1.5V 2900mAh LiFeS2 AA Battery for Digital cameras, camcorders, flashlights, portable lighting
| Item | Specifications | |
|---|---|---|
| Battery Type | Lithium-Iron Disulfide/Organic Electrolyte | |
| Rated voltage | 1.5V | |
| Off-load voltage | 1.74～1.88V | |
| Closed circuit voltage (3.9Ω, 0.5 second) | ≥1.55V | |
| Rated capacity | 2900mAh | |
| Discharge current | 35mA | |
| Discharge end-point voltage | 0.8V | |
| Battery weight (Ref.) | 16.0±0.5g | |
| Operating temperature | -40℃~+60℃ | |
| Storage temperature | -10℃~35℃ | |
| Storage life (45~75%RH, -10℃~+35℃) | 10 years | |
| Battery dimension (Max.) | Height | 50.5mm |
| Diameter | 14.4mm | |
Delivers long-lasting power with 2900mAh capacity
Provides consistent 1.5V voltage for reliable performance
Low self-discharge ensures readiness over extended storage
Compact design ideal for portable electronic devices
Top LiFeS2 Batteries Lithium Battery Cell Manufacturers in China
VTCBATT is a leading manufacturer of 1.5V 2900mAh LiFeS2 AA batteries, recognized for high energy density, stable voltage output, and long shelf life. With advanced production lines operating 24/7, VTCBATT ensures large-scale, reliable supply for B2B clients in cameras, flashlights, portable lighting, remote controls, and other electronic devices. Their strict quality control, international certifications, and flexible OEM/ODM services make VTCBATT a trusted partner for businesses seeking high-performance LiFeS2 batteries with scalable manufacturing capacity.
Comprehensive Testing for Deep Performance and Extreme Environments
Low-Temperature Discharge: Testing in a -20°C chamber directly verifies cold-environment performance, matching the report’s criteria.
Capacity & High-Rate Discharge: Real-time metrics (1.5A, 1.48V) and discharge curves confirm the battery’s 2900mAh capacity and stable high-power supply.
Multi-Cycle Verification: A “2025 Comprehensive Testing Report” marked with “Low-Temp Cycle 5: Pass” confirms the battery undergoes strict, multi-cycle evaluation compared against standard results.
Real-Time Monitoring: Background screens track live current, voltage, and temperature data, ensuring test integrity and laboratory rigor.
Safety Verification: The use of professional lab equipment implies comprehensive safety assessments, such as overcharge, overdischarge, and pin-prick tests, ensuring battery reliability.
LiFeS2 vs. Energizer Lithium in Extreme High-Drain Tests
This high-resolution photograph captures a rigorous, controlled experiment at the BatteryTech Solutions laboratory. A dual-cell battery fixture is placed inside a frosted environmental chamber operating at a steady -20°C. Two batteries—a “BatteryTech Solutions Model FR14505 (LiFeS2)” and an “Energizer Ultimate Lithium (L91)”—are simultaneously subjected to a severe 3.0 Amp constant drain load. Professional data logging screens show the real-time discharge curves: the blue curve for the LiFeS2 FR14505 battery maintains a high voltage for a significantly longer duration, outperforming the Energizer L91, which drops faster under the brutal combination of high-drain and sub-zero temperatures. A bar chart confirms the internal resistance of the LiFeS2 battery is nearly half that of the Energizer L91 (35 mΩ vs 65 mΩ), directly explaining its superior performance in this high-drain scenario. The image provides absolute, visual evidence of the performance advantages of LiFeS2 technology over standard Energizer Lithium.
Why Choose VTCBATT?
VTCBATT not only focuses on customized design and excellent service to meet the diverse demands of different customers, but also devotes itself to precise and standardized manufacturing in every process to ensure the highest-quality batteries. Meanwhile, VTCBATT will provide comprehensive support from pre-sales to after-sales, focusing on customers’ feedback to establish long-term and win-win cooperation. VTCBATT professional sales and technical engineer teams will be your best custom battery experts to assist with reliable and fast services at any time.
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
The VTCBATT 1.5V 2900mAh LiFeS2 AA battery is widely used in cameras, flashlights, portable lighting, remote controls, and other small electronic devices, where high energy density, stable voltage, and long shelf life are critical. Its robust cylindrical design provides reliable power while replacing standard disposable batteries for longer runtime and consistent performance.
This battery supports flexible integration in compact devices, offering precise voltage, stable capacity, and optional intelligent protection circuitry to meet application requirements. With excellent thermal stability, consistent 1.5V output, and strong high-drain performance, the VTCBATT 1.5V 2900mAh LiFeS2 battery ensures safe, efficient, and dependable operation for both consumer and industrial electronics.
