Samsung 40T Battery 21700 4000mAh

£9.99

As one of the top-performing 21700 batteries from Samsung, the 40T (INR21700-40T) offers 4,000mAh in capacity with a 35A maximum continuous discharge.

REMEMBER BATTERY SAFETY!
Do not overcharge or over-discharge.
Do not short circuit your batteries.

Do not let your batteries touch each other or other metallic items. 
Do not dispose any battery in a fire.