Bt synergy
Bt synergy for sale on Ireland's largest auction and classifieds sites
Synergy 6500 replacement - synergy, - £9.99
Synergy 6500 charging • Pod only use - Free postage - New and Used
Synergy 6500 charging • Pod only use - Free postage - New and Used
Aaa rechargeable batteries - 6x, - £7.74
Quantity batteries all • Use very best • Latest battery technology - Free postage - New and Used
Quantity batteries all • Use very best • Latest battery technology - Free postage - New and Used
Synergy 4500 cordless phone - synergy, - £8.00
Synergy 4500 cordless • Phone handsets docking • Station answer machine - Free postage - New and Used
Synergy 4500 cordless • Phone handsets docking • Station answer machine - Free postage - New and Used
Synergy 5500 handset only - bt, - £11.01
Synergy 5500 handset • Only cordless phone • Requested can send - Free postage - New and Used
Synergy 5500 handset • Only cordless phone • Requested can send - Free postage - New and Used
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Synergy 5500 quad cordless - bt, - £21.50
Synergy 5500 quad • Cordless phones are • Set three handsets - Free postage - New and Used
Synergy 5500 quad • Cordless phones are • Set three handsets - Free postage - New and Used
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48 listings · from £2.77 · avg £13.32
⚠️ These listings were last updated more than 108 days ago.
Search for fresh listings
Browse 48 bt synergy listings currently in our index. Prices range from £2.77 to £63.1, with an average of £13.32. Whether you are hunting for a bargain or looking for a top-spec model, the selection below covers all price points — new, used and refurbished. More about bt synergy →
Synergy 5500 twin - bt, - £8.99
Batteries - Free postage - New and Used
Batteries - Free postage - New and Used
Synergy 4500 5100 - bt, - £4.95
Suitable synergy 4500 • 5100 5500 6500 - Free postage - New and Used
Suitable synergy 4500 • 5100 5500 6500 - Free postage - New and Used
Synergy 5500 pack digital - 5500, - £21.47
Cordless phones complete • Set including base • Units electric plugs - Free postage - New and Used
Cordless phones complete • Set including base • Units electric plugs - Free postage - New and Used
Synergy 4500 trio digital - bt, - £23.99
Synergy 4500 trio • Digital cordless phone • System that includes - Free postage - New and Used
Synergy 4500 trio • Digital cordless phone • System that includes - Free postage - New and Used
Synergy 4500 digital - bt, - £5.44
- Free postage - New and Used
- Free postage - New and Used
Synergy 3505 handset plug - synergy, - £10.80
Pictures are actual • Item you will • Receive colour monitors - Free postage - New and Used
Pictures are actual • Item you will • Receive colour monitors - Free postage - New and Used
Synergy 5100 5500 - bt, 5100/5500 - £11.99
Synergy 5100 5500 • Main base power • Adapter condition refurbished - Free postage - New and Used
Synergy 5100 5500 • Main base power • Adapter condition refurbished - Free postage - New and Used
Synergy 5100 replacement - bt, - £9.99
Synergy 5100 main • Base only use • 5500 handsets - Free postage - New and Used
Synergy 5100 main • Base only use • 5500 handsets - Free postage - New and Used
Synergy 6500 replacement - 6500, - £9.99
Replacement handset only • Batteries not included - Free postage - New and Used
Replacement handset only • Batteries not included - Free postage - New and Used
Synergy 5500 digital - bt, - £6.64
Model synergy 5500 • Type handset colour • Black silver ending - Free postage - New and Used
Model synergy 5500 • Type handset colour • Black silver ending - Free postage - New and Used
Synergy 5100 5500 - 5100, / - £6.99
- Free postage - New and Used
- Free postage - New and Used
Synergy 4500 5100 5500 - x, bt - £4.99
Suitable synergy 4500 • 5100 5500 6500 - Free postage - New and Used
Suitable synergy 4500 • 5100 5500 6500 - Free postage - New and Used
Synergy 4500 trio - bt, - £8.36
Model synergy 4500 • Type handset colour • Black product details - Free postage - New and Used
Model synergy 4500 • Type handset colour • Black product details - Free postage - New and Used
Synergy 3100 single dect - bt, - £5.01
- Free postage - New and Used
- Free postage - New and Used
Synergy 4500 trio digital - synergy, - £15.87
Model synergy 4500 • Trio type handset • Product details you - Free postage - New and Used
Model synergy 4500 • Trio type handset • Product details you - Free postage - New and Used
Synergy 4500 digital - bt, - £21.50
Instruction manual can • Easily found searching • Extra handset included - Free postage - New and Used
Instruction manual can • Easily found searching • Extra handset included - Free postage - New and Used
Synergy 5100 5500 - 5100/, 5500/ - £2.99
5100 synergy 5500 • Line cord suitable • Following phones graphite - Free postage - New and Used
5100 synergy 5500 • Line cord suitable • Following phones graphite - Free postage - New and Used
Black synergie 4500 digital - synergie, - £14.11
Call waiting - Free postage - New and Used
Call waiting - Free postage - New and Used
Synergy 4500 digital - synergy, - £8.69
Model synergy 4500 • Type charging base • Adapter - Free postage - New and Used
Model synergy 4500 • Type charging base • Adapter - Free postage - New and Used
Synergy 4500 trio digital - bt, - £25.66
Base units one • Which answering machine • Handsets phone lead - Free postage - New and Used
