Specifications

7.4v 3850mah li polymer battery
Voltage: 7.4V
Capacity:3850mAh
Certification: CE, UL,UN38.3,MSDS
Delivery date: 7-25day

7.4v lipo batteries 7.4v charger 7.4v lithium ion battery pack 180mAh 3.7V Lipo Battery for MP3 Player

Sunbang-Power  Battery Specification:

Nominal  voltage	7.4V/ Customized
Nominal capacity	3850mAh/ Customized
Size	Thickness × Width × Length (mm)
	5.9±0.1×45.0±0.5×131±0.5 (with PCM)
Main characteristics	High energy density,good capacity,light and thin,safe and reliable(with PCM) ,long circle life,no memory,environmental,stable performance,reasonable low price,capacity and size could be customerized.
Max charge current	1C
Charging method	charge with constant current 1C to 4.2V,then charge with constant voltage 4.2V till charge current less than 0.01C
Max discharge current	1C
Discharge cut-off voltage	3.0 V, the over-discharge detection voltage of PCM
Operating environment	Charging, 0°C ~ 45°C ; 65±20%RH
	Discharging, -20°C~60°C ; 65±20%RH
Storage environment	-20°C~45°
	65±20%RH
	storage for a long time(>3 months) and the storage condition shall be:<35°C;65±20%RH;3.7~3.9V
CycleLife (80% Prime Capacity) :	>500times
Charging Attention	Charging current and charging voltage should be less than specified in the Product Specification.
	The charger shall be designed to comply with Specification.
	It is dangerous that charging with higher current or voltage than Product Specification may cause damage to the cell electrical,mechanical safety performance.

Sunbang-Power Battery Safety Test:

Short Circuit Safety Test	No fire, No explosion
Overcharge Safety Test
Crush Safety Test
Needling Safety Test
Extrusion Safety Test
130°C High Temperature Safety Test

Sunbang-Power Battery Application

1. GPS, MP3, MP4, PDA, PMC, PMP, PSP; 
2. Lights, model aircraft, miner's lamp, safety helmets, safety headlights; 
3. Bluetooth headsets, e-books, mobile DVD, mobile TV, mobile scales, handheld computer, positioning devices; 
4. Wireless meter reading, wireless ordering, wireless data transmitter

Sunbang-Power Battery Picture:

Sunbang-Power Company Operation:

Sunbang-Power Certification:

Sunbang-Power Service And Shipment:

Sunbang-Power Battery Advantage:

1.High energy density

2.High working voltage for single battery cells.
3.Pollution-free
4.Long cycle life
5.No memory effect
6.Capacity,resistance,Voltage,platform time consistency is good.
7.With short-circuit production function.safe and reliable.
8.Factory price&High quality
9.Good consistency.low self discharge.
10.Light weight,small size

Why Chosse Sunbang-Power:

1. Rich Experience: Professional Manufacturer in lithium-ion battery for many years
2. Low MOQ: It can meet your business very well.
3. OEM/ODM accepted: Please send us your requirements
4. Good Service: We treat clients as friend with quickly action & respond
5. High quality:100% tested in production, mass production are start after your confirmation received.
6. Fast & Safe Delivery: We are in Shenzhen, with convenient transportation