48V bicycle battery lithium battery 48V 31.5AH rear rack battery use 35E 18650 cell with tail light 50A BMS 4A Charger

48V bicycle battery lithium battery 48V 31.5AH rear rack battery use 35E 18650 cell with tail light 50A BMS 4A Charger

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List price:
US $459.00
US $459.00

Product Description

Free customs fee 48v 31.5ah lithium battery 48V rear rack battery use Samsung 3500mah 18650 cell 50A BMS 4A Charger with tail light

Notice:This battery can use for 48V 500W—2000W motor

Parts included:

1.48v 31.5ah Lithium Battery,50A BMS Built in.

2.54.6V 4A Charger (With EU/US/UK/AU AC Charger plug we can offer)

3.Double key,1pcs discharge wire​

Lithium battery specification:

Battery Model:48V 31.5Ah
Nominal Capacity (AH) :31.5ah
Nominal Voltage (V): 48V
Cell Source Resistance (mΩ) :within 38mΩ
Cell Specification :Use for original Samsung INR18650 35E 3500mah 3C 10A Cell
Lifecycle:more than 800 cycles

Battery Size :390*150*80mm

Battery Weight : About 7kgs


Way of charge:CC/CV

Standard charge Current:2A

Maximum continuous charge Current:5A

Charge Cut-off Voltage: 54.6V

Cell Overcharge protection Voltage:4.2V

Charge Temperature Range :0 – 45°C


Max Continuous Discharge Current:50A

Peak Discharge Current:120A

Discharge Cut-off Voltage:39 +/- 1V

Cell Overdisharge protection Voltage:2.75V

Discharge Temperature Range: -20 – 60°C

Safety Test:

Short Circuit Safety Test

Overcharge Safety Test

Crush Safety Test No fire, No explosion

Needing Safety Test

Extrusion Safety Test

High Temperature Safety Test


·Electric Vehicles, such as E-bike, E-scooters,golf car, small-scale electric flat car, forklift, cleanness car, electric wheelchairs ·Electric boats, such as trolling fishing boat ·Robots for industries and military ·Remote data transfer system ·Satellite communication station ·Un-manned aircrafts ·Power tools, such as drilling, cutting and polishing tools ·Power supplier for Training systems, such as Torpedo Trainer ​Cell:

4A Charger


Do not put the battery in water, and keep the battery in a cool dry surrounding. Do not use or leave the battery near a heat temperature(in fire or a heater) Do not reverse the position and negative terminals. Do not short-circuit the battery by directly connecting the positive and negative terminals with metal objects. Do not transport or store the battery together with metal objects such as hairpins, necklaces, etc. Do not directly solder the battery and pierce the battery with a nail or other sharp objects. Must use Qualified charger,when you charging the battery must have people nearby.

About important shipping news!

Notice:If your address is on an island,please contact us before place order,thanks!

For European buyers:

All parcels usually be shipped by UPS or DPD, it no need to pay any customs fee.
The delivery time is usually 8-12 days after dispatch.

For American buyers:

We send by FedEx or UPS,The delivery time is usually 8-15 days after dispatch.

Sometimes we send UPS,and sometimes we send Fedex, we choose the faster one.

No need to pay any customs fee!

For Japan,Korea, Indonesia ,Malaysia ,Singapor,Tailand,Vietnam buyers

We send by special shipping method ,The delivery time is usually 5-8 days after dispatch.

For Russian / Belarus buyers:

We send by CDEK. The delivery time is usually 12-25 days after dispatch.

Packaging Details

Unit Type: 
Our store ships to more than 200 countries and you can enjoy free shipping on all items sold on bicycle-buyer.com
Estimated Delivery Time is 7-30 business.

Note: The delivery time mentioned above does not include order processing time that usually varies from 1 to 3 days.
Different items have their own processing time, which is what we cannot control. But what we can do is try the best to let you receive your items as soon as possible.

The following cases should be taken into consideration regarding shipping times:
  • Weight and dimensions of a package
  • Place of Dispatch
  • Destination
  • Freight
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