ThePylontech Fidus Plus 16kWhis ahigh-performance lithium batterydesigned forresidential, commercial, and industrial solar energy storage systems. WithIP65 protection,built-in WiFi, and anultra-long 8000+ cycle life, this battery delivers reliable, safe, and scalable power for on-grid and off-grid applications. Built withadvanced LiFePO₄ technology, the Fidus Plus ensures100% depth of discharge, high efficiency, and long service life, even in harsh environmental conditions.
Key Features
High Capacity 16kWh Energy Storage:Delivers powerful and consistent backup energy for homes and businesses.
8000+ Life Cycles:Long-term durability with up to10 years design lifeat 25°C.
IP65 Rated: Fully protected against dust and water — ideal forindoor & outdoor installations.
Built-in WiFi & Bluetooth:Smart monitoring with display screen for real-time battery status
Flexible System Expansion: Supports up to20 batteries per groupand6 parallel strings.
Wide Operating Temperature Range:Stable performance from-20°C to 55°C.
Parameter
Specification
Nominal Voltage (VDC)
51.2V
Nominal Capacity (Wh)
16,076 Wh
Usable Capacity (Wh)
16,076 Wh
Depth of Discharge (%)
100%
Dimensions (mm)
435 (W) × 240 (D) × 900 (H)
Weight (Kg)
130 kg
Discharge Voltage (VDC)
40 ~ 56.8 V
Charge Voltage (VDC)
56 ~ 56.8 V
Maximum Continuous Charge / Discharge Current (A)
200A / 200A
Peak Charge / Discharge Current (A)
300A @ 15s
Communication
CAN, RS485
Max Batteries per Group
20
Max Parallel Strings
6
Working Temperature (Charging)
0 ~ 55 °C
Working Temperature (Discharging)
-20 ~ 55 °C
Storage Temperature (°C)
-20 ~ 60 °C
Cooling Type
Natural Cooling
Protective Class
Class I
IP Rating
IP65
Anti-Corrosion Rating
C5-M
Humidity Range (RH, Non-condensing)
5% ~ 95%
Maximum Altitude
≤ 4000 m
Certifications
IEC62619, IEC63056, UN38.3, EMC / CE
Design Life (25°C)
10 Years
Cycle Life (25°C)
8000 Cycles
SHIPPING & RETURNS
Shipping charges are not fixed and will be calculated and confirmed at the time of purchase, based on factors such as:
Order value and size Weight and type of product(s) Delivery location
Depending on the nature of the order, shipping cost will be either:
Covered by 3 Star Solar Energy (company-paid), or Paid by the customer
The applicable shipping arrangement will be clearly communicated and mutually agreed upon before the order is finalized, so there is complete transparency on total cost.
Return, Refund & Replacement Policy
Thank you for choosing 3 Star Solar Energy. Your satisfaction is our priority. Please review the policy below to understand how returns, refunds, and replacements work.
Return Policy
We offer a 15-day return window for products that are non-faulty, unused, and in original condition. No Restocking fee applies.
Eligible for Return
The product is unused
Original and undamaged packaging
All accessories and documentation included
How to Request a Return
Contact Customer Support on WhatsApp: 0345-7662241
Provide your order number, reason for return, and a video showing the product condition
Follow the instructions provided by our team
Ship the product back securely in its original packaging
Return Shipping
Customer is responsible for return shipping costs unless the wrong or incorrect item was delivered.
Refund Policy
Refunds are processed after we receive and verify the returned product.
Refund Methods
JazzCash / Bank Transfer: refunded to the same payment method within 7 business days
Cash on Delivery: refunded via bank transfer or any mutually agreed method
Non-Refundable Items
Customized or personalized products
Perishable goods
Items marked as "non-returnable"
Used, damaged, or incomplete products
Processing Time
Refund begins once inspection is completed.
Replacement Policy
If you receive a faulty, damaged, or incorrect item, you may request a replacement within 7 days of delivery.
How to Request a Replacement
Contact us on WhatsApp: 0345-7662241
Share your order number and a video showing the issue
We will arrange a replacement or refund, based on your preference