Deep Cycle 48V 17.5Ah Electric Bicycle Battery Pack For Electric
Bike
Free shipping Chinese manufacturers 48v 20ah ebike battery lithium
lon cell recharge
Specification
| Working Temperature | charging:10~45℃ |
| discharge:-20~60℃ |
| Weight | 4.35KG |
| Cell | 18650 3.6V 2600mAh-3C |
| Rated capacity | 10.4Ah |
| Maximum continuous discharge current | 15A (Could be customized) |
| Maximum Charge Current | 9.5A (Could be customized) |
| Discharge cut-off voltage | 36.4V |
| Cycles life | 300-500 times |
2 Product Dimension and standard
| Specification | 48V 10Ah-17Ah |
| Inner size | / |
| Cells | 65PCS 18650 or soft-pack battery |
| Cell Franme | / |
| Electric Qty Display | 48V/36V |
| Onoff Button | / |
Charge Connector | 3PIN |
| Fuse Holder | 6/30A |
| Discharge Connector | 4PIN |
| USB | / |
| Apply to | / |
Name | Maximum Cells | Connection Type |
| Capacity |
|
LM-2 | 65 | 13s5p | 11AH / 2200mAh | 13Ah / 2600mAh | 17Ah / 3400mAh |
3 Product Specification
No. | content | Testing method | Remark |
1 | Charge cut-off voltage | 54.6V |
|
2 | Discharge cut-off voltage | 35.75V |
|
3 | Standard charge | Under the condition of the ambient temperature of 25 ± 2 ℃ , Charge
the battery at constant current of 0.2C to reach 54V. Then charge
the battery at constant 54.6V voltage until the charging current
decreasing to 0.02C. |
|
4 | Standard discharge | After the standard charging , rest for 1 hour then discharge to 35.75V@0.2C. |
|
5 | Shipments voltage | 46.3-47.3V | ≤30 % |
6 | Maximum Charge Current | 3A |
|
7 | Maximum continuous working current | ≤20A |
|
8 | Rated capacity | Typical capacity:7.8Ah or customized Minimum capacity:7.5Ah-5% or customized | standard discharge after standard charge |
9 | Operation temperature range | 10~45℃ | 60±25%R.H |
-20~60℃ |
10 | Storage temperature | ≤1 month: -20 ~ 45℃ | 60±25%R.H Best 10~25℃ for long-time storage |
≤3 months: -10 ~ 30℃ |
≤1 year: 0 ~ 30℃ |
11 | Impedance | Subject to sample |
|
12 | Weight | / |
|
4 PCM
Item | Content | Criterion |
Over charge Protection | Over charge detection voltage | 4.250±0.050V |
Detection delay time | 1.0±0.3S |
Over charge release voltage | 4.150±0.050V |
Over discharge protection | Over discharge detection voltage | 2.700±0.080V |
Detection delay time | 1.0±0.3S |
Over discharge release voltage | 3.000±0.100V |
Rated operational current | ≤20A |
Over current protection | Primary over current detection current | 50±5A |
Primary detection delay time | 800mS-1200mS |
Secondary over current detection curren | 100±10A |
Secondary detection delay time | 50mS-200mS |
Short protection | Detection condition | ＞200A, 200uS-300uS |
Protection | yes Exist |
Protective release condition | Disconnect short circuit |
Charging management | Charging overvoltage protection voltage | 55.6±0.4V |
Rated charging current | 3A |
Software overcharges | 4±0.2A |
Detection delay time | 300mS-600mS |
Temperature protection | Charging high temperature protection temperature | 50±4℃ |
Charging protection recovery temperature | 47±4℃ |
Discharge high temperature protection temperature | 70±4℃ |
Discharge protection recovery temperature | 55±4℃ |
Low temperature protect temperature of charging | 0±4℃ |
Low temperature recovery temperature of charging | 5±4℃ |
Interior resistance | Main loop electrify resistance | ≤60mΩ |
The static current | Since the power consumption | ≤60.0uA |
NTC | YES Exist | 10K±1% B3435±1% |
Delivery Time:
- Material Preparation Time: 7-15 days (or inventory)
- Production & Assembly Time 3-10 days
- Testing & Packaging Time: 2-10 days
- Total Delivery Time: 30-45days
- The faster delivery could be negotiable.
Factory Photo:
Contact with our sales team for your OEM and ODM order.
OEM/ODM Service:
If you want to display your own brand logo in products, bags,
labels or anywhere. Or you need to develop battery packs according
to your product orientation. Our OEM and ODM services are ready to
do it.
Packing:
According to Stardard Export Packing.
Carton box, wooden box, wooden pallet
FAQ
Q1: Are you a trading company or manufacturer?
A: We are professional manufacturer specialized in Lithium ion
batteries and LiFePO4 batteries for Electric bicycle, Electric
scooter, Electric motorcycle, Electric Tricycle, Sharing bike,
vacuum cleaners, Energy storage system for Industrial and
household, as well as customized battery packs application.
Q2: What’s your battery product range?
A: The battery range we can make is voltage from 3.2V to 100V,
Capacity from 1Ah to 100Ah.
.
Q3: Can you do OEM and ODM?
A: Yes, OEM and ODM are both acceptable. You can provide the
detailed specification requirements to us, our engineers can design
the most suitable battery solution for you.
Q4: Is it possible to buy a sample to test?
A: Yes. You can buy a sample to test.
Q5. What is your terms of payment?
A: T/T 30% as deposit, and 70% balance payment before shipment.
We'll show you the photos of the products and packages before
shipment.
Q6: What is your terms of delivery ?
A: EXW, FOB, CIF, DDU
Q7: How about your battery delivery time?
A: Within 25-30 days after receiving your advance payment.
The specific delivery time depends on the items and the quantity of
your order.
Ryder Electronics established in Shenzhen on July 18, 2005, mainly
in the business of battery packs. In 2009 the company passed
ISO9001 and improved the product quality standard to fulfill the
high-end requirements from our customers.
In 2012, Ryder Electronics moved to a new facility and expend the
production capacity, the Productivity improved nearly 10 times than
before.
In 2013, Ryder Electronics imported ERP (SAP) system to supervise
order execution process.
In 2017, Ryder Electronics expanded the SMT, imported high-speed
patch machine from Germany.
Until now the factory grows into a modern enterprise which
integrated injection molding, PCB designing, SMT and battery pack
assembling services.
In 2018 the company passed ISO14001certification, introduced
automated battery production line to further improve the production
quality and capacity.
