First and foremost let's discuss the 36V 10Ah 374.4Wh Cells pack for the HANIWINNER HA103-01 Electric Bike.
This lithium Li-ion battery is designed specifically for DYU S2/D3+/D3F electric bicycles and promises to offer a reliable and efficient power source for your ride.

In terms of performance the standout feature of this battery pack is its capacity of 374.4Wh, which allows for longer riding times and greater distances covered. Additionally, the 36V 10Ah configuration ensures consistent power delivery and smooth acceleration.

The pack is also lightweight and compact, making it easy to install and carry. Moreover the pack's built-in management system protects against overcharging and over-discharging, ensuring a long lifespan for the battery.

Nevertheless there are some potential drawbacks to consider. Firstly, the battery pack is designed specifically for DYU S2/D3+/D3F electric bicycles and may not be compatible with other models. Additionally, some users have reported the need for minor adjustments to properly fit the battery onto their bikes.

However, the overwhelmingly positive reception from customers speaks to the overall quality and reliability of the product.

It's worth noting that the battery pack is also backed by a manufacturer's warranty providing added peace of mind for potential buyers.

Overall I strongly recommend the 36V 10Ah 374.4Wh Cells pack for the HANIWINNER HA103-01 Electric Bike. With its impressive capacity and efficient performance, this battery pack is an outstanding choice for anyone looking to upgrade their electric bike. Just be sure to check compatibility with your bike model and make any necessary adjustments for a seamless fit.