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

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Conditions and Remarks (Temperature is 20 ℃ ± 5 ℃ except specified)

04

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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

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Page

04

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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

TECHNICAL SPECIFICATION FOR NI-MH AAC2700

Specification No. AAC2700-00

5. SAFETY TESTS

Item Specification

5.1 Overcharge

5.2 Reverse-Charging

5.3 Short-Circuit

Store for 5 hours, No leakage, No disrupt (by eyes)

No disrupt, Leakage of electrolyte and deformation of the cell are acceptable

6. MECHANICAL TEST

Version

Page

Conditions and Remarks (Temperature is 20

℃ ± 5 ℃

except specified)

–Charge 0.1 I after Standard Charge

–1 hour Rest

–Standard Discharge –Incorrect Polarity Charge 1 I

A * 1 hour

t

–Standard Charge –Short-circuit with Shortest Wire (AWG 18#)

A * 48 hours

t

04

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6.1 Shock

No leakage, No disrupt, No obvious deformation (by eyes) No short-circuit, Nominal voltage ≥1.2 V/cell

–Standard Charge –1 drop along each direction of the 3 mutually perpendicular axes from

1.00 m to the hardwood

7.ACCEPTABLE QUALITY LEVEL (AQL)

The inspection shall be in accordance with the following method.

(ref. ISO2859-1:1999 or GB/T 2821.1-2003)

NO Inspection item Number of samples Allowable number of defective cells

1. Outer appearance Level I

2. Dimensions Level I 0.65

3. Function* Level I

* Include : Capacity, 1 I

A-rate, O.C.V., Internal impedance

t

AQL=1.5

0.4

8. WARRANTY

8.1 This product is warranted for a period of one year from date of shipment.

8.2 During the warranty period , YUASA (TIANJIN) THCHNOLOGY LTD.(YTTL) will replace

products which prove to be design or manufacture defects.

9. OTHERS

Please consult YTTL if you have any doubt on the content of this specification, and this specification

will be changed or revised if necessary.

TECHNICAL SPECIFICATION FOR NI-MH AAC2700

Specification No. AAC2700-00

Note 1: Standard Cycle life

Cycle number

1

2~48

49

50

50 cycle test as per above table is repeated. The discharge time of the 100th, 130th

should be more than 3 hours respecitively.

250 mA for 16 hrs

625 mA for 3 hrs 10 mins

250 mA for 16 hrs

Charge

None

1 h to 4 hrs 500 mA to 1.0 V/cell

Exhibit 1

Jacketed cylindrical cells interchangeable with primary batteries

(+)

Version

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DischargeStand in charged condition

625 mA for 2 hrs 20 mins

625 mA to 1.0 V/cell

04

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Designation

(-)

Diameter(mm)

D

+0

14.5 50.5AA

-0.7

Height (mm)

H

+0

-1.5

Top shape

Button