Yuasa AAC2700 TECHNICAL SPECIFICATION
TECHNICAL SPECIFICATION FOR NI-MH AAC2700
Specification No. AAC2700-00
1. APPLICATION
This specification applies to the Nickel-Metal Hydride batteries of Model ：
AAC2700 for Consumer AA
2.ASSEMBLY & DIMENSIONS
As Exhibit 1 drawing
3. RATINGS
Item Specification
3.1 Nominal Voltage
3.2 Nominal Capacity
3.3 Minimum Capacity
1.2 V/cell
2700 mAh
2500 mAh
Version
Page
Conditions and Remarks
(Temperature is 20 ℃ ± 5 ℃
except specified)
04
2/5
3.4 1 I
3.5 Standard Charge
3.6 Discharge Cut-off Voltage
3.7 Operating Temperature
— Charge
— Discharge
— Weight
3.8 Storage Temperature
— Within 1 month
— Within 3 months
— Within 1 year
A
t
2500 mA
250mA * 16 hours
1.0 V/cell
0 ℃ to 45 ℃
(Charge current 95 mA)
0 ℃ to 65 ℃
About 28 g/cell
-20 ℃ to 50 ℃ (Humidity ≤ 85%)
-20 ℃ to 40 ℃ (Humidity ≤ 85%)
-20 ℃ to 35 ℃ (Humidity ≤ 85%)
— Recommended Storage
5 ℃ to 25 ℃ (Humidity ≤ 85%)
TECHNICAL SPECIFICATION FOR NI-MH AAC2700
Specification No. AAC2700-00
4. TEST METHOD & PERFORMANCE
Item
4.1 Test condition
4.2 Standard Charge
4.3 Standard Discharge
4.4 Open Circuit Voltage
4.5 Capacity
4.6 Internal Impedance
Specification
Ambient temperature: 20 ℃±5 ℃
Ambient humidity: 65%±20%
≥ 1.25 V/cell
The discharge time should
be more than 5 hours
≤50 mΩ/cell
Version
Page
04
3/5
Conditions and Remarks
(Temperature is 20
℃ ± 5 ℃
except specified)
The test is carried out with new
batteries (within a month after
delivery or after testing the capacity)
–Discharge at 0.2 I
– Charge at 0.1 I
–Discharge at 0.2 I
A until 1.0 V/cell
t
A for 16 hours
t
A until 1.0 V/cell
t
Checked with 1000 Ω/V within
7 days after Standard Charge
–Standard Charge
–Rest 1 hour
–Standard Discharge
(5 cycles is permitted.)
At 1 kHz within 1 hour
after Standard Charge
4.7 High Rate Discharge
4.8 Low Temperature Discharge
(at 0 ℃±2 ℃)
4.9 Capacity Retention
(at 20 ℃±2 ℃)
4.10 Capacity Recovery
(at 20 ℃±2 ℃)
4.11 Cycle life
The discharge time should be
more than 48 minutes
The discharge time should be
more than 4 hours
The discharge time should be
more than 3.5 hours
The discharge time should be
more than 4.5 hours
≥ 130 cycles
4.12 Leakage No leakage (by eyes)
–Standard Charge
–Rest 1 hour
–Discharge at 1 I
A until 1.0 V/cell
t
( 5 cycles is permitted )
–Standard Charge
–16～24 hours Rest at 0 ℃±2 ℃
–Discharge at 0.2 I
A until 1.0 V/cell
t
at 0 ℃±2 ℃
(5 cycles is permitted.)
–Standard Charge
–Store with Open Circuit for 28 days
at 20 ℃±2 ℃
–Standard Discharge
–Standard Charge
–Store with Open Circuit for 1 years
at 20 ℃±2 ℃
– Discharge at 0.2 I
A until 1.0 V/cell
t
(5 cycles is permitted.)
See the note 1
–Standard Charge
–Store at 33 ℃ ±2 ℃
and Humidity 80% for 14 days
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