With negligible degradation, ultra-fast charge and discharge, no thermal runaway hazard, and wide temperature resilience, it is the ultimate choice for data centers and demanding environments.

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