1.以12.8V的电池为例，可否允许将多只电池串并联使用？

Lithium battery allowed in series or parallel use by ourselves, such as 12.8V ?

--我们建议最多4节电池串联使用。但是目前我们的技术有所突破，可以实现40pcs 串联使用

Max 4pcs in series or parallel use , suggestion. but  our New BMS has developed which could support 40pcs in sereies now.

2. 以12V7AH电池为例，放电数据有吗？Discharging table of 12v7 ah availabel or not?

--有的，请联系我们的销售.yes, we have ,please contact our sales team.