Is it me or is the description off?
Serpent Battery-set 5-cell 900mA NEW S-705-835-710. Complete pre made battery pack - Comes complete with plug - The pack contains 5 730Mah AAA batteries - Suitable for the Serpent 705 and 710 and 835.
801173
It says it's 900mAh, but later it says it contains 5 730mAh AAA batteries.