MH-9V 350mAh Ni-MH 9V Battery for Security Alarms, Wireless Sensors, Portable Test Equipment
| Parameter | Specification |
|---|---|
| Model | MH-9V350mAh |
| Battery Type | Rechargeable Nickel Metal Hydride Cylindrical Cell stack-up battery |
| Cell Size | 9V |
| Nominal Voltage | 8.4V |
| Nominal Capacity | 350mAh |
| Fast Charge | 175mA (0.5C), charge termination control recommended |
| Trickle Charge | 10.5mA (0.03C) to 17.5mA (0.05C) |
| Maximum Discharging Current | 1050mA (3C) |
| Nominal Dimensions | L=26.0±0.5mm, W=17.5±0.5mm, H=49.0±0.5mm |
| Typical Weight | 45.0g |
| Cycle Life | >300 cycles, IEC 61951-2 test; up to 500 cycles noted in source |
| Fast Charging Temperature | 10 to 45°C |
| Discharging Temperature | -20 to 45°C |
| Operating Humidity | 65±20% RH test condition |
350mAh Ni-MH 9V Battery for Security Alarms, Wireless Sensors, Portable Test Equipment
The VTCBATT MH-9V350mAh rechargeable Ni-MH 9V battery is designed for equipment that needs a compact rechargeable 9V-format power source with stable low-to-medium drain output. The source specification confirms an 8.4V nominal voltage, 350mAh nominal capacity, 345mAh minimum capacity, 26.0 x 17.5 x 49.0mm nominal dimensions with sleeve, 45.0g typical weight, and standard charging at 20mA for 16 hours. Fast charging at 175mA is listed with charge termination control, and the datasheet notes service life of more than 300 IEC cycles. VTCBATT supports factory supply, OEM/ODM battery projects, sample development, labeling, packaging, and wholesale batch production for equipment manufacturers and distributors that require a rechargeable Ni-MH 9V battery format.
VTCBATT supports factory supply, OEM/ODM pack development, sample evaluation, labeling, lead wire and connector matching, and stable batch production for brands, distributors, and equipment manufacturers that need customized Ni-MH battery pack wholesale service.
350mAh Compact Power


IEC Cycle Life Support
OEM Integration Ready


Rechargeable 9V Format
Full Certification & Extended Warranty
VTCBATT Ni-MH batteries meet global certifications including CB, CE, UL, and UN38.3, and offer a 14-month warranty—two months longer than standard—to maximize customer confidence and profit.

VTCBATT Ni-MH battery passed all the major global certifications, such as CB, CE, EN61000,IEC62133,MSDS.UN38.3,ROHS,UL,BIS,KC Certification,which makes your product more competitive.

Compared to a normal 12-month warranty, VTCBATT Ni-MH batteries have 14-month warranty and two extra months for shipping and customs clearance ,which ensure the customer’s profit.
VTCBATT Production and Service
To meet the diverse demands of different customers,VTCBATT is noly only devoted to precise and standardized manufacturing in every process to ensure the highest-quality batteries, but also focuses on customized design and excellent service. By providing comprehensive support from pre-sales to after-sale ,VTCBATT cares customers’ feedback to establish long-term and win-win cooperation. Fast assistance and professional battery proposals are the core principle of our professional sales and technical engineers team.
From the raw materials mixing to the cell test, VTCBATT adopts an automatic manufacturing process to maximize production efficiency and enhance the batteries quality, safety, and reliability. The entire manufacturing process is monitored and 100% tested before flowing to the next procedure to ensure zero defects before delivery.
Over the past 20 years, VTCBATT has built strong partnerships with customers in more than 50 countries worldwide. With reliable quality, responsive service, and tailored battery solutions, we have earned the trust of our clients—many of whom have maintained long-term cooperation and lasting friendships with us for over a decade. Together, we continue to grow and move forward toward a brighter future.
Application for Ni-MH 9V battery
This rechargeable Ni-MH 9V battery is suitable for practical low-drain and standby devices such as security alarm sensors, wireless transmitters, handheld test meters, access-control modules, data loggers, educational electronics kits, and compact backup-power assemblies. Its 9V snap-terminal form factor allows straightforward replacement or integration in many 9V battery compartments, while the 350mAh rating and rechargeable chemistry help reduce disposable-battery replacement cycles in maintenance-oriented applications. VTCBATT can support application-specific customization for OEM customers, including labeling, terminal compatibility review, sample testing, packaging requirements, and factory-direct battery wholesale supply for distributors, brand owners, and device manufacturers.








- Ni-MH 9V battery Ni-MH rechargeable battery Test Report











