Factory price Li-polymer 7.4V 2800mah battery pack

Battery Type | Li-Polymer battery |
Battery Model | BMP1402260 7.4V2800mAh |
FOB(shenzhen) | USD5.89-5.25/pc Get Latest Price |
MOQ | 2000pcs |
Supply Ability | 5000000pcs per month |
Certification | CE, ROHS, UL, IEC, MSDS, UN38.3 |
Payment Terms | TT,L/C,Western Union, Paypal |
Lead time | 15-20days (5-7 days for samples) |
Specification
Specifications of battery pack
No. |
Item |
Specifications |
1 |
Capacity |
2800mAh |
2 | Impedance | ≤40mW |
3 | Dimensions (mm) | 14+3.5 -1.0 (T) *22+1.5 -0.5 (W) *60+1.5 -0.5(L) (mm) |
4 | Weight (g) | 约/g |
5 | Max. charge current | 1C mA |
6 | Max. charge voltage | 8.4V |
7 | Min. discharge voltage | 5.5V |
8 | Max discharge current | 25C mA |
9 | Charge temperature | -0℃ ~ + 30℃ |
10 | Discharge temperature | -0℃ ~ + 30℃ |
11 | Storage temperature | -10℃~ +35℃ |
13 | Storage humidity | < 85% RH |
14 | Standard high current discharging time | ≥3.5min (25C current discharging) |
Specifications of cell
No. | Items | Specifications |
1 | Charge voltage | 4.20V |
2 | Nominal voltage | 3.7V |
3 | Nominal capacity | 1400mAh 1C Discharge |
4 | Charge current | Standard Charging::0.5C
Rapid charge: 1.0C |
5 | Standard Charging method | 0.5C CC(constant current)charge to 4.20V,then CV(constant voltage 4.20V)charge till charge current decline to ≤0.05C |
6 | Charging time | Standard Charging:3.0hours(Ref.)
Rapid charge: 1.5hours(Ref.) |
7 | Max.charge current | 1C |
8 | Max.discharge current | 25C |
9 | Discharge cut-off voltage | 2.75V |
10 | Operating temperature | Charging: -0℃~30℃
Discharging:-0℃~30℃ |
11 | Storage temperature | -10℃~ +35℃ |
13 | Cell Weight | Approx:/g |
14 | Cell Dimension | Length:60mm Max (not including tabs)
Width:22mm Max Thickness:3.6mm Max |
Advantages
- High energy density
- High capacity, light weight
- No memory effect
- High rate discharge power cell at 20C peak discharge
- Three safety charge/discharge protections
- Long cycle life over 500 times, fast charging
- Low self-discharge rate, good energy retention
- High voltage, good to build power packs for RC Car, plane, robots etc. less cells needed
- Perfect to build battery pack for laptop and other portable power device
- Perfect to build battery pack for medical equipment back-up or EPS emergency power
- Environmentally-friendly, green and safety
Application
- (1) Portable electronic devices(2) Bluetooth headset,(3) Digital camera,(4) MP3 player, MP4 player,(5)Cellular phone, Digital phone, mobile phone,(6) PDA,(7) DMB,(8) DVD, Portable DVD(9) MD,(10) Digital camcorder, Digital camera
(11) Mining lamp,
(12) Notebook computer, Portable computer, Lap-top computer
(13) FRS,
(14) E-book,
(15) Flashlight,
Li-polymer Battery Other sizes

Cautions
- Do not expose to, dispose of the battery in fire.
- Avoid shorting the battery
- Avoid excessive physical shock or vibration
- Do not immerse in water
- Do not use the battery mixed with other different make, type, or model batteries.
- Never Use a modified or damaged charger
- Do not leave battery in charger over 24 hours.
Storaging the batteries:
The battery should store in the product specification book stipulation temperature range. If has surpasses above for six months the long time storage, suggested you should carry on additional charge to the battery.
Period of Warranty:
The period of warranty is half a year from the date of shipment. Eastar Battery guarantees to give a replacement in case of cells with defects proven due to manufacturing process instead of the customers abuse and misuse
Over-Discharge
After the short time excessively discharges charges immediately cannot affect the use, but the long time excessively discharged can cause the battery the performance, battery function losing. The battery long-term has not used, has the possibility to be able to be at because of its automatic flashover characteristic certain excessively discharges the condition, for proventer excessively discharges the occurrece, the battery should maintain the certain electric quantity.