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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

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

Energy (kilowatt-hours)
4,4 kWh

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

Voltage
51.2 Vdc

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

Rated charge cycles
> 6000 (25°C)

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

Series and parallel limit
15 direct parallel (Stack max 5 units)

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)

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

Temperatures it may be charged in
-5 ~ +55 °C

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

Temperatures it may be run in
-20 ~ +60 °C

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

Humidity it is rated for
5 % ~ 95 % RH

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

Highest altitude it is rated for
< 3000 m

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

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

Overall dimensions
492 × 580 × 155 mm

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

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

Communication protocol
RS485, CAN, RS232, Wi-Fi & Bluetooth (with External device)

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