Free standard shipping on all orders
Estimated to be delivered within 2 - 7 business days.
You may return most new, unopened items within 30 days of delivery for a full refund. We'll also pay the return shipping costs if the return is a result of our error (you received an incorrect or defective item, etc.).
You should expect to receive your refund within four weeks of giving your package to the return shipper, however, in many cases you will receive a refund more quickly. This time period includes the transit time for us to receive your return from the shipper (5 to 10 business days), the time it takes us to process your return once we receive it (3 to 5 business days), and the time it takes your bank to process our refund request (5 to 10 business days).
If you need to return an item, simply login to your account, view the order using the "Complete Orders" link under the My Account menu and click the Return Item(s) button. We'll notify you via e-mail of your refund once we've received and processed the returned item.
Specification |
Value |
| Nominal Voltage | 51.2V |
| Charge Voltage | 58.4V |
| Energy | 5120Wh |
| Max Charging Current | 100A |
| Max Continuous Discharging Current | 100A |
| Operating Temperature Range | Charge: 0℃~45℃ (32°F~113°F) Discharge: -20℃~55℃ (-4°F~131°F) Storage: -10℃~50℃ (14°F~122°F) |
| Low temp cut off protection (Charge) | 0°C ± 4°C (32°F ± 7.2°F) |
| Low Temp Cutoff Protection (Discharge) | -20℃±4℃ (-4°F±7.2°F) |
| Dimension | 18.89*17.4*5.23in |
| Cycle Life | ≥6,000 Cycles |
| Terminal Type | Dual Quick-Plug Terminals |
| Communication Mode | RS485/CAN/RS232/Bluetooth |
| Parallel Max. |
15 Parallel |
So far so good. Build quality seems solid, comes with nice accessories as well. Cells are very well balanced after a few charge/discharge cycles although I've had a few Cell Over Voltage protections as it approaches 100% SOC. I'd give 5 stars but customer service could be better. They do respond to emails but don't provide thorough answers to questions.
I am very impressed with the product. I am very impressed with the packaging. I highly recommend this product. I’m impressed with the delivery time. Overall impression is a10 star out of 10 stars. I really honestly truly 100% can’t wait to buy two more. I actually am a verified user and I am using these batteries and I’m extremely happy with everything provided with them and the solidity of them. They are absolutely solid product. I don’t think that I will buy any other batteries except these ones from this point forward. I am a new user of solar and solar batteries but now that I have these, I have definitely set to continue using only these batteries!!!
Batteries arrived in perfect condition packaged very well to protect them during shipping. Very good instruction manual made set up quick and easy. Product quality appears very good and they are working great connected to my hybrid inverter/charger.
Have I for 2 week now works flawless good battery
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