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DUSLAN
DUSLAN 330H 1.2 V 330 mAh NiMH button battery
Rechargeable 1.2 V NiMH button cell delivers 330 mAh capacity and up to 1000 charge cycles for custom battery packs
- Battery Type330H
- Delivers steady 1.2 V output for consistent device operation
- 330 mAh capacity supports extended runtime between charges
- Recharges up to 1000 cycles for long-term value
- Operates reliably from -20 °C to 35 °C
- Compact 25.3 mm × 6.3 mm button-cell fits tight spaces
Purpose and fit
The DUSLAN 330H is a 1.2 V nickel metal hydride button cell rated at 330 mAh. It suits engineers and hobbyists building custom packs for memory backup, medical devices or compact instrumentation where a flat rechargeable cell is required. Buyers needing a higher single-cell voltage or a non-rechargeable chemistry should look elsewhere.
Sustained behaviour
Standard discharge is specified at 66 mA down to a 1.0 V cut-off, giving a predictable runtime curve rather than a brief peak. Normal recharge accepts 33 mA while trickle charging stays between 9.9 and 16.5 mA continuously, allowing the cell to remain on float without damage. The chemistry shows no memory effect and is rated for up to 1000 cycles.
Thermals noise and power
Operating temperature spans -20 °C to 35 °C, so the cell maintains capacity across a wide indoor and mild outdoor range. As a sealed button cell it generates no audible noise during charge or discharge. The 6 g mass and 25.3 mm by 6.3 mm footprint keep self-heating minimal under the rated currents.
Highlights
- Delivers steady 1.2 V output for consistent device operation
- 330 mAh capacity supports extended runtime between charges
- Recharges up to 1000 cycles for long-term value
- Operates reliably from -20 °C to 35 °C
- Compact 25.3 mm × 6.3 mm button-cell fits tight spaces
Specifications
| Battery Type | 330H |
|---|
Questions about this item
How much heat does the 330H generate when it is charged at 33 mA all day?
The 330H operates between -20 and 35 °C, so continuous normal charging at 33 mA keeps it well within that range without extra cooling.
What holder or circuit must I already have to use this 25.3 mm by 6.3 mm button cell?
You need a 330H-compatible holder or a custom pack PCB that accepts a 25.3 mm diameter, 6.3 mm high cell with a 1.2 V NiMH charge profile.
Will the 1.0 V cut-off voltage of this 330H work with older gear that expects 1.2 V alkaline cells?
The 330H discharges down to 1.0 V, so devices designed for 1.5 V alkaline cells may shut off early, but equipment made for 1.2 V NiMH will run normally.
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