ebike battery of Down tube type

Experience the convenience and versatility of our battery’s design, complete with a base ebike tube mounting plate. At SLN Battery pack, we offer a solution that allows you to install the battery effortlessly on any part of your ebike tube frame. Enjoy hassle-free installation and the freedom to choose the ideal placement for your battery.

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Our battery comes with a base ebike tube mounting plate, specifically designed for easy installation on the ebike tube frame. With the provided screws, you can securely attach the battery to your ebike with minimal effort. Say goodbye to complicated mounting procedures and enjoy the convenience of our universal mounting plate.

Battery base plate

Battery fixing base

The ebike battery fixing base is the most important connecting bridge between the battery and the ebike.The battery transmits current to the motor through the fixed base discharge port. It is also the most important stabilizing battery accessory. The end of the battery base plate can be customized with different lengths of discharge cables and connections to motor controller terminals.

Experience easy battery installation and embrace the versatility of our battery’s design with the base ebike tube mounting plate. At SLN Battery Pack, we provide a solution that effortlessly adapts to any part of your ebike tube frame. Explore our range of versatile batteries and upgrade your ebike with ease. Install your battery wherever you choose and enjoy the convenience and flexibility it brings. Choose SLN Battery Pack for easy installation and versatile battery solutions

Installation and disassembly of down tube battery

Different installation and disassembly methods adapt to different eBike models

Slide-in type

Our slide-in electric bicycle battery offers hassle-free installation and removal, requiring only a small space for movement. With approximately 5cm of clearance in front and 2cm above the battery, you can easily secure it to your ebike tube using just a minimum of two screws.

Open cap type

Battery removal from the base need to lift the battery upwards after taking the battery from the base. Battery installation and removal require space above the battery is greater than 5CM.

Side opening Type

The disassembly method that uses the least amount of space. The battery does not need ebike frame inside the size, as long as you can install the battery base on the ebike, you can remove and install the battery from the left and right sides of the ebike at will.

What are the functions of the e bike battery?

Depending on the requirements, you can choose a battery with the following functions

Power indicator light

E-bike battery level indicator light. Press the switch to display the current battery level, when the power indicator only shows the red LED, it is necessary to charge the battery.

Power Switch

The power switch controls the operating status of the lithium battery. When the switch is closed the battery will enter a low loss state and the battery will no longer supply power to the motor. The battery will be activated when the switch is turned on.

5-12V USB socket

Li-ion battery USB socket can provide charging for mobile devices. It can be customized with 5-12V output voltage and 1-2A current. The USB socket is female.

Bluetooth Monitoring

A Bluetooth-enabled BMS can be installed inside the battery, and the battery condition can be checked at any time by connecting to the battery using Bluetooth on your cell phone. It is also possible to turn off the battery and adjust the battery parameters remotely by Bluetooth.

Battery Fuse

Battery charging and discharging insurance. Additional fuse is added to the positive side of the battery discharge line. Effectively prevents damage to the battery BMS caused by motor controller, external short circuit, etc. The charging insurance prevents battery damage caused by charger damage or lightning.

Battery waterproof

ebike lithium battery waterproof rating is IP650. ebike battery internal battery pack wrapped with insulating waterproof PVC, can effectively prevent the infiltration of rain. There is a danger of short circuit in heavy rain. You can additionally increase the battery waterproof production process for all seams of the battery.

Down tube type battery

Max parameters customization

1

Battery capacity customization

ebike batteries can be manufactured using 18650 & 21700 cells. Currently Down tube battery maximum capacity is 36V 31.5AH, 48V & 52V 24.5AH using Samsung, LG, Panasonic and other 21700 18650 Li-ion cells.

2

Battery voltage customization

Down tube batteries can be customized with up to 72V voltage. We also have 60V 52V 48V 36V 24V 12V battery voltage. The higher the voltage, the lower the capacity.The battery voltage should be the same as the motor controller voltage.

3

Battery current customization

The current Down tube type battery style can be installed in the maximum 50A BMS, the maximum continuous current of 50A. The common 1KW motor is 30A current, 1.5KW motor is 40A current. The higher the current, the stronger the power, but also very fast power consumption.

Hot selling product display

18650 Lithium battery

SSE-077

L365*W90*H110 MM

HUY-052

L380*W90*H125 MM

RNX-DP-6

L370*W90*H110 MM

SH40

36V L330 48V L440*Φ100 MM

HL40

L365*W92*H105 MM

QT52

L360*W81*H131 MM

SH21

L326*W63*H86 MM

SJ91

L400*T360*W80*H235 MM

HY52

L419*W90*H105 MM

QL70

L526*W79*H87 OR H104 MM

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We have Korean Samsung, LG and Japanese Panasonic, Sony 18650 Li-ion cells. China’s BAK,DLG,EVE,MOLI 18650 Li-ion cells. At present, the hot market is Samsung 35E, 30Q, 29E and other models of cells. We can also help you to source other cell brands you specify.

Battery cells are mainly distinguished by capacity, material, brand, discharge rate. ebike batteries mainly use power cells with high discharge rate. If your motor power is very high, and need ebike range for a long time should choose Samsung, LG, Panasonic and other high capacity high discharge rate of 3500mah 18650. usually Chinese brand 18650 cell capacity and discharge rate is lower.Please contact us for details and we will recommend the best cost effective battery solution for your situation.

Our battery cells are all brand new A grade. We strictly select cells with the same voltage and internal resistance and capacity to form the battery pack before producing the cells.

Before production we check that each cell is in good appearance, in addition we use 100% brackets to hold the cells in place during cell production to keep the cells free from crushing and good heat dissipation. The new 18650 top is with pressure relief safety valve to stop the fire and explosion caused by short circuit and overheating of the cell.

Ready to order? Get a quote now!

For a quick quote, please let me know your motor power, battery type, and battery parameters. We will reply quickly within 8 hours. Thank you very much!

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Don’t hesitate to inquiry today – all batteries are on special until 26 October 2023. Hopefully I will hear from you :)