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Sony BP-T31 cordless phone battery

NiCd & NiMH batteries are interchangeable in cordless phones.

Outline Model Type Capacity Price 
BP-T31 Cordless Phone Battery CS-BPT31CL Ni-MH
much longer life than NiCd and does not need to be discharged before recharging.
600mAh
3.6v
No longer available

The above batteries will have different model numbers on the product pages since they are after market replacement batteries which are as good or better than the originals.  The current or mAh (milliamp hour) rating of a battery is an indication of the battery capacity or how long it will last on a charge, the higher the better.

90 day warranty and no questions asked 1 month return policy.

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