Ultrafire 18650 2500mAh 3.7V Protected Lithium Ion (Li-ion) Button Top Battery - Bulk (ULTRAFIRE-18650-2500-PTD)
Brand:Ultrafire
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RFQ
- Size: 18650
- Voltage: 3.7
- Rechargeable: Yes
- Chemistry: Li-Ion
- Capacity (mAh): 2500
- Terminal Type: Button Top
$7.95
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Description
Ultrafire 18650 Protected Rechargeable Lithium Battery
Detailed Description:
Protected 18650 2500 mAh rechargeable 3.7 volt battery - charge with the Ultrafire Multi-Battery charger.
The advantage of this cell is that it features a button top making it particularly compatible with many flashlight applications.
Rechargeable Lithium batteries are rapidly becoming a very economical way to lower the operating costs of Lithium-Powered flashlights. We offer a number of different options in order to meet any rechargeable needs. These are Protected batteries.
These fully protected cells simplify usage with their integrated PCB. Perfect for your single cell application these cells are not for pack building as doing so will defeat the PCB protection which is matched to the correct voltage on a single cell. If you are building a pack please choose one of our other cells and the appropriate PCB.
Features and Benefits:
- Unique and New! With integrated PCB Protection!
- Lithium Ion 18650 cylindrical rechargeable batteries
- Internal PCB protection prevents under-voltage at 2.5V and over-voltage at 4.25V.
- Unique PCB design and patent pending.
- Higher energy density and lower weight than other types rechargeable batteries
- Manufactured under ISO9001-2000 to assure quality
- Battery tested based on International Electrotechnical Commission (IEC) standard to ensure capacity, quality and life time
- Lighting or other device needing 3.7V power
- Building portable power device needing high energy density and low weight
Product Specifications:
- Capacity: Nominal: 2500 mAh, Minimum: 2250 mAh
- Internal PCB protection prevents under-voltage at 2.5V and over-voltage at 4.25V. UNIQUE INTERNAL PCB!
- Dimensions:
- Diameter 18.3+/-0.5 mm
- Height 66.5+/- 0.5mm
- Weight (Typical) Approx. 46 g
- Nominal Voltage: Average 3.7V
- Cut-off Voltage: 2.5V
- Internal Impedance: less or equal to 180 milliohm (with PTC)
- Cycle Performance: 90% of initial capacity at 400 cycles
- Cycle life: 500 cycles
- Charge: Current = 0.5C mA Voltage = 4.2 V End Current = 0.01 mA
- Discharge: Current = 0.5C mA End Voltage = 3.0V
Item Details
| Brand | Ultrafire |
| SKU | ULTRAFIRE-18650-2500-PTD |
| Size | 18650 |
| Voltage | 3.7 |
| Battery Rechargeable | Yes |
| Capacity (mAh) | 2500 |
| Chemistry | Li-Ion |
| Sub-Chemistry | LiCoO2 ICR |
| Shelf Life | 3 Years |
| Packaging | Bulk |
| QTY Per Package | 1 |
| California Residents | see Prop 65 WARNINGS |
Specifications
| Size | 18650 |
| Voltage | 3.7 |
| Battery Rechargeable | Yes |
| Capacity (mAh) | 2500 |
| Terminal Type | Button Top |
| Protected | true |
Unit Dimensions
Additional Details
| Packaging | Bulk |
| Warranty | Battery Junction Warranty |
| Return Policy | Return Policy |
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