Basic Electrical Performance
Chemistry: Nickel-Metal Hydride (Ni-MH)
Cell type: AA, 3S1P configuration
Nominal voltage: 3.6V
Rated capacity: 1500mAh (0.2C discharge, 25℃)
Charge cut-off voltage: 4.5V
Discharge cut-off voltage: 3.0V
Standard charge: 0.1C × 14–16h; Fast charge: 0.5C × 2.5–3h (with thermal protection)
Standard discharge: 0.2C continuous discharge
Cycle & Life Performance
Cycle life: ≥500 cycles (0.2C charge/discharge, capacity retention ≥80%)
Self-discharge: ≤30% per month (standby at 25℃)
Operating temperature: Charge 0–45℃; Discharge -10–55℃
Storage temperature: -20–35℃ (maintain 3.6V±0.2V for long-term storage)
Mechanical & Physical Parameters
Dimensions: customizable
Weight: Approx. 65g
Packaging: Heat-shrink tube / plastic case (flame retardant V-0 optional)
Wiring & connector: Standard 2.54mm pitch / PH2.0, cable length customizable
Assembly: Spot-welded connections, insulated isolation, short-circuit protection
Reliability & Consistency Validation
Voltage consistency: ≤±0.03V per cell (matched sorting)
Capacity consistency: ≤±5% (same batch)
Materials: Steel cell casing + flame-retardant insulation, resistant to vibration and mild shock
Safety: Basic overcharge, over-discharge and short-circuit protection for industrial environments
Applications
Emergency lighting & fire alarm backup power
Industrial sensors, smart meters & security devices
Wireless communication terminals & handheld test instruments
Portable medical devices & consumer electronics backup
