48v 14ah Li-ion Ebike Battery Electric Bike with 2a charger On Rear rack 

1. New slim hailong style Case

2. Waterproof and Solid plastic Case

3. Lighted battery LED power Indicator

4. Convenient Charge Port

5. Lock with Keys securely locks the mount on bike frame

Built-in BMS board

Charge Mode CC-CV

Charge Time under Standard Charge Current 6 hours

Charge Temperature Range -20-55°C

Comes complete with charger , keys and mounting plate , Already fiitted to rear rack ready 

Storage and Maintenance

When the battery pack to be long-term stored, charge the battery pack to about 50% capacity( after discharging completely, charge for 2 - 3h at 2A),store in dry and ventilated place, charge 1 to 2 hour for every 3 months.

The battery pack and charger should be stored in clean,dry and ventilated place, avoid contacting with corrosive materials and be away from fire and heat.

The battery pack should be stored in 40%-60% charged capacity. If battery pack is not used for a long period, it should be replenish charging one time for 1 to 2h for every three month.

In the maintenance process, please do not disassemble the battery pack, forbid to remove any cell in the battery pack.

Bike Cargo Rack specification

Color: Black
Material: Aluminum
Load Capacity: 50kg/110lbs MAX Load
Seat Size: 14x35cm/5.51x17.78in
Recommended Main Pole Diameter: 28-32mm/1.1-1.26in
Recommended Side Pole Diameter: 1.7-2.5cm/0.67-0.98in
Elastic Cord Length: 67cm/26.38in
Main Pole Length: 54cm/21.26in 

Dimensions in last two pictures

Parts included:

x1 48v 14ah battery with 2a charger on rear rack 

x1 Bike Rear Cargo Rack Quick Release Carrier Bicycle Pannier Luggage Cargo Holder