- Slimmer and lighter than ordinary Hailong (dolphin).
- Key lock side-releases design suits most of the narrow and compact bike frame
- Led light battery level indicator
- USB charging port for smartphone
- Hard plastic to protect your pack
- 480 watt-hours (with 48V 10Ah) offer good capacity in a small package
- 25 amp continuous and 30 amp at peak discharge.
- Charge cycle: 600-800 times