rechargeable 752540 550mAh 20C 3.7v lipo lithium polymer battery rc helicopter battery

Feedback Ratings
  • 1-199 Pieces
  • 200-999 Pieces
  • 1000-4999 Pieces
  • >=5000 Pieces
Nominal Capacity:
Nominal Voltage:
Battery Size:
Prismatic 7.5*25*40mm
- +
0piecesselected, US $in total
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Shipping fee:
Depends on the order quantity.
Lead Time:
3 day(s) after payment received
customized size and capacity (Min. Order: 1000 Pieces)
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Quick Details
Place of Origin:
Guangdong, China (Mainland)
Brand Name:
Model Number:
Li-Ion, Li-polymer
RC toys
Cycle life:
800 Times
12 Months
Product name:
lipo rechargeable battery for RC toys
Battery type:
Lithium Iron Battery Cell
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Packaging & Delivery

Selling Units:
Single item
Single package size: 
8X8X5 cm
Single gross weight:
0.02 kg
Lead Time :
Quantity(Piece) 1 - 10 11 - 200 201 - 1000 >1000
Est. Time(days) 3 5 8 To be negotiated


rechargeable 752540 550mAh 20C 3.7v lipo lithium polymer battery rc helicopter battery


Battery Specificaitons: lipo rechargeable battery for RC toys
Nominal Capacity550mah
Nominal Voltage3.7V 
Material TypeLi-polymer 
Battery pack size7.5*25*40mm max with PCM 
Max charging current20C
Standard Charging method0.5C CC(constant current) charge to 4.25V,then CV(constant voltage 4.25V) charge till charge current decline to ≤0.05C
Max. discharge current20C
Discharge cut-off voltage3.0V
Pack Initial Internal Impedance≤60mW
Charge temperature0℃ ~ + 45℃
Discharge temperature-20~ +55℃
Cycle LifeTest condition:
Charge:  0.2 C to 4.2V
Discharge: 0.2 C to3.0V
After 300 times: 80% or more of 1st cycle capacity at 0.2C discharge 
Fit forsyma X5SC X5SW skytech M68 Hengai 905 RC quadcopter and so o


Other important details:

1.Our HPY battery 752540 is lithium cobalt li-polymer battery with 25C hight discharge reate

2.For best protection, we use double MOS protection circuit board

3.Our batteries are producted in  EU ROHS/ CE standard, also passed UN38.3,suitable both for airfreight and sea shipment..

4.More connector options: XH,JST,EL-2P as you demand.


Product Images:

Welcome to visit our factory.

Company Information

Our Services


1,Have been engaged in custom battery since 2014
2,Provide sample for free if amount less than 5 USD 
3,Never exaggerate battery capacity
4,Battery management systems/PCMs are with the same quality as Seiko
5,Finished battery safety performance could reach UL, CE, KPS, KC, etc. testing standard 
6,Got ISO9001-2008 quality system certification
7,5S factory with dust-free workshop
8,Process design far exceeds battery industry standard
9,100% quality inspection
10,One year warranty, 10 years maintenance


Test name


Over charge

No fire, no explosion

Over discharge

No fire, no explosion

Short Circuit

No fire, no explosion


No fire, no explosion,no leakage

Hot oven

No fire, no explosion


No fire, no explosion

Needle puncture

No fire, no explosion



About Guarantee:

1) 12 months Manufacturer`s limited Warranty for defective items (excluding items damaged and/or misused after receipt). Accessories come with a 3-month warranty.
2) Defective items MUST BE reported and returned within the warranty period (and in the original packaging, if possible). You must tell us what the defect is and give us your order number. 

About Sample
1)Sample Leadtime: 3 to 7days for stock, 25 days for customized batteries.
2)Sample Fee: can be discussed.

No MOQ requirement for our exist model. but MOQ 1000pcs for modified ones

Contact Us

 Samples can be offered free, even OEM sample fee will be refunded if place an order.


Packaging & Shipping

Packaging Reference:


Delivery Details:

-- Within 2-3 days after receiving payment(based on actual quantity)

-- DHL/FedEx/UPS fast express

-- Air Shipping/ Sea Shipping/ Battery special line, All accepted. 

-- Tracking NO. will be sent to you after delivery, and we will track the goods for you until you receive all of them.



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