The Solar Step
Dyness 40kWh Stack100 HV Battery Kit 8x S51100 + BDU Control Box
Dyness 40kWh Stack100 HV Battery Kit 8x S51100 + BDU Control Box
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Dyness 20kWh Stack100 HV Battery Kit 4x S51100 + BDU Control Box
Description:
The Dyness STACK100 is a high-voltage modular energy storage solution built for residential and commercial and industrial (C&I) applications. This 20kWh kit uses stackable LiFePO₄ battery modules with a dedicated control unit (BDU), delivering a scalable storage platform with fast installation, strong safety features, and long cycle performance.
Online Deal Only , Can be ordered for in-store collection if needed !
What’s Included in the 20kWh Kit
8 x Dyness S51100 stackable batteries
1 x Dyness BDU (control box)
System Design and Applications
Modular design intended for residential and C&I energy storage use
LiFePO4 battery technology selected for safety and long service life
Expansion and Scalability
Parallel expansion support: up to 12 clusters in parallel
Stated capacity range: 15kWh to 921kWh
Safety and Protection
Intelligent fire extinguishing system with reaction within 5 seconds
Performance Capability
1C rate capability stated for scenarios such as grid frequency regulation and charging stations, with cost-saving potential
Installation and Commissioning
Zero wiring concept stated for the stack design
Rackless free stacking with plug-and-play connection
Reference installation time: one cluster installation in 30 minutes
Operating Temperature
Automatic self-heating option stated
Operating temperature range: -20°C to 55°C (optional)
Technical Specifications
Product model: STACK100
Battery module type: LiFePO4
Module voltage and capacity: 51.2V / 100Ah
System energy range: 15.36kWh to 76.8kWh
Cycle life: ≥8000 cycles / 10 years
Single module weight: 47 kg
Max single cluster dimension: 591 x 390 x 1700 mm
Warranty
10 years
Installation Requirements
Installation should be completed by a qualified electrician or approved installer and configured to system requirements and applicable standards
Confirm inverter compatibility and high-voltage battery communication settings during commissioning
Let customers speak for us
from 157 reviewsService was fast and efficient. Battery arrived within two days of placing the order.
Thus was just an oder to replace the battery in my inverter, but I was impressed enough that I would use them again when the need arises.
Best service ever, fast delivery. Technically supportive, am extremely happy with the service and the product.
I write reviews on every product I buy. The GenXair 24000btu is more than what they could described.
It's an excellent unit delivering above expectations.
How long it will last and the aftersales service we will see in time.
First impressions is above average.
A must have for every DBboard
Great innovation
Still waiting for the power to trip. I know its a weird ask, but would like to test the system and see what it has to offer.
Still figuring out how the battery usage is managed, but as for the rest it operates seamless.
Got the app operational with a little help from my friend and gives useful information. Enjoying the Deye 12kW journey.
Still need to neaten-up the wiring though.
I thank you.
Overall, this inverter has exceeded my expectations. Highly recommended to anyone
100% delivery on time
Since we put them in the power has not tripped. So will wait and see. The service from Solar Step has been great though. Really nice people.
I am very happy with the product and the quality thereof, I am also very happy with the service received and will most definitely be doing business with the solar step again.
Thanks to the Solar Step for their prompt actions and support they where one of the most specialist team installin Solar systems i am very satisfied with their professional installation and their after sales commitments thanks to the whole team best prises ever for good quality products
Thanks for your excellent service only the courier company took long for the delivery
Excellent service.

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