3.6V 3500mAh Sanyo NCR2070C Cell
Sanyo NCR2070C 3500mAh
The Sanyo 2070C cell comes up with a nominal capacity of 3500mAh, the voltage of 3.6V .
The Sanyo NCR2070C is a lithium-ion cell intended for use in 2070 battery packs. It can power a wide range of devices including a shaver/trimmer, electric sprayer, or fiber optic tester.
This is an absolutely excellent cell for anyone seeking high performance 2070 cells.
HIGHLIGHTS OF SANYO NCR2070C
Max. continuous discharge current: 30A
Nominal Capacity: 3500 mAh
Minimum Capacity: 3400 mAh
Nominal Voltage: 3.6V
Standard Charging Current: 2A
Quick Charging Current: 4A
Discharge End Voltage: 2.5V
Weight (max): 66.0g
Dimensions (With tube-wrap):
Length Max. 70.3mm
Diameter Max. 20.4mm
Weight (max.)62.0g
Charging:
Charging Voltage: 4.20V
Standard Charging Current: 2A (2000mA)
Method: CC/CV
Charging Time: approximately 180 minutes
Application:a wide range of devices including a wireless headset, portable page scanner, or smart video doorbell
Warnings:
-Do not overdischarge/overcharge
-Recharge drained batteries ASAP
-Do not short circuit
-Do not dispose of in fire
-Do not expose to extreme heat or water
-Please be familiar with handling lithium-ion batteries before purchase.
| Item | Condition / Note | Specification |
|---|---|---|
| Initial AC Impedance | Cell shall be measured at 1kHz after charge per Standard Charge | ≤ 70 mΩ, without PTC |
| Initial Power | Cells shall be charged per Standard Charge and discharged per Standard Discharge within 1h after full charge. | ≥ 2500 mAh |
| Cycle Life | Cells shall be charged and discharged per high drain charge rate 300 cycles. A cycle is defined as one charge and one discharge. 301st discharge power shall be measured per standard charge and standard discharge. | ≥ 80 % (of Cmin in 2.1) |
| ltem | Condition | Specification | |
|---|---|---|---|
| Storage Characteristics | Cells shall be charged per Standard Charge and stored in atemperature-controlled environment at 23°C ±2C for 30 days. After storage,cells shall bedischarged per Standard Disharge to obtain the remainingcapacity. | Capacity remaining rate290%(Cmm in 2.1) | |
| High TemperatureStorage Test | Cells shall be charged per Standard Charge and stored in atemperature-controlled environment at 60°C for1 week. After storage,cells shall be dischargedper Standard Disharge and cycled per High Drain Rate Charge for 3 cycles toobtain recovered capacity'. | No leakage,Capacity recovery rate ≥80% | |
| High Temperature andHigh Humidity Test | Cells are charged per Standard Charge and stored at 60C(95% RH)for 168 hours. After test, cells aredischarged per Standard Disharge and cycled per High Drain Rate Charge for 3cycles to obtain recovered capacity. | No leakage,No rustCapacity recovery rate ≥80% | |
| Thermal Shock Test | 65°C(8h)- 3hrs →-20℃ (8h) for 8 cycleswith cells charged per Standard Charge After test, cells aredischarged per Standard Disharge and cycled per High Drain Rate Charge for 3cycles to obtain recovered capacity. | No leakageCapacity recovery rate ≥80% | |
| TemperatureDependency of Capacity | Cells shall be charged per Standard Charge at 23℃ ± 2℃and discharged per Standard Disharge at the followingtemperatures. | ||
| Charge | Discharge | Capacity | |
| 23℃ | -10℃ | 60% of Cm | |
| 0℃ | 90% of Cm | ||
| 23℃ | 100% of Cm | ||
| 60℃ | 95% of Cm | ||
* Remaining Capacity : After storage, cells shall be discharged with standard condition(4.1.2) to measure the remaining capacity.
** Recovery Capacity : After storage, cells shall be discharged with standard discharge condition(4.1.2), and then cells shall be charged with standard charge condition(4.1.1), and then discharged with standard discharge condition(4.1.2). This charge / discharge cycle shall be repeated three times to measure the recovery capacity
Warning:
1). Do not disassemble, dispose of in fire, heat or short circuit.
2).Do not insert batteries with the(+)and(-)reversed.
3). Do not mix fresh batteries with used batteries.
4).Do not submerge the battery in water
Want More Details: Download our battery design ebook.Lithium Battery Design Design Ebook Download(2M, 20 pages, PDF)
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