Characteristics:
1. High energy density: The mass energy density reaches 85Wh/kg and volume value gets 300Wh/L.
2. High power density: can reach 800W/L.
3. The operation voltage: 1.2V output voltage and could substitute for 1.5V batteries.
4. High safety property and could be over-charged and over-discharged.
5. Good cyclic performance: The Ni-MH batteries could be repeatedly charged and discharged for up to 1000 cycles.
6. Low internal resistance and could be discharged by high current.
7. Be Environmental, no pollution, no memory effect.

Description:
1. Lower self-discharge( 90% half year later and 85% 1 year later)
2. Long storage time and long service life( possible to use 1000 times)
3. Superior performance of capacity recovered even the battery voltage is below 1.0V, and 85% charge retention even after one year storage.
4. Highpower owns its patent. And Patent No: ZL 2005 1 0034847.2

Specification:
Model: HFR-50AAJY1900
Size: AA
Nominal Capacity: 1900
Dimensions: 50.5mm x 14.5mm
Standard Charge: 190mA + 16hours
Fast Charge: 950mA + 2.4hours
Approximate Weight: 27g

Model: HFR-50AAJY2000
Size: AA
Nominal Capacity: 2000
Dimensions: 50.5mm x 14.5mm
Standard Charge: 200mA + 16hours
Fast Charge: 1000mA + 2.4hours
Approximate Weight: 28g