YTS2.1 Optima Yellow Top Dual Purpose Battery – (8018-356) YTS 2.1 AGM

£164.99 Inc VAT

Guaranteed next working day delivery on orders before 1pm


If you`re looking for pure power, then look no further, this is it. The top-of-the-line heavy-duty deep-cycling OPTIMA® YELLOWTOP® battery. Built with SPIRACELL TECHNOLOGY®, this battery is ready to take on whatever you’ve got. And it fights vibration better than any battery out there – it’s up to 15 times more vibration resistant.

OPTIMA’s YELLOWTOP YTS 2.1 lasts up to three times as long as traditional batteries and is guaranteed to deliver uninterrupted power throughout the entire discharge cycle. Its power is cleaner, with higher voltage output than conventional batteries. Its compact design minimises weight and makes it easier to mount in tight spaces. It’s fully sealed and spill-proof, highly resistant to extremes of temperature and can be stored for long periods. And it’s completely maintenance-free.


  • Deep-cycle and cranking power
  • Lasts up to 3 times longer than traditional flat-plate batteries
  • 15 times more resistant to vibration than traditional lead-acid batteries
  • Completely spill-proof
  • Mountable in virtually any position
  • Maintenance-free
  • Faster recharging
  • Optimal starting power
  • 300+ discharge/recharge cycles

Additional information

Weight 9.5 kg



6 Volt

Ah Capacity

55 Ah




255 mm


90 mm

Height (inc. Terminals)

206 mm


1 Year




The Go Batteries Promise

  • Next working day delivery on UK orders *
  • Minimum 12 month guarantee
  • Free telephone support
  • * Guaranteed next working day delivery on orders placed before 1pm. For International and non-standard UK deliveries, please email: or call +44 (0)1926 400080 for delivery options and advice. We`ll always do our best to get orders to you as fast as possible.

NOTE: Delivery costs are calculated based on post code and shown at the checkout stage From £7.99 – Nationwide Delivery (Terms) * For Highlands and Islands and non-standard UK delivery, please call us on +44 (0)1926 400080 for delivery options and advice. We’ll always do our best to get orders to you as fast as possible

Free disposable gloves with all orders


The YELLOWTOP Advantage

OPTIMA Batteries - Frequently Asked Questions

OPTIMA – Frequently Asked Questions