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Thread: Sanyo 2700 Ni-MH batteries

  1. #1

    Default Sanyo 2700 Ni-MH batteries

    Sanyo announced these back in November. They are not yet available in Singapore from what I can tell. Anyone have an update?

    "By utilizing SANYO’s proprietary technology and further developing material along with precise battery design, improved battery capacity compared to SANYO’s AA sized Ni-MH 2500 series and AAA sized Ni-MH 900 series. The products are named ‘Ni-MH 2700 series’ and ‘Ni-MH 1000 series’ because they hold nominal capacity of 2700mAh and 1000mAh based on charge/discharge levels as established by JIS C8708 2004(4.2.1)."
    Last edited by r52lanc; 6th February 2006 at 09:00 PM.

  2. #2
    Senior Member wrx_sti_22b's Avatar
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    Default Re: Sanyo 2700 Ni-MH batteries

    Currently the most powerful AA Ni-Mh are these at 2800mAh.



    I believe this is a Sanyo & Tamiya joint venture.
    From Pentax to 4/3, back to Pentax and then back to M4/3 !?!?

  3. #3

    Default Re: Sanyo 2700 Ni-MH batteries

    Yes, but are they available in Singapore?

    I saw GP 2600 and GP 2700 Ni-MH batteries for sale in Mustafa last week (2 for $12). A bit steep but they claim 1,000 cycles. The Sanyo's should be out soon.

    BTW, whomever did the Tamiya battery's cover design should be fired immediately! So ugly!


    Quote Originally Posted by wrx_sti_22b
    Currently the most powerful AA Ni-Mh are these at 2800mAh.



    I believe this is a Sanyo & Tamiya joint venture.

  4. #4
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    Default Re: Sanyo 2700 Ni-MH batteries

    They are out in Japan already with the new Eneloop batts.

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    Default Re: Sanyo 2700 Ni-MH batteries

    Quote Originally Posted by r52lanc
    BTW, whomever did the Tamiya battery's cover design should be fired immediately! So ugly!
    For old guys who built Tamiya toys at teenage years, the Tamiya double-star logo is very cute lah!

  6. #6

    Default Re: Sanyo 2700 Ni-MH batteries

    Quote Originally Posted by TMC
    They are out in Japan already with the new Eneloop batts.
    Have you tried out the new Eneloop?

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    Senior Member denniskee's Avatar
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    Default Re: Sanyo 2700 Ni-MH batteries

    noi dont understand, eneloop states the self discharge is very low. how does this affect the usage? i thought amp capacity is the only factor under the assumption that the rechargable battery does not have self discharge problem like the sanyo 2500mAh (old batch).
    photography makes one sees things from all angles.

  8. #8

    Default Re: Sanyo 2700 Ni-MH batteries

    Quote Originally Posted by wrx_sti_22b
    Currently the most powerful AA Ni-Mh are these at 2800mAh.



    I believe this is a Sanyo & Tamiya joint venture.
    I believe these probably have quite a high self-discharge because Tamiya hobbyists usually charge their batteries immediately before use anyway.

  9. #9
    Senior Member wrx_sti_22b's Avatar
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    Default Re: Sanyo 2700 Ni-MH batteries

    Quote Originally Posted by r52lanc
    Yes, but are they available in Singapore?
    I using them... lasts a long time... Cost me abt $16 for a pack of 4.
    From Pentax to 4/3, back to Pentax and then back to M4/3 !?!?

  10. #10

    Default Re: Sanyo 2700 Ni-MH batteries

    Quote Originally Posted by wrx_sti_22b
    I using them... lasts a long time... Cost me abt $16 for a pack of 4.
    How is the self discharge? If they are not too bad, I would like to consider these also.

