Identify the reference
Jiayu lists a HAWKER Evolution gel traction battery family in its catalogue.
Confirm the version
The listing does not identify a complete model, voltage, capacity, connector, dimensions or availability. Confirm the exact battery and charging requirements with the seller.
Prepare a useful purchase request
Provide the complete product or truck identification, quantity, application and delivery destination. Include clear photographs of the existing label and connections where relevant. Ask the supplier to identify the exact item, documentation, condition, included scope, lead time and warranty in its written response.
Compare evidence before deciding
Catalogue descriptions are attributed to the supplier. The code alone does not verify origin, current inventory, certification, performance or compatibility. Compare the dated supplier offer with the actual machine documentation and resolve any discrepancy before ordering.
Source
http://www.hawker.cn/ShowProduct_1078.html