We sell lithium manganese battery packs that are made by AllCell Technologies in Chicago, IL USA. They are high quality batteries that we use with our electric bikes.
We have 36V and 48V battery packs available for purchase on our website.
If you need a lightweight lithium battery for your electric bike and don't want to deal with China, buy your packs from us. We have had very positive feedback from our customers. Delivery time is now 5 - 10 business days.