OEM 24v Flexible Solar Energy Panel 400W Flexible Thin Film Solar Panel Semi-flexible Solar Panel 500W 430W

Product Description

Technical Specifications
Specification / Model JTF365R1 JTF370R1 JTF375R1 JTF380R1 JTF385R1
Maximum power (Pm) 365W 370W 375W 380W 385W
Power tolerance 0~+5W
Optimum operating voltage (Vm) 34.9V 35.1V 35.3V 35.5V 35.7V
Optimum operating current (Im) 10.46A 10.54A 10.62A 10.7A 10.78A
Open circuit voltage (Voc) 42.4V 42.6V 42.8V 43V 43.2V
Short-circuit current (Isc) 11.09A 11.16A 11.23A 11.3A 11.35A
Component effective efficiency (ηm) 20.7% 21% 21.2% 21.5% 21.8%
Irradiance 1000W/m², module temperature 25°C Maximum power test uncertainty ±3%
Global Storage & Quick Shipping
Sufficient Stock in China / Poland (EU) / US / CA / UK locations:
  • 3.2V LiFePO4 cells
  • 12V LiFePO4 battery packs
  • 48V energy storage systems
Battery Stock 1
Battery Stock 2
Why Choose Us as Your Partner?
Expert Power Solutions

With 13 years of experience in the battery industry, we have served over 12,000 customers from 80+ countries, utilizing 4 overseas warehouses.

High Reputation & On-Time Performance

Maintaining a repurchase rate of over 90%, an on-time delivery rate of 99.5%, and receiving 98% positive feedback.

Source Factory & Direct Distributor

Direct distributors for EV, CATL, LISHEN, CALB, and REPT batteries. All batteries are 100% original Grade A and brand new. We maintain weekly fresh stock with newly produced cells, ensuring long-term supply for your projects.

Guaranteed Quality Service

We guarantee 100% tested batteries, ensuring strict testing before shipment with matched voltage and IR. QC checking and online video checking before shipping are fully supported.

Fully Warranty Service Guaranteed

Self-operated overseas warehouses and repair centers in Poland and Germany, providing 100% product usage guidance and technical support. Complete after-sales service is offered for non-artificial quality issues.

OEM / ODM Supported

Experienced team of energy storage structural and software engineers offering flexible customization services. Marketing solutions are provided to help expand local businesses.

Customer Feedback 1
Customer Feedback 2
Quality Assurance & Testing
Grade A Cell - 100% Brand New with Original QR code

All single batteries must test over 3 times before shipping to ensure they are at top quality level, with full capacity, matched voltage & internal resistance.

Quality Testing Scan
Reliability Test
Reliability Test Graph
Top Equipment & Production
Production Process 1
Production Process 2
Pack Accessories & BMS Support

Official distributor of EVE / HC / NDSD brand cells, supplying corresponding safety pack accessories together. Complete matching service for BMS systems is available with 100% technical and after-sales support.

BMS Accessories
Inverter Protocols
Packing & Shipping
Safe Packaging
Shipping Inspection
Frequently Asked Questions
Q1: What preparation is required before assembling DIY battery packs?
DIY battery packs must have their cells balanced (same voltage) before assembly. It is critical to ensure proper balancing, as incorrect or unbalanced assembly cannot be accepted for refund.
Q2: How does the warranty period work and what does it cover?
We offer a 5-year warranty from the date of successful delivery. If a single battery's capacity drops to less than 80% of its initial capacity, please provide test pictures or video, and we will replace it or offer a satisfactory solution.
Q3: What should I do if items are lost or damaged during shipping?
Please contact us first and send pictures or video to check. In cases of cargo loss or if the battery is damaged and cannot be used safely, we will communicate with you to arrange either a resend, replacement, or product cost refund. Buyers are responsible for return shipping costs if sending cells back.
Q4: What conditions are required to qualify for a return or refund?
Batteries can only be returned if they are unused (electrodes must be intact, with no welding, no wear, and in good appearance). Returns must be requested within 15 days of arrival, and the buyer is responsible for shipping fees.
Q5: Which situations are excluded from the return and refund policy?
Returns/refunds are not provided for: (1) Problems arising during or after assembly (e.g., protection board wired incorrectly causing burns/damage, charger failure, assembly error, or unbalanced assembly). (2) Physical damage caused after delivery, such as cell bulges, welding, or issues caused by charging without a protective BMS.
Q6: Do these prototype cells include a built-in protection board?
No, these products are prototype batteries without built-in protection boards. You must purchase a matching protection board (BMS) separately for safety and correct function.

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