Base units one • Which answering machine • Handsets phone lead - Free postage - New and Used
Synergy 5100 - , 5500 - £9.99
Synergy 5500 charging • Pod only use • 5100 - Free postage - New and Used
Synergy 5500 charging • Pod only use • 5100 - Free postage - New and Used
Synergy 5500 handsets - , & - £63.10
- Free postage - New and Used
- Free postage - New and Used
Synergy 2150 phone - bt, - £16.15
- Free postage - New and Used
- Free postage - New and Used
Synergy 5500 replacement - bt, - £9.99
Replacement handset only • Batteries not included - Free postage - New and Used
Replacement handset only • Batteries not included - Free postage - New and Used
Synergy 4000 single - 4000, - £8.79
Model synergy 4000 • Type handset colour • Black ending soon - Free postage - New and Used
Model synergy 4000 • Type handset colour • Black ending soon - Free postage - New and Used
Synergy 4500 twin phone - twin, - £13.99
Synergy 4500 twin • Phone digital cordless • Telephone answering machine - Free postage - New and Used
Synergy 4500 twin • Phone digital cordless • Telephone answering machine - Free postage - New and Used
Synergy 6500 telephone - synergy, - £25.00
Synergy 6500 voicemail • Docking base mains • Adapter four handsets - Free postage - New and Used
Synergy 6500 voicemail • Docking base mains • Adapter four handsets - Free postage - New and Used
Synergy 5100 additional - 2x, ,bt - £24.99
This black handset • From unit that • Can added existing - Free postage - New and Used
This black handset • From unit that • Can added existing - Free postage - New and Used
Synergy twin 3505 cordless - synergy, - £8.98
Used expect wear • Tear compatible mains • Power lead included - Free postage - New and Used
Used expect wear • Tear compatible mains • Power lead included - Free postage - New and Used
Synergy 5500 answer machine - answer, - £10.79
This used good • Cosmetic condition battery • Life unknown not - Free postage - New and Used
This used good • Cosmetic condition battery • Life unknown not - Free postage - New and Used
Landline phones verve - –, - £16.68
Verve handsets synergy • 4500 manual you • All have power - Free postage - New and Used
Verve handsets synergy • 4500 manual you • All have power - Free postage - New and Used
Synergy 2110 2120 2150 - 2110, - £4.99
- Free postage - New and Used
- Free postage - New and Used
Synergy 5100 5500 6500 - 5100, - £3.99
- Free postage - New and Used
- Free postage - New and Used
Synergy 4500 pack 3 - bt, - £34.99
Condition very good • Preowned - Free postage - New and Used
Condition very good • Preowned - Free postage - New and Used
Cordless phone power supply - bt, - £9.99
Synergy 6500 base • 5100 • 5500 - Free postage - New and Used
Synergy 6500 base • 5100 • 5500 - Free postage - New and Used
Original adapter digital - original, | - £9.99
Also compatible synergy • 6500 studio 3100 • 3500 2100 2700 - Free postage - New and Used
Also compatible synergy • 6500 studio 3100 • 3500 2100 2700 - Free postage - New and Used
Synergy 4100 075020bs - synergy, sw-075020bs - £14.99
Have been established • Over years synergy • 5500 base bigpockets - Free postage - New and Used
Have been established • Over years synergy • 5500 base bigpockets - Free postage - New and Used
Synergy 5500 handset - 5500, - £9.73
Synergy 5500 handset • Only cordless phone • Used working condition - Free postage - New and Used
Synergy 5500 handset • Only cordless phone • Used working condition - Free postage - New and Used
Synergy 4100 4500 - bt, / - £8.65
Synergy 4100 4500 • Replacement spare add • Base unit black - Free postage - New and Used
Synergy 4100 4500 • Replacement spare add • Base unit black - Free postage - New and Used
Synergy 2110 power - bt, - £2.77
- Free postage - New and Used
- Free postage - New and Used
Synergy 5100 5500 cordless - bt, - £11.86
Sticker residue - Free postage - New and Used
Sticker residue - Free postage - New and Used
Synergy 2110 power - bt, - £12.12
- Free postage - New and Used
- Free postage - New and Used
Synergy 2110 2150 - bt, - £19.99
Synergy handset five • Point test inspect • Carried out item - Free postage - New and Used
Synergy handset five • Point test inspect • Carried out item - Free postage - New and Used
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Everything you need to know about bt synergy
Whether you are looking for a brand-new or second-hand bt synergy, eBay offers one of the largest selections available online. With 48 active listings at the time of this page's last update, you have plenty of choice across different conditions, sellers and price points. The cheapest option currently starts at £2.77, while premium listings can reach £63.1 — giving you a wide budget spread to work with. The average price of £13.32 can serve as a useful benchmark: listings below this tend to be used or auction-style, while those above often include extra accessories, warranties, or are sold by professional sellers with high feedback scores. Always check the seller's feedback rating and return policy before committing to a purchase. If you need the item quickly, filter by "Buy It Now" to avoid the uncertainty of auctions. For used items, look closely at the condition description and photos — terms like "good", "very good" and "like new" can mean very different things depending on the seller.