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부품 & 도구

소개

We are going to identify dead cells in battery packs and replace them.

Beware - This tuto is higly experimental, Li-Ion cell present fire / explosion / burn hazards this guide is for educationnal purpose only and should not be reproduced without safety measures. Remember to always wear apropriate PPE and work in appropiate environment.

부품

지정된 부품이 없습니다.

  1. Caution: Lithium-ion batteries can catch fire or explode if they are damaged or short-circuited—especially when they are charged. Be extremely careful not to bend them or short-circuit them with your probes. Battery pack works by putting individual cells in parallel / series. Each cell has a nominal voltage / capacity and they are put together to give the whole battery pack it's global voltage / capacity. Here we have a 3s2p battery pack. This means that you have 3 serial attached blocks of 2 parallel cells.
    • Caution: Lithium-ion batteries can catch fire or explode if they are damaged or short-circuited—especially when they are charged. Be extremely careful not to bend them or short-circuit them with your probes.

    • Battery pack works by putting individual cells in parallel / series. Each cell has a nominal voltage / capacity and they are put together to give the whole battery pack it's global voltage / capacity.

    • Here we have a 3s2p battery pack. This means that you have 3 serial attached blocks of 2 parallel cells.

    • The lefmost block seems dead, the cells reads a steady 0 volts on my multimeter.

    • The 2 other block show ~3.6 V which means they are still alive, great !

    • I haven't tested individual cells from the 2 working blocks for a good reason. This battery pack has been stored for several monthes, if only one cell in the block was dead, the other (good) one would have discharged in it until it also dies ( which is what must have happen in dead block )

  2. LCD iPhone 스크린 수리 키트

    평생 품질 보증이 적용되는 저렴한 옵션.

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    LCD iPhone 스크린 수리 키트

    수리의 질 말고 비용을 절감하세요.

    키트 쇼핑하기
  3. Here I have 2 scrap 18650 cells form another dead battery pack. They are still charged but I have no fear has the battery electronics will balance the charge levels later. After this step, reassemble the pack and everything should be fine.
    • Here I have 2 scrap 18650 cells form another dead battery pack. They are still charged but I have no fear has the battery electronics will balance the charge levels later.

    • After this step, reassemble the pack and everything should be fine.

    • Remember that this a dirty fix and you should consider the repaired battery pack as NOT SAFE

결론

Pour réassembler votre appareil, suivez les instructions dans l'ordre inverse.

다른 18명이 해당 안내서를 완성하였습니다.

Damien Leflon

회원 가입일: 2015년 12월 27일

547 평판

안내서 1개 작성함

Salut, je pense changer toutes les cells dans ma batterie de laptop morte. J’ai actuellemt 6 x Samsung 26H. Est ce que je peux installer plus puissant ? Des LG HG2 18650 3.7v 3000mAh 20A High Drain Flat Top par exemple ? pour augmenter en duree et de vie de la batterie de mon laptop. Merci.

Red B - 답글

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