01 Product Overview
28.67KWH RESIDENTIAL ENERGY STORAGE
Functions
- Battery voltage calculation:16 battery voltage sampling test,deviation ±20mV.
- Battery and ambient temperature detection:4 battery temperature sensors,1 ambient temperature sensor,1 MOS temperature sensor,
deviation ± 2 ℃. - Battery capacity and cycle times:complete a complete charging,discharging cycle to set the actual capacity.Monitor the
remaining capacity of the battery with the capacity estimation accuracy within 5% deviation.In addition,the charging and discharging cycle time and the complete charging and discharging cycle time can be configured.

02 Detailed Parameters
○ Multi-Tier Safety Safeguards via Intelligent BMS
| Cell power(kWh) | 28.67KWh | Working Temperature | 0~40℃(Charge) -20~40℃(Discharge) |
| Configuration | 2P16S | Humidity(%) | 5~80% |
| Nominal Voltage(V) | 51.2V | Altitude Limited(m) | 0-3000m |
| Working Voltage(V) | 41.6V~57.6V | Dimension(mm) | 416×560×910mm |
| Cell Capacity(Ah) | 280Ah | Storage temperature and humidity |
-10℃~35℃ (Within one month of storage) 25±2℃ (Within three months of storage) 65%±20% RH |
| Rated charge/discharge Current(A) |
100A@25± 2℃ | Weight | 240kg±3kg |
| Maximum charging current |
200A@25± 2℃ | Cycle life | 8000 cycles @25C 100A charge and discharge current 80% DOD |
| Maximum discharge current |
200A@25± 2℃ | IP grade | IP10 |
○ Overall architecture scheme of energy storage system
Electrical schematic diagram

○ Definition of communication interface

○ Dimension

○ J5(Manual control BMS startup definition)
The active balancing board uses a self-reset switch, please do not use a self-locking switch; the external switch is equipped with a separate 12V to power the LED light; press the selfreset switch for more than 1S to turn on the active balancing board, and press it for more
than 6S to turn off the active balancing board. The external switch harness defines red +12V, black -12V; yellow and white are the power on and off control lines.

03 Core Advantages
TENZ ENERGY self-developed energy storage unit adopts long-service-life LFP cells
and vertical all-in-one integrated structure to simplify installation procedures.
Equipped with high-end smart BMS featuring full-range safety safeguards,
it meets diverse energy storage application demands for commercial and industrial energy storage system scenarios.
04 Global Certification & Customization
Supported by seasoned global supply chain systems and complete port logistics networks, bespoke
products enjoy swift worldwide delivery, assuring efficient progress for every cooperation deal.
Global Service & Tailored Custom Options
Customizable Items: TENZ ENERGY offers OEM tailor services covering housing styling, personalized brand logos, as well as modifiable CAN and RS485 dual communication specs to align with technical requirements of different territories. The output port layout follows fixed standard designs and cannot be altered on request. Cooperation Modes: We welcome worldwide distributors, bulk dealers and solar engineering contractors to collaborate. Sample orders, large-volume bulk supply and region-exclusive parameter tuning solutions are all available to satisfy various overseas market requirements.

Why Choose Tenz energy?
Green Intelligence · Creating a Zero-Carbon Future
Our Commitment:
We keep advancing our technology to manufacture reliable, long-cycle and high-performance energy storage products.
Perfect for household solar energy storage, emergency power supply and light commercial operation,
TENZ ENERGY provides trustworthy power solutions to maintain your regular power consumption.
Rich Industry Experience & R&D Capability
High-standard R&D laboratory, equipped with professional testing equipment
to ensure industry-leading performance and safety for our batteries.



Full-Process Closed-Loop Quality Control

Every manufacturing procedure, from cell grading to aging testing, records live operational data. This achieves complete traceability of the whole production flow and enables precise accountability for all quality issues.
We adopt closed-loop engineering revision control covering PR, ECR and ECN processes. Every energy storage battery pack is traceable back to its original cell batches and full factory inspection archives.
Authoritative Global Export Certifications


Core Benefits of Cooperation
Professional Integrated Manufacturer Providing Lithium Energy Storage Batteries for Global Household and Small Commercial Scenarios
High Adaptability
5.12kWh standard energy storage batteries are readily available, with flexible ODM customization support and compatibility with globally popular residential solar inverters.

Compliance & Peace Of Mind
All our battery products come with complete UN38.3 and MSDS lithium cell credentials, allowing smooth international transport, customs clearance and global sales without extra troubles.

FAQ
1.Is this battery compatible with household solar inverters?
Absolutely. This storage device is fitted with premium smart BMS, delivering outstanding adaptability to widely used solar inverters. It works seamlessly with residential small PV energy storage setups.
02. Do you accept sample test orders?
We accept trial sample orders. Please forward your full technical requirements to our sales department, and we'll calculate a precise quote promptly.
03. Can we customize the shell color and brand logo?
We provide comprehensive OEM tailor-made solutions, such as custom shell color tones, exclusive brand logo printing, along with personalized user guides and outer package designs.
04.How many days will bulk goods take to deliver?
Automated mass production equipment keeps our weekly output stable. We start production promptly once your deposit is verified, so we can deliver all goods on schedule.

Get in Touch With Us
We are excited to get to work with you. Please do not hesitate to contact us with any queries.
Mail: Vicky.w@tenzenergy.com
Website: www.tenzenergy.com
Shenzhen Tianchi Zhichuang Tech Co, Ltd.
Guangdong Tianchi New Energy Technology Co.,Ltd.
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