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We provide 5 years warranty and support OEM/ ODM. The battery is with BMS / LCD / RS485 / CAN / parallel and WIFI / bluetooth optional. Battery voltage and capacity are customized. We own CE, FCC, ROHS, MSDS, UN38.3 and pass ISO.
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And our knowledge in manufacturing and R&D ensures all of our products surpass your expectations in terms of service life and performance.