  11. #11
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    Default Re: Sanyo 2700 Ni-MH batteries

    Quote Originally Posted by wrx_sti_22b
    I using them... lasts a long time... Cost me abt $16 for a pack of 4.
    and please let us know where in singapore can we find it.
    Sony Alpha 700 hobbyist

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    Default Re: Sanyo 2700 Ni-MH batteries

    Unused and charged, regular rechargeable AAs lose their entire charge over a 1 year period. Eneloops are supposed to be able to hold at least 85% of their charge only over the same period when left unused.

    Better performance in colder temperatures, but I dun think that matters to SGreans.

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    Default Re: Sanyo 2700 Ni-MH batteries

    Quote Originally Posted by wrx_sti_22b
    Currently the most powerful AA Ni-Mh are these at 2800mAh.



    I believe this is a Sanyo & Tamiya joint venture.
    Can tell me where to buy these cute Tamiya AA? i like them.

  14. #14
    Senior Member wrx_sti_22b's Avatar
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    Default Re: Sanyo 2700 Ni-MH batteries

    Quote Originally Posted by zcf
    and please let us know where in singapore can we find it.
    I bought them from Ebay since last year... I am not sure if local Tamiya 'Boutique', by a company called Stargek in Paya Lebar have a not...

    StarGek Pte Ltd
    Address: 178 Paya Lebar Road #01-03
    Singapore 409030
    Tel: 6746 2168
    Fax: 67464678
    email: cust.svc@stargek.com
    From Pentax to 4/3, back to Pentax and then back to M4/3 !?!?

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    Default Re: Sanyo 2700 Ni-MH batteries

    thanks.
    Sony Alpha 700 hobbyist

  16. #16

    Default Re: Sanyo 2700 Ni-MH batteries

    Quote Originally Posted by denniskee
    noi dont understand, eneloop states the self discharge is very low. how does this affect the usage? i thought amp capacity is the only factor under the assumption that the rechargable battery does not have self discharge problem like the sanyo 2500mAh (old batch).

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    Default Re: Sanyo 2700 Ni-MH batteries

    Quote Originally Posted by TMC
    Unused and charged, regular rechargeable AAs lose their entire charge over a 1 year period. Eneloops are supposed to be able to hold at least 85% of their charge only over the same period when left unused.

    Better performance in colder temperatures, but I dun think that matters to SGreans.
    store in fridge (not freezer) or wine chiller to simulate the cool climate? I read about this method over the net but never really tried it. Another conflicting info I read is that cold temperature brings batt powers down.. so what's right? and what's not?
    “How fortunate for leaders that men do not think.” - Adolf Hitler

  18. #18

    Default Re: Sanyo 2700 Ni-MH batteries

    Quote Originally Posted by yanyewkay
    store in fridge (not freezer) or wine chiller to simulate the cool climate? I read about this method over the net but never really tried it. Another conflicting info I read is that cold temperature brings batt powers down.. so what's right? and what's not?
    No contradiction here.

    Lower temps will slow down the chemical processes.
    Hence lower temps are beneficial for storage(to slow self-discharge), but detrimental during usage(lesser charge available due to reduced reactions).

  19. #19
    Senior Member denniskee's Avatar
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    Default Re: Sanyo 2700 Ni-MH batteries

    Quote Originally Posted by TMC
    Unused and charged, regular rechargeable AAs lose their entire charge over a 1 year period. Eneloops are supposed to be able to hold at least 85% of their charge only over the same period when left unused.

    Better performance in colder temperatures, but I dun think that matters to SGreans.
    so does it means that it is not going out perform those rated at 2500mAh and higher with condition that there is no problem with the battery and it is performing as it should be?

    i am asking this because some statement here seems to tell the reverse (given my limit english). or it is just me misunderstanding the statement?
    photography makes one sees things from all angles.

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    Default Re: Sanyo 2700 Ni-MH batteries

    Current eneloops are only at 2000mAh. IIRC. They are so confident about the extremely low self discharge rate, that they are selling them charged. so you can use them directly then recharge them later.

    In cold weather, near or sub zero degree weather, the eneloops should perform better than than their 2100mAh counterparts. 2500 and 2700s I am not sure how they will fare.

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