3.6V 2000mAh AA NiMH rechargeable battery pack with wire lead and white connector for portable devices.

Front view of a 3-cell cylindrical NiMH rechargeable battery pack wrapped in blue PVC heat shrink.

End-face perspective of a compact 3S1P NiMH rechargeable battery structure showing cell layout.

Triangular 2 plus 1 cell arrangement of a high-capacity NiMH rechargeable battery pack.

Angle view of a compact NiMH battery power source designed for portable electronic equipment.

Close-up view of the wiring harness and connector terminal on a custom rechargeable battery pack.

3.6V 2000mAh AA NiMH Battery Pack for UV Blacklight Lamps

A compact AA-format rechargeable platform for fluorescence checks, security-mark inspection and portable UV-A field work.

Nominal Voltage
3.6V

Nominal Capacity
2000mAh

Energy
7.2Wh

AA / HR6 cells provide a familiar rechargeable format for portable UV-A equipment.
3.6V / 2000mAh stores 7.20Wh nominal energy for longer low-to-mid-power operation.
Compact 2 plus 1 packaging, optional NTC and OEM connectors simplify host integration.

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Description
Specifications
FAQs
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AA Power for Portable UV Inspection

3.6V NiMH energy for fluorescence detection, security marks and everyday portable blacklight applications.

🔎 A Familiar Battery Format for UV-A Field Work

Portable UV blacklight equipment is often used in situations where simplicity matters: checking fluorescence, locating stains, inspecting security marks or carrying the light between work areas. This design uses three AA NiMH cells in a compact 2 plus 1 arrangement, targeting 3.6V nominal voltage, 2000mAh capacity and 7.20Wh nominal energy. The target pack size is about 53 x 27 x 28 mm, wrapped in PVC heat-shrink rather than a rigid custom housing. The arrangement gives the product designer a familiar cylindrical format while leaving room to customize the cable route and connector around the host enclosure.

🧪 Straightforward Electrical Architecture, Correct NiMH Control

The battery uses a straightforward power interface with optional temperature sensing rather than digital communication. JST-PH 2P can be used as a starting connector, while cable length, terminal position and connector type can be customized around the host PCB. Charging should use a NiMH-specific strategy based on constant current, negative delta-V and temperature or time monitoring. Finished validation can include capacity, DC resistance, open-circuit voltage, polarity, weld condition, connector retention, cable pull, vibration, drop and temperature rise. IEC 62133-1:2026 and IEC 61951-2:2017 plus AMD1:2022 are the principal NiMH references. RoHS, CE and UL requirements are assessed according to the target market and final host product.

Specifications

3.6V 2000mAh AA NiMH Battery Pack

Application

Portable UV blacklight / fluorescence detection lamp

Target Uses

Pet stain detection, fluorescent inspection, security marks, mineral fluorescence, field inspection

Chemistry

NiMH

Cell Format

AA / HR6

Cell Quantity

Configuration

3S1P

Pack Voltage

3.6V nominal

Pack Capacity

2000mAh target

Nominal Energy

7.20Wh

Arrangement

2 plus 1 compact

Pack Dimension

About 53 x 27 x 28mm

Pack Weight

Pack Weight About 82 to 95g target

Encapsulation

PVC heat-shrink

Connector

JST-PH 2P recommended

NTC

10k ohm optional

Communication

None

Charge Control

Constant current with negative delta-V and temperature or time monitoring

Mechanical Tests

Drop, vibration, cable pull and connector retention

OEM Customization

Capacity, dimensions, arrangement, cable, connector, NTC, PVC and terminal position

Frequently Asked Questions

AA NiMH remains useful when a portable UV product needs a familiar rechargeable cell format, moderate power demand and a straightforward battery architecture. The important step is matching the battery to the actual lamp load and charger.

Why use AA instead of AAA?

AA cells provide a larger physical format and support a higher capacity target when the host product has enough internal volume.

Is 2000mAh suitable for a portable blacklight?

It can be suitable for low-to-mid-power portable UV-A applications. Higher-power equipment should be reviewed against the actual electrical load.

Can the battery use a lithium charger?

No. The chemistry is NiMH, so the charger must use a charging method appropriate for NiMH behavior.

Can NTC temperature sensing be added?

Yes. A 10k ohm NTC can be added when the host charging system supports thermistor feedback.

What determines actual runtime?

Actual runtime depends on lamp input power, driver efficiency, cutoff voltage, operating temperature and operating mode rather than battery capacity alone.