Manufacturer Sanyo Model 20700B Size 20700 Protection None Top Cap Flat Measurements 20.1mm(W) 70.0mm(H) Weight 62g Maximum Voltage 4.2V Nominal Voltage 3.6V Capacity 4000mAh (4 Ah) Manufacturer Discharge Rate 15A 
Safety, Storage & Disposal
 
Lithium-Ion batteries should never be kept loose in your pocket or purse. Always use the case.
 
Lithium-Ion cells should be charged on a dedicated charger rated specifically for Lithium-Ion cells. Our selection can be found here.
Never leave a battery unattended whilst charging. 
Keep away from animals and children.
Wraps and insulators should be periodically inspected for tears or damage. If a battery has a damaged wrap, it should be repaired or disposed of immediately. Wraps and insulators can be found here
If you are re-selling these cells, it is your duty to pass these warnings onto your customers.
Batteries usually have a cycle life of between 200-500 cycles (varies with manufacturer) before noticeable capacity drop off. Batteries should be recycled at this time.

Note: £12.99 for single battery

Do not crush, incinerate or modify.
Only use within manufacturers specification.