UNTESTED used Accessory Power™ BG-50D battery grip, which appears to be a copy of Canon's BG-E2 grip for Eos 20D, 30D, 40D and 50D DSLRs Starting at £2.99 plus P&P, £4.00 in the UK, more overseas Ending Sunday 08 Dec, 2019 18:21:10 GMT https://www.ebay.co.uk/itm/133253669026 English-language Instruction manual for Eos 30D, good reading copy Starting at £1.99 plus P&P, £2.70 in the UK, more overseas Ending 08 Dec, 2019 18:25:25 GMT https://www.ebay.co.uk/itm/133254167344