This product would be ideal for portable electronics, such as cameras or smartphones, that require a reliable energy source and have power requirements up to 3.7V.
803030 3 line 3.7V 700mah 1PCS
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OTOTEC 4PCS Li-ion Battery Capacity Voltage Meter Tester 1S 3.7V 15mA Line Length 14.5cm 40x15x2.7mm Lithium Battery Capacity Indicator Module
CERRXIAN 1M/3.3Ft Solar Battery Plug SAE to Crocodile Clip line, Full Copper Bold SAE Head Turn Red + Black Alligator Clip
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