I needed a pair of 18650 batteries , and noticed Solarforce had a new battery out ! So the money was pent : And there here .
18.3mm in Diameter at the widest point
http://www.solarforce.hk/index.php?controller=products&action=view&id=94 Link to product page .
http://www.solarforceflashlight-sales.com/product_detail.php?t=BC&s=23&i… $7.50 each + postage [ $2 usually ]
Discharge Test for AMP draw !
Test = Two P60 XM-L flashlights ( 1L and 2L ) measuring current draw to see how capable the batteries are of delivering power.
Solarforce V2 , 4.2A –1L , 4.1A –2L
Marsfire 18650 [ Sanyo ] , 4.3A –1L and 4.3A –2L
Generic Panasonic 3100 with protection , 3.8A –1L and 3.8A –2L
Solarforce V3 battery1 , 4.1A –1L , 4.26A –2L
Solarforce V3 battery2 , 4.7A –1L , 4.57A –2L
The new V3 can certainly deliver the power :
Ive done a 1A discharge , and it resulted in some 2473mAh to 2.7v [
2.7v the over discharge protection kicked in ] 1A
2nd Battery did 2460mAh / Update !
Batt No2 - 2473mAh
Batt No1 – 2460mAh @ 1A
I am currently charging the batteries but will add 2A and 3A discharge results .
2A Discharge …
Batt No2 did 2522mAh to 2.7v [ Protection kicks in at this point ]
OK 3A test ……. FAIL !
One battery did 774mAh
3A, and the other battery did 1086mAh 3A
I will run both again @ 2A and update …
2nd time around @ 2A discharge
Both batteries failed badly at 3A discharge , so cant really give these the thumbs up for high power applications , nor for multi battery set ups .
Up to 2A , in a single light application , they may perform well , who knows .
Some times we get chocolate , some times we dont , this is one of those times , no chocolate !
What we have is a very average battery , I cant condemn it , but at the same time I cant really praise it either as there are better batteries out there for about the same money .