LD4850-PRO
48 V / 48 Ah / 2304 Wh lithium UPS battery, PASS
Quality & compliance
Review our electronics production capabilities, model-specific CE-LVD certificates, lithium transport documentation and experience in critical-power applications.
Manufacturing capability
Our Shenzhen production floor supports SMT placement and reflow, through-hole assembly, power-board integration and cabinet assembly for UPS and inverter systems.



CE-LVD
The certificates name Shenzhen Youwei Energy Technology Co., Ltd. as certificate owner and manufacturer, use the HIGHIDEA® mark, and reference EN IEC 62040-1:2019/A2:2025 under the EU Low Voltage Directive 2014/35/EU. Ask sales to match the ordered model and suffix to the applicable certificate.
| Certificate | Date | Representative scope |
|---|---|---|
| 2026AT0427548 | 2026-05-07 | ET/LT/MT tower and rack families |
| 2026AT0511576 | 2026-05-14 | 31ET/33ET rack and selected H/HB/HT inverters |
| 2026AT0511577 | 2026-05-14 | HT/HTB/31HT and selected 110 V MT/LT/D models |
| 2026AT0511578 | 2026-05-14 | D/DT/GD and selected MT models |
| 2026AT0511579 | 2026-05-14 | C/N and selected 33DX models |
| 2026AT0511580 | 2026-05-14 | Selected 33DX/33GX/33EX three-phase models |
Lithium transport
Lithium shipping documents are selected by the battery pack or cell used in the ordered configuration.
48 V / 48 Ah / 2304 Wh lithium UPS battery, PASS
3.2 V / 6.0 Ah LiFePO4 cell
12.8 V / 15 Ah lithium UPS
Application experience
Examples include data centres, laboratories, broadcast systems, industrial equipment and mobile applications.

UPS with five battery packs.
Backup power for a laboratory / mass-spectrometry bench.

Lithium-battery UPS for broadcast/CCTV equipment.
Backup power for broadcast/CCTV television equipment.

ET3KR — 3 kVA rack-mounted built-in LiFePO4 UPS.
Rack-level protection for compute equipment with less space and weight than a comparable lead-acid configuration.

Lithium-battery UPS.
IT-room backup power for an engineering-sector application.

Lithium-battery UPS installed in a mobile cabinet.
Mobile protected-power system for environmental monitoring equipment.

Lithium-battery UPS.
Protected power for industrial equipment.
Project documentation
Share the host model, battery selection and destination. Sales can identify the matching CE and lithium transport documents before shipment.