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48v Ebike Battery

48V 10AH Lithium Ion Battery

48V 10AH Lithium Ion Battery

Custom4 8V 10Ah 13S4P Electric Bike Battery Pack Description: Battery: Charger: Advantage: 1. High energy density 2. High working voltage for single battery cells 3. Pollution-free 4. Long cycle life 5. No memory effect 7. Safe and reliable 8. OEM/ODM is welcome customers benefit . - Lithium...
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Custom4 8V 10Ah 13S4P Electric Bike Battery Pack






Technical data:



Li   ion battery

No. of cells:



20.8Ah discharging at 0.2C

Nominal Voltage:


Standard charge voltage:



≤ 150 mΩ

Nominal Charge Current:


Maximum Charge Current:

<20A  (can be adjustable)

Maximum Discharge Current:

<20A (can be adjustable)

Maximum Pulse discharge current:

≤ 30A (can be adjustable)

Charge end current:


Operation Temperature Range:

Charge: 0~45℃

Discharge: -20~60℃

Storage Temperature:

Less than 1 year: -20~25℃

less than 3 months: -20~40℃


Approx   6kg




Technical data

54.6V   8A/10A

Input Voltage


Output Voltage


Max charging current


Protection function

AC safety&output short circuit, over charging/temperature






12 months



1. High energy density 

2. High working voltage for single battery cells 

3. Pollution-free 

4. Long cycle life 

5. No memory effect  

7. Safe and reliable 

8. OEM/ODM is welcome

customers benefit .

- Lithium Batteries Features- -
1) Long cycle life: More than 2000 times (charge and discharge at 1C, 99% DOD).
2) High safety: No fire and explosion in overcharge test. The highest temperature <150° C.
3) Good charging and discharging performance.
(A)0.2C5A ≥ 100% (B)1C5A ≥ 99% ( C)2.5C5A ≥ 97%
4) High discharge rate up to 10C.
5) Environmental-friendly: All raw material of the batteries are environmental-friendly.
6) Wide working temperature range: -25° C to 60° C.


- - Lithium Batteries Application- -
1. Vehicles: Electric bicycle, golf car, electric wheelchair, electric scooter
2. Illuminate devices: Solar battery, miner lamp, solar street lamp, emergency light, electric torch, wind and solar system
3. Communication: Back-up electric supply, interphone
4. Power tools: Electric cropper, electric drill, electric saw, electric hammer, pump
5. Others: RC toy, small home appliance.

Leading Li-Ion technology delivers re-chargeable high-capacity batteries. The Li-Ion PowerPacks™ provide high currents of about ~100A and high tension of up to 600V.

The batteries are set up out of blocks of approximately 30kg and 48V each. That allows an easy handling and provides protection for the user at the same time.

The integrated Battery Management System (SmartBMS) monitors the battery without interaction of the operator. For critical applications, such as the AUV drives, the Li-Ion PowerPack™ are designed fully redundant and with minimum EMV signature. Diagnostic messages are transmitted in ASCII; with a galvanically isolated bus, the internal components and the chargers are controlled.

The Li-Ion PowerPack™ are designed to be fully redundant to guarantee that still 50% of the remaining capacity would be available in the event of a fatal error. Due to that feature missions can be brought to a regular end.

The Li-Ion PowerPack™ is monitored multiple times. Each battery unit has its own controller (the so-called BMS-Slave), which is in turn controlled by a respective so-called watchdog. In the event of an error, the Li-Ion PowerPack™ (or just one half in case of a redundant construction) is switched off.

The BMS-Master of Li-Ion PowerPack™ actively controls the chargers. After charging, an automatic balancing of the individual cells takes place to compensate different charging statuses and to ensure optimal performance.

Despite this sophisticated technology, the operation is as simple as ever – with only two „Charge“, „Test“ and „Storage“ buttons to test and prepare for storage. These functions are also accessible via a touchscreen, where informative menus can also control each individual cell.

Rechargeable Li-ion batteries are amongst the most efficient batteries and SubCtech even optimized them for the use in marine and offshore technology. They provide highest capacity while being lightweight and of small volume

SubCtech delivers PowerPacks™ battery-packs in end housings for the use in up to 6000m depths. The SmartCharger™ charges the batteries fast, easy and safe aboard ship. The batteries are charged inbuilt and without being opened.

All batteries can be customized on demand by adapting the capacity, current, voltage, size and housing. However, we also have a range of standard batteries, which are flexible and suitable for many applications:


Q: 1. Can I have a sample order?
A: Of course.
Q: 2. What is the lead time?
A: 3~7 days for sample, 20~25 days for bulk order.
Q: 3. Do you have any MOQ limit?
A: No MOQ for existent items, MOQ 1000pcs for modified ones.
Q: 4. How do you ship the goods and how long does it take arrive?
A: For small quantity, generally ship by DHL, EMS, UPS, or FedEx, usually take 4~7 days to arrive. For large quantity, ship by airplane or ocean, shipping time will depend on destination port.
Q: 5. How to proceed the order if I have logo to print?
A: Firstly MOQ 1000pcs request, then we will prepare artwork for visual confirmation, next we will make a real sample for second confirmation. If sample is ok, finally we will go to mass production.
Q: 6. Do you offer guarantee for the products?
A: Of course, all our products are with One Year Warranty.

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