24V AA 1300mAh Ni-MH Rechargeable Battery Pack

Q: What is cycle‑life of this 24.0V AA 1300mAh Ni‑MH pack?

≥500 cycles tested following IEC61951‑2:2017 standard under 0.2C charge‑discharge test conditions for assembled battery pack.

Q: What is total internal resistance for 24.0V AA1300mAh battery pack?

≤700mΩ for whole assembled pack, measured at 1KHz AC under fully‑charged status.

Q: Can you customize wires, connectors and heat‑shrink housing for this 24.0V AA pack?

Yes. We support custom lead wires, JST/SM/KET/Tamiya connectors, heat‑shrink tube wrapping and polarity adjustment for OEM projects.

Q: What certificates can you provide for export of 24.0V AA Ni‑MH battery packs?

PPWR, CE, RoHS, REACH, MSDS and UN38.3 shipping documents can be supplied for global export orders.

Q: Are samples available for 24.0V AA 1300mAh Ni‑MH battery pack?

Samples can be arranged for performance validation, buyer shall cover the freight cost.

Description

Full Technical Specifications (WJ‑PACK‑20S‑AA1300)

Parameter Item	Specification
Model Number	WJ‑PACK‑20S‑AA1300
Nominal Voltage	24.0V (20pcs 1.2V AA Ni‑MH cells in series)
Rated Capacity	1300mAh (Minimum 1250mAh)
Nominal Energy	31.2Wh
Cell Configuration	20S‑1P (Twenty standard AA Ni‑MH 1300mAh cells series‑welded)
Single Cell Dimension (D×H)	Φ14.5mm × 50.5mm
Pack Approx Weight	Approx 440g (without connector)
Whole‑Pack Internal Resistance (1kHz, full charged)	≤700 mΩ
IEC Cycle Life	≥500 cycles (IEC61951‑2:2017)
Max Continuous Discharge Current	2600mA (2C)
Standard Charge	130mA (0.1C), 16 hours
Fast Charge	390mA‑650mA with ‑ΔV / temperature cut‑off control
Discharge Temperature Range	-10℃ ~ +50℃
Short‑term Storage Temperature (<30 days)	-20℃ ~ +45℃
Pack Cut‑off Discharge Voltage	20.0V (1.0V per single cell)
28‑day Self‑discharge Retention	≥70% capacity @20℃ ambient
Certifications & Shipping Documents	PPWR, CE, RoHS, REACH, MSDS, UN38.3 available

Core Performance Advantages

≥500 IEC standard cycles: Assembled from grade‑A WJ‑H‑AA1300 cells, pass IEC61951‑2‑2017 cycle test for industrial standby and portable equipment.
20S series 24.0V finished AA battery pack: Factory spot‑welded twenty AA‑1300mAh cells, stable 24.0V rated output for backup power and replacement‑device projects.
Strict cell matching process: Capacity, internal‑resistance and open‑circuit voltage sorted before spot‑welding, minimize voltage drift under continuous‑load working conditions.
High rate discharge performance: Supports up to 2C continuous discharge, suitable for equipment with pulse‑current working requirements.
Wide working temperature: Discharge range from‑10℃ up to +50℃, fit indoor equipment and mild outdoor operating scenarios.
Flexible OEM options: Custom flying leads, Tamiya/JST/SM/KET connectors, heat‑shrink sleeve wrapping, polarity adjustment and private label printing.

Performance Characteristic Curves

1.0C Rate Charging Curves

0.1C‑1.0C Multi‑Rate Charging Curves

0.2C / 0.5C / 2C Discharging Curves

Storage & Self‑Discharge Retention Curves

OEM Custom Battery‑Pack Service

We provide OEM & ODM finished‑pack assembly service for WJ‑PACK‑20S‑AA1300 24.0V Ni‑MH battery. We support grade‑A cell sorting, spot‑weld inter‑cell tabs, different gauge flying leads, multiple industry‑standard connectors (Tamiya, JST‑PH, SM, KET), heat‑shrink tube insulation, custom polarity and private label printing. Suitable for emergency backup power, instrument replacement and new‑product‑development projects.

24.0V AA Ni‑MH battery pack assembly and QC workflow

Typical Application Scenarios

This 24.0V AA 1300mAh series Ni‑MH battery pack is widely applied for industrial emergency power supply, fire‑alarm backup power, security systems, portable measuring instruments and 24V small standby power modules.

Industrial emergency power supply Fire & security alarm backup power Portable test measuring instruments Automatic control equipment 24V standby power modules Portable industrial control units

Frequently Asked Questions

Q1: What is cycle‑life of this 24.0V AA 1300mAh Ni‑MH pack?

A: ≥500 cycles tested following IEC61951‑2:2017 standard under 0.2C charge‑discharge test conditions for assembled battery pack.

Q2: What is total internal resistance for 24.0V AA1300mAh battery pack?

A: ≤700mΩ for whole assembled pack, measured at 1KHz AC under fully‑charged status.

Q3: Can you customize wires, connectors and heat‑shrink housing for this 24.0V AA pack?

A: Yes. We support custom lead wires, JST/SM/KET/Tamiya connectors, heat‑shrink tube wrapping and polarity adjustment for OEM projects.

Q4: What certificates can you provide for export of 24.0V AA Ni‑MH battery packs?

A: PPWR, CE, RoHS, REACH, MSDS and UN38.3 shipping documents can be supplied for global export orders.

Q5: Are samples available for 24.0V AA 1300mAh Ni‑MH battery pack?

A: Samples can be arranged for performance validation, buyer shall cover the freight cost.

Manufacturer & Certification Support

Weijiang Power manufactures this 24.0V AA Ni‑MH assembled battery pack with grade‑A original WJ‑H‑AA1300 Ni‑MH cells. In‑house cell‑sorting, spot‑welding and reliability‑testing laboratory support mass‑production and small‑batch OEM customization. Full set export‑ready certification & shipping documents for worldwide customers.

View All Certifications > Factory & Testing Lab Showcase >

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