Email: info@balderpower.com
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Battery Type： Lithium polymer
Battery Cell Grade： A grade new cells
Condition: 100% brand new and compatible
Power： 40Wh
Cycle life： 500-1000 times
Standby time: 3~7 days
Voltage/Capacity： 7.4V/5400mAh
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Compatible models: MacBook Air 13″ A1237 MacBook Air 13″ MB003 MacBook Air 13″ MB003J/A MacBook Air 13″ MB003LL/A MacBook Air 13″ MB003TA/A MacBook Air 13″ MB003X/A MacBook Air 13″ MB003ZP/A MacBook Air 13″ Z0FS MacBook Air 13” MC233*/A MacBook Air 13” MC233CH/A MacBook Air 13” MC233LL/A MacBook Air 13” MC233TA/A MacBook Air 13” MC233X/A MacBook Air 13” MC233ZP/A MacBook Air 13” MC234*/A MacBook Air 13” MC234CH/A MacBook Air 13” MC234LL/A MacBook Air 13” MC234TA/A MacBook Air 13” MC234X/A MacBook Air 13” MC234ZP/A MacBook Air 13” MC503CH/A MacBook Air 13” MC503J/A MacBook Air 13” MC503LL/A MacBook Air 13” MC503TA/A MacBook Air 13” MC503X/A MacBook Air 13” MC503ZP/A MacBook Air 13” MC504J/A MacBook Air 13” MC504LL/A MacBook Air 13” MC504TA/A MacBook Air 13” MC504X/A

Battery serial number code:A1383,020-7149-A,020-7149-A10

Core Advantages

High Capacity

Utilize 100% brand new A grade battery cells. Capacity is higher than that of original battery. Battery Standby time lasts 2 hours above longer than that of original one.

Balder Power Baseboard (PCBA)
  • Balder Power PCBA: Utilize imported ICs, MOS, and other main components, low inner Resistance, mature technological process, high stability, and accurate voltameter.
  • Professional R&D team know well decoding, BQ and other software technology.
Long Cycle life, 100% Battery health
  • Cycle times: 600-800 times which means, if we recharge the battery one time per day it can be used for more than two years.
  • Using all different types of testing software to test the battery the testing result of battery health of our product is 100%
Low-temperature resistance
  • Utilize low-temperature resistance formula of electrolyte for the battery cells. The working temperature: -10 °C-50 °C.Under 0 °C the battery still can work.
  • discharge 90-95% of initial capacity around.
Direct OEM manufacturer

  • Experienced R&D and production management teams, excellent production crafts. High production capacity, fast lead time, stable stock, good technical support, timely products upgrading, best after-sales service.

Long Quality warranty

Defective rate: within 0.1%. 13-month Quality warranty.

Factory Tour

Our Certifications

Related Products

Contact information

Email: info@balderpower.com;

james.zhan@balderpower.com

James Zhan (Mr)–General Manager

Tel/WhatsApp/Wechat:+86-13712040916

Address: Plant 202, Building B, Treasure Island Innovation Industrial Park, No. 120, Jinhe Road, Jinhe Community, Zhangmutou Town

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For supports or any questions:

Email: info@balderpower.com;

james.zhan@balderpower.com

Phone/Whatsapp/Wechat:

+86 13712040916

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DongGuan, China

Plant 202, Building B, Treasure Island Innovation Industrial Park, No. 120, Jinhe Road, Jinhe Community, Zhangmutou Town