Specifications of the products

Product Name:	High-voltage stacked energy storage battery(204V/100Ah)	High-voltage stacked energy storage battery(307V/50Ah)	High-voltage stacked energy storage battery(409V/50Ah)
Product Model:	20kWh	30kWh	40kWh
Rated voltage：	204V	307V	409V
Rated capacity：	100Ah	50Ah	50Ah
Charge termination voltage：	233V	350V	467V
Discharge cutoff voltage:	166V	249V	335V
Communication method	RS485/CAN	RS485/CAN	RS485/CAN
Size (mm)	580*360*450mm	580*360*615mm	580*360*780mm
Weight (kg)	182KG	224KG	266KG

Factory production photos

High‑voltage stacked energy storage battery FAQ

Q1: What is high‑voltage stacked energy storage battery?

A: High‑voltage stacked energy‑storage battery is modular vertical‑stack LFP energy‑storage system. Multiple battery modules are connected in series by stacking to form high‑voltage DC system (100V‑800V). It matches high‑voltage three‑phase hybrid inverters, features low‑current loss, plug‑and‑play installation and step‑by‑step capacity expansion. Widely used for large residential, small‑commercial solar‑storage, peak‑shaving and backup‑power projects。

Q2: Main system components

A: LFP lithium‑iron‑phosphate battery modules, master BMS unit, stack quick‑connect harness, base support frame, high‑voltage protection fuse & contactor, communication cable, HMI display screen, protective housing. Matched high‑voltage hybrid inverter is supplied separately。

Q3: Common specifications

A: System DC voltage range: 204.8V‑614.4V. Single‑module typical capacity: 7.5kWh, 10kWh, 15kWh. One single stack supports 2‑8 modules stacked in series; single‑stack total capacity 15kWh‑120kWh. Multiple stacks support parallel connection for larger total capacity. System maximum voltage shall not exceed inverter voltage window。

Q4: Core advantages

A: 1. High‑voltage & low‑current design, reduce cable transmission loss, higher round‑trip efficiency 94‑97%, adopt thinner‑gauge cables to save wiring cost。 2. Modular stacked plug‑and‑play structure, reduce on‑site wiring work, fast installation. 3. Flexible step‑by‑step expansion: add modules later to increase capacity without replacing existing battery units。 4. Compatible with mainstream three‑phase high‑voltage hybrid inverters, suitable for high‑power loads. 5. Compact floor‑standing layout, save installation space.

Q5: Installation requirements

A: Install indoors or sheltered outdoor environment, flat solid ground bearing required. Strictly follow manual maximum stacking height limit. Professional certified electrician is required for high‑voltage wiring and reliable grounding. Not for direct rain‑exposed outdoor use without extra‑protection.

Q6: Environmental working conditions

A: Operating temperature:‑10℃ ~ +45℃. Protection grade IP20 as standard; optional IP54 shelter‑outdoor version. Adopt air‑cooled heat dissipation. Avoid humid, corrosive‑gas environment.

Q7: Safety protection functions

A: Over‑charge / over‑discharge, over‑current, short‑circuit, over‑voltage & under‑voltage, high/low‑temperature protection, insulation monitoring, high‑voltage interlock protection, emergency‑stop button. Master BMS realizes cell‑level monitoring and series‑stack balance management. Smoke‑fire‑detection optional. Note: above‑60V DC belongs to high‑voltage system, must comply with local high‑voltage safety operation norms。