HIMAXBATT 12V 2.9Ah High-Rate SC Ni-MH Battery Pack for UPS & Security Systems

34.8Wh compact inline power with 5C continuous output, 10C pulse capability and flexible connector options

Nominal Voltage
12V

Nominal Capacity
2.9Ah

Energy
34.8Wh

  • 12V 2.9Ah SC Ni-MH battery pack delivering 34.8Wh for compact backup equipment.
  • 5C continuous and 10C / 1-second pulse output support demanding startup loads.
  • Slim 230mm inline construction with NTC sensing and locking connector options for secure equipment integration.

Compact Size. High-Rate Power.

Built around SC Ni-MH cells for compact UPS, security backup and equipment where space and response current matter.

⚡ High-Rate Backup Where Space Is Limited

For compact UPS, access control, emergency lighting and inspection equipment, the battery often has to deliver useful current without taking valuable installation space. The HIMAXBATT 12V 2.9Ah Ni-MH battery pack uses ten SC cylindrical cells in a 10S1P inline configuration, providing 34.8Wh nominal energy with a specified 5C continuous discharge capability of 14.5A and up to 29A for a 1-second pulse. This combination makes the pack a practical choice for equipment that needs fast backup response, compact packaging and repeatable high-current performance.

🛡️ Slim Inline Construction for Reliable Equipment Integration

The 230 × 24.5 × 44.5mm pack is arranged as a single straight 10-cell row, creating a narrow profile that can fit elongated battery compartments and tubular equipment spaces. A fire-retardant PVC heat-shrink sleeve protects the assembly, while a 10kΩ NTC sensor provides temperature feedback to the host equipment. Standard 16AWG silicone leads can be configured with Tamiya or locking JST connectors according to the application. Cell matching, nickel interconnection, multi-point welding, terminal insulation and assembly inspection are incorporated into manufacturing control, with engineering practices referenced to international industrial Ni-MH requirements including IEC 63115-1 performance and IEC 63115-2 safety principles.

Specifications

12V 2.9Ah High-Rate SC Ni-MH Battery Pack
Brand
HIMAXBATT
Product Model
HIM-12029-SC10S
Chemistry
Nickel-Metal Hydride (Ni-MH)
Cell Type
SC / Sub-C High-Rate Cylindrical Cell
Cell Quantity
10
Configuration
10S1P
Cell Nominal Voltage
1.2V
Cell Nominal Capacity
2900mAh
Pack Nominal Voltage
12.0V
Nominal Capacity
2.9Ah / 2900mAh
Minimum Capacity
2.8Ah
Nominal Energy
34.8Wh
Charge Termination
-ΔV with temperature monitoring
Connector Options
Tamiya / Locking JST 2P or 3P
Output Cable
16AWG Silicone Cable
Interconnect Material
High-Conductivity Nickel Strip
Outer Protection
Fire-Retardant Green PVC Heat-Shrink
Pack Dimensions
230 × 24.5 × 44.5mm
Approx. Weight
560g

Frequently Asked Questions

For compact backup equipment, battery selection is often determined by more than nominal voltage and capacity. Startup current, available installation space, charging method, connector retention and temperature feedback can all influence the final battery configuration. These questions cover the practical points most relevant to integrating a 12V SC Ni-MH battery into UPS, security and emergency equipment.
What makes SC Ni-MH cells suitable for high-rate backup applications?
SC cylindrical cells are commonly used where a compact rechargeable battery needs higher current capability than smaller cylindrical formats. For this pack, the specified 5C continuous and 10C / 1-second pulse discharge ratings define its intended high-rate performance, making it suitable for equipment with short-duration startup or switching loads.
Can this 12V 2.9Ah battery be used in a compact UPS?
Yes, when the UPS is designed for a compatible 12V Ni-MH battery configuration and its charger matches the required Ni-MH charging characteristics. The pack is intended for compact backup equipment where its 34.8Wh energy, high-rate output and slim inline construction are advantageous.
Does the battery support 10C discharge?
The specified maximum pulse output is 29A for 1 second, which corresponds to 10C based on the 2.9Ah nominal capacity. The specified continuous discharge capability is 14.5A, equivalent to 5C. Actual system performance should be evaluated against the host equipment’s load profile and pulse duration.
Can the connector be customized for my equipment?
Yes. The standard configuration uses 16AWG silicone leads with Tamiya or locking JST connector options. Cable length, connector type, terminal arrangement and temperature-sensing lead configuration can be adapted according to the equipment interface and installation requirements.
What should I confirm before ordering this SC Ni-MH battery pack?
Confirm the required voltage, capacity, continuous and peak current, charging method, available battery compartment, cable exit position, connector type and operating temperature. For OEM projects, an equipment drawing or existing battery sample allows HIMAXBATT to verify the electrical and mechanical configuration before production.

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