Primary cell · Lithium primary · Li/MnO2 · cylindrical
Maxell CR17450A
2.5 Ah Li/MnO2 cylindrical primary cell from Maxell. Every value below is read from the manufacturer web page and keeps the conditions it was stated at; what the source does not state is marked as not stated.
- Capacity
- 2.5 Ah5 mA · 20 °C · to 2 V
- Nominal voltage
- 3 V
- Energy
- 7.5 Whcalculated by Lemonergy from stated values: capacity × voltage
- Mass
- 22 g
- Specific energy
- 341 Wh/kgcalculated by Lemonergy from stated values
- Energy density
- 734 Wh/Lcalculated by Lemonergy from stated values
- Dimensions
- Ø 17 × 45 mm
- Continuous discharge
- Not stated
- Cycle life
- Not stated
- Internal resistance
- Not stated
- Operating temperature
- -40 to 85 °C
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Not offered in Lemonergy Design, which takes lithium-ion and sodium-ion cells only.
Specifications
7 quantities stated by the manufacturer web page, grouped as in the finder. Conditions are the rate, temperature and limits each value was stated at.
Electrical
| Quantity | Value | Conditions | From the source |
|---|---|---|---|
| Nominal voltage | 3 V | nominal value | Model CR17450A; Nominal Voltage (V) 3Specifications |
| Capacity | 2.5 Ah | 5 mA · 20 °C · to 2 V · nominal value | Model CR17450A; Nominal Capacity (mAh) 2500; Nominal Discharge Current (mA) 5; voltage drops to 2 V at 20 deg. CSpecifications; nominal-capacity footnote |
Physical
| Quantity | Value | Conditions | From the source |
|---|---|---|---|
| Mass | 22 g | none recorded | Model CR17450A; Weight (g) 22Specifications |
| Diameter | 17 mm | none recorded | Model CR17450A; Diameter (mm) 17Specifications |
| Height | 45 mm | none recorded | Model CR17450A; Height (mm) 45Specifications |
Thermal and safety
| Quantity | Value | Conditions | From the source |
|---|---|---|---|
| Operating temperature, min | -40 °C | minimum valueNot stated: temperature reference, direction | Model CR17450A; Operating Temperature Range (deg. C) -40 to +85Specifications; Warnings |
| Operating temperature, max | 85 °C | maximum valueNot stated: temperature reference, direction | Model CR17450A; Operating Temperature Range (deg. C) -40 to +85Specifications; Warnings |
Chemistry
- Classified as
- Lithium primary · Li/MnO2
- Designation
- Li/MnO2
- Cathode
- manganese dioxide (MnO2)
- Anode
- lithium (Li)
uses manganese dioxide (MnO2) as its positive active material and lithium (Li) as its negative active material
Source and dates
- Kind
- manufacturer web page
- SHA-256
97221c2292df2d2f7166fd936e5c57ff4e87f781f3eb9c23a4bb7bac1871876f- Note
- Retrieved 2026-08-16. Locator quotes are model-specific normalized transcriptions of the manufacturer's Specifications table. Header labels and values are preserved; separators, whitespace, trailing zeros, and footnote markers may be normalized. The live HTML page states no document revision or pagination and says that data and dimensions are not guaranteed. When using at temperatures exceeding 60 deg. C, Maxell instructs users to consult it in advance for conditions of use. These products are available only to equipment manufacturers as built-in parts and are not supplied directly as replacements. Manufacturer source rechecked 2026-09-15; accepted after owner-delegated review 2026-09-16. See review/audits/2026-09-16-catalog-review.json.
- Source document date
- Not recorded (evidence)
- Source revision
- Not recorded
- Specification source retrieved
- Not recorded (evidence)
- Product lifecycle checked
- Not recorded
- Product release
- Not researched
- Date context
- Source retrieval and document revision do not establish product release or current availability.
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