A good BMS (Protection) board is very important to whole battery's performance and lifespan, so workable test methods are our guarantee for the quality.
Why can we do 30-day delivery? Because we keep key components with reasonable quantity in stock, ready to produce at any time!
And we have over 20 product experts with over 5 years of experience designing and improving big batteries, they can be your sturdy backbone!
We will contact you within 1 working day, please pay attention to the email with the suffix “rudy@sppowertech.com“