crwdns2936637:0crwdne2936637:0 crwdns2853008:0crwdne2853008:0 crwdns2918746:0crwdne2918746:0

crwdns2933803:03crwdne2933803:0

crwdns2933797:0shinglecrwdnd2933797:0crwdne2933797:0

crwdns2936043:0crwdne2936043:0 crwdns2933505:0crwdne2933505:0 shingle

crwdns2933769:0crwdne2933769:0
crwdns2933771:0crwdne2933771:0
crwdns2933801:0crwdne2933801:0

crwdns2933807:0crwdne2933807:0

-[* black] Apply double-sided tape to the battery and align the anode and cathode of the two batteries.
-[* black] Then solder the anode and cathode of two batteries respectively with soldering iron at 365°C.
+[* black] Apply double-sided tape to the battery and align the anodes and cathodes of the two batteries.
+[* black] Solder together the anode and cathode of each battery with a soldering iron at 365°C.
[* black] Measure the voltage with a multimeter. The voltage is 3.7V.