Weco 4K4LT
The Weco 4K4LT is a battery pack with a nominal voltage of 51.2 Vdc, a capacity of 86 Ah, certification to CB / IEC62368-1 / IEC62619 / CE / UN38.3, dimensions of 492 × 580 × 155 mm, a weight of 46 kg and RS485, CAN, RS232, Wi-Fi & Bluetooth (with External device) communication.
Last updated: 1 November 2026
Battery and charging
- Capacity (amp-hours)
- 86 Ah
- Energy (kilowatt-hours)
- 4,4 kWh
- Voltage
- 51.2 Vdc
- Rated charge cycles
- > 6000 (25°C)
- Series and parallel limit
- 15 direct parallel (Stack max 5 units)
Row from the maker’s page: “Usable Capacity” | “86 Ah”
Source: web.archive.org/web/20241117201734id_/https://wecobatteries.com/wp-content/uploads/2024/06/04-Brochure_4k4-LT-1.pdf
Row from the maker’s page: “Battery System Capacity” | “4,4 kWh”
Source: web.archive.org/web/20241117201734id_/https://wecobatteries.com/wp-content/uploads/2024/06/04-Brochure_4k4-LT-1.pdf
Row from the maker’s page: “Single Module Nominal Voltage” | “51.2 Vdc”
Source: web.archive.org/web/20241117201734id_/https://wecobatteries.com/wp-content/uploads/2024/06/04-Brochure_4k4-LT-1.pdf
Row from the maker’s page: “Expected Cycle Life @ STC” | “> 6000 (25°C)”
Source: web.archive.org/web/20241117201734id_/https://wecobatteries.com/wp-content/uploads/2024/06/04-Brochure_4k4-LT-1.pdf
Row from the maker’s page: “Modules Expandability” | “15 direct parallel (Stack max 5 units)”
Source: web.archive.org/web/20241117201734id_/https://wecobatteries.com/wp-content/uploads/2024/06/04-Brochure_4k4-LT-1.pdf
Battery care and safety
- Ingress protection
- IP 30 (Indoor application Only)
- Temperatures it may be charged in
- -5 ~ +55 °C
- Temperatures it may be run in
- -20 ~ +60 °C
- Humidity it is rated for
- 5 % ~ 95 % RH
- Highest altitude it is rated for
- < 3000 m
Row from the maker’s page: “Ingress Protection” | “IP 30 (Indoor application Only)”
Source: web.archive.org/web/20241117201734id_/https://wecobatteries.com/wp-content/uploads/2024/06/04-Brochure_4k4-LT-1.pdf
Row from the maker’s page: “Charge Temperature” | “-5 ~ +55 °C”
Source: web.archive.org/web/20241117201734id_/https://wecobatteries.com/wp-content/uploads/2024/06/04-Brochure_4k4-LT-1.pdf
Row from the maker’s page: “Discharge Temperature” | “-20 ~ +60 °C”
Source: web.archive.org/web/20241117201734id_/https://wecobatteries.com/wp-content/uploads/2024/06/04-Brochure_4k4-LT-1.pdf
Row from the maker’s page: “Humidity” | “5 % ~ 95 % RH”
Source: web.archive.org/web/20241117201734id_/https://wecobatteries.com/wp-content/uploads/2024/06/04-Brochure_4k4-LT-1.pdf
Row from the maker’s page: “Altitude” | “< 3000 m”
Source: web.archive.org/web/20241117201734id_/https://wecobatteries.com/wp-content/uploads/2024/06/04-Brochure_4k4-LT-1.pdf
Size and fit
- Weight
- 46 kg
- Overall dimensions
- 492 × 580 × 155 mm
Row from the maker’s page: “Weight” | “46 kg”
Source: web.archive.org/web/20241117201734id_/https://wecobatteries.com/wp-content/uploads/2024/06/04-Brochure_4k4-LT-1.pdf
Row from the maker’s page: “Dimensions (mm)” | “492 × 580 × 155”
Source: web.archive.org/web/20241117201734id_/https://wecobatteries.com/wp-content/uploads/2024/06/04-Brochure_4k4-LT-1.pdf
Compatibility
- Battery voltage window
- 46.5 ~ 58.4 Vdc
- Communication protocol
- RS485, CAN, RS232, Wi-Fi & Bluetooth (with External device)
Row from the maker’s page: “Voltage Range” | “46.5 ~ 58.4 Vdc”
Source: web.archive.org/web/20241117201734id_/https://wecobatteries.com/wp-content/uploads/2024/06/04-Brochure_4k4-LT-1.pdf
Row from the maker’s page: “Communication Interface” | “RS485, CAN, RS232, Wi-Fi & Bluetooth (with External device)”
Source: web.archive.org/web/20241117201734id_/https://wecobatteries.com/wp-content/uploads/2024/06/04-Brochure_4k4-LT-1.pdf
Certification claims
- Standard certified to
- CB / IEC62368-1 / IEC62619 / CE / UN38.3
Row from the maker’s page: “Standards” | “CB / IEC62368-1 / IEC62619 / CE / UN38.3”
Source: web.archive.org/web/20241117201734id_/https://wecobatteries.com/wp-content/uploads/2024/06/04-Brochure_4k4-LT-1.pdf
Sources
- Archived document
Source: web.archive.org/web/20241117201734id_/https://wecobatteries.com/wp-content/uploads/2024/06/04-Brochure_4k4-LT-1.pdf
Retrieved November 1, 2026