Page 1
Conditions
cell type:
NiMH
cell size:
AA
nominal voltage:
1.2
V
max. charge voltage:
1.5Vat standard charge
(0.1C / 20°C)
capacity
nominal:
2850
mAh
discharge at 0.2C
minimum:
2650
mAh
discharge at 0.2C
2400
mAh
discharge at 1C
1.0V end discharge voltage
ta: 20°C
max. continuous
discharge current:
5000
mA
ta: 0....45°C
charge
time
standard charge:
265mA14....16hrs
quick charge:
750mA4hrs
fast charge:
2650
mA
1.1hr
recommended charge
0…5mV- ΔV (-deltaV)
termination control
0.8...1
°C
temperature rise per minute
parameters:
45...50
°C
TCO (temperature cut off)
trickle charge current:
10…30
mA
(recommended)
continuous overcharge:
≤ 100
mA
no conspicuous deformation
(less than 1 year)
no leakage
internal resistance:
≤ 35mΩ
at 1KHz
(impedance)
battery fully charged
life expectance:
≥ 500
cycles
acc. IEC standard
self discharge
charge retention after
360 days storage at 20°C:
≥ 40%of minimal battery capacity;
at 0.2C discharge to EV 1.0V
subsequent capacity:
≥ 1060
mAh
initial capacity:
≥ 2000
mAh
within 30 days after delivery
discharge at 0.2C
ambient temperature
range:
0...45
°C
standard charge
10...40
°C
fast charge
-
20...65
°C
discharge
-
20...50
°C
storage (
≤1month)
-
20...45
°C
storage (
≤6months)
-
20...35
°C
storage (
≤12months)
QCT1:
20/2500/40
QCT2:
30/2350/45
mechanical specifications
cell dimensions
diameter d1 (incl. label):
14.5
- 0.7
mm
diameter d1 (bare cell):
14.3
- 0.7
mm
diameter d2:
max.
5.5
mm
height h1:
50.5
- 0.5
mm
height h2:
min.
1.2
mm
weight:
31
± 2
g
current
Diagrams
standard charge
NiMH Battery
fast charge
low rate discharge
high rate discharge
35
Manufacturer reserves the right to alter or amend the design, model and specification without prior notice
ANSMANN Specifications for model:
data sheet no. / part no.
supplier no.
author / date
AA - 2850mAh reduced self discharge
701372
TG / 17.12.2019
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