BBG-21700-50E
Lithium-Ion Battery Pack
Series and Parallel
Chargeable
High Discharge Rate
Small
Chargers
5ah
3.7V
Flash Light, Power Tool, RC Cars, etc.
Li-ion
21.5mm X 70.8mm
69.5g
Cylindrical Cells
800 Times
Standard Carton Package
SGS. CE. RoHS. ISO9000
Korea
8507600090
Product Description
High capacity INR21700 50E cell
Model: INR21700-50E
Nominal Capacity: 5000mAh
Minimum Capacity: 4900mAh
- Charge : 0.5C(2450mA), 4.2V, 0.02C(98mA) cutoff @ RT
- Discharge : 0.2C(980mA), 2.5V cutoff @ RT
* 1C=4900mA
Nominal Voltage: 3.6V
Charging Method: CC-CV
Charging Voltage: 4.2V
Standard Charging Constant Current: 2450mA
Standard Charging Time: 3hours
Standard Charging End Current: 98mA
Maximum Charging Current: 4900mA(not for cycle life)
Discharging Cut-off Voltage: 2.5V
Maximum Discharge Current
- For Continuous Discharge: 9800mA
- Not For Continuous Discharge: 14700mA
Cycle Life: Capacity ≥ 3,802mAh @ after 500cycles(80% of the Rated Discharge Capacity @ RT)
- Charge:0.5C(2,450mA),4.2V,CCCV0.05C(245mA) cut-off @ RT
- Discharge: 1C(4,900mA), 2.5V cut-off @ RT
Weight: Max. 69g
Maximum Dimensions: D-20.25mm, L-70.80mm
Storage Temperature: -20 to +60° C
Applications:
Portable high power devices
Stationary battery backup systems
Grid stabilization energy storage systems
Commercial truck and bus hybrid electric vehicles (HEVs)

Other models:
Model: INR21700-50E
Nominal Capacity: 5000mAh
Minimum Capacity: 4900mAh
- Charge : 0.5C(2450mA), 4.2V, 0.02C(98mA) cutoff @ RT
- Discharge : 0.2C(980mA), 2.5V cutoff @ RT
* 1C=4900mA
Nominal Voltage: 3.6V
Charging Method: CC-CV
Charging Voltage: 4.2V
Standard Charging Constant Current: 2450mA
Standard Charging Time: 3hours
Standard Charging End Current: 98mA
Maximum Charging Current: 4900mA(not for cycle life)
Discharging Cut-off Voltage: 2.5V
Maximum Discharge Current
- For Continuous Discharge: 9800mA
- Not For Continuous Discharge: 14700mA
Cycle Life: Capacity ≥ 3,802mAh @ after 500cycles(80% of the Rated Discharge Capacity @ RT)
- Charge:0.5C(2,450mA),4.2V,CCCV0.05C(245mA) cut-off @ RT
- Discharge: 1C(4,900mA), 2.5V cut-off @ RT
Weight: Max. 69g
Maximum Dimensions: D-20.25mm, L-70.80mm
Storage Temperature: -20 to +60° C
Applications:
Portable high power devices
Stationary battery backup systems
Grid stabilization energy storage systems
Commercial truck and bus hybrid electric vehicles (HEVs)

Other models:
Model. | Description | Weight(g) | discharge |
USA K2 IFR 18650P 3.2V | 1200mAh | 45 | 30C/60C |
IFR 18650P 3.2V | 1100mAh | 45 | 20C/30C |
IFR 18650E 3.2V | 1500mAh | 45 | 3C/5C |
USA K2 26650Ev 3.2V | 3200mAh | 85 | 5C/10C |
USA K2 26650P 3.2V | 2600mAh | 85 | 30C/60C |
IFR 18650P 3.2V | 1500mAh | 45 | 15C |
IFR 38120S 3.2V | 10Ah | 330 | 5C/8C |
IFR 38120P 3.2V | 10Ah | 330 | 10C/20C |
ICR 18650E 3.7V | 2200mAh | 45 | 3C |
ICR 26650E 3.7V | 4000mAh | 82 | 2C |
ICR 26650E 3.7V | 4500mAh | 82 | 2C |
ICR26700E 3.7V | 5000mAh | 85 | 2C |
SAMSUNG INR18650-13P/13L | 1300mAh | 44.5 | 10/20C |
SAMSUNG INR18650-15K | 1500mAh | 44.5 | 10C |
SAMSUNG INR18650-15Q | 1500mAh | 44.5 | 12C |
SAMSUNG INR18650-15M | 1500mAh | 44.5 | 18C |
SAMSUNG INR18650-13Q | 1300mAh | 44.5 | 15C |
SAMSUNG INR18650-20Q | 2000mAh | 44.5 | 8C |
SAMSUNG INR18650-20R | 2000mAh | 44.5 | 11C |
SAMSUNG ICR18650-22FM | 22OOmAh | 45 | 2C |
SAMSUNG ICR18650-22P 3.7V | 2200mAh | 45 | 5C |
SAMSUNG ICR18650-26F/26FM/26H | 2600mAh | 45 | 2C |
SAMSUNG ICR18650-28A | 2800mAh | 45 | 2C |
SAMSUNG ICR18650-29E | 2900mAh | 45 | 2C |
SAMSUNG ICR18650-30A/30B | 3000mAh | 45 | 2C |
SAMSUNG ICR18650-32A | 3200mAh | 48 | 2C |
Panasonic NCR18650PF | 2900mAh | 45 | 2C |
Panasonic NCR18650BD | 3200mAh | 47 | 3C |
Panasonic NCR18650B | 34OOmAh | 45.9 | 1C |
Panasonic NCR18650A | 3100mAh | 45 | 2C |
LG 18650 HE2 | 2500mAh | 48 | 12.5C |
LG 18650 D1 | 3000mAh | 48.5 | 2C |
LG 18650 C2 | 2800mAh | 48 | 2C |
LG 18650 B4 | 2600mAh | 48 | 2C |
LG 18650 S3 | 2200mAh | 48 | 2C |
LG 18650 MF1 | 22OOmAh | 48 | 5C |
Company Information:
Shenzhen Battery building industry Co., Limited is a professional battery manufacturer of lithium batteries in China ,including : LiFePO4, LiMn2O4, LiNiCoMnO2 and LiCoO2 batteries. Products are widely applicable to E-bikes, E-motorcycles, EVs, golf carts, lawn mowers, electric tools and toys, portable power supply, safe mining equipments, UPS, telecommunication backup power, photovoltaic and wind power storage, etc.
All of our products will be strictly tested before delivering out .We also offer OEM & OEM service.
You are always welcome to visit our factory and cooperate with us!