3.7 v 500MAH lithium battery

Nitecore NL1485 14500 Rechargeable Lithium-Ion Battery (3.7V, 850mAh, 3.15Wh)

Nitecore 14500 Rechargeable Lithium-ion Battery (3.7v, 1000mah)

Jupio NP-40 /Klic-7005/D-Li95/D-Li8 /SLB-0737/SLB-0837 Lithium-Ion Battery Pack (3.7V, 750mAh)

Eartec LX950LI 3.7V 950 mAH Lithium Polymer Battery

Eartec 3.7V 3Wh Rechargeable Lithium Battery for UltraLITE, HUB & EPak Systems

Saramonic WITALK-BP Rechargeable Lithium-Ion Battery for WiTalk (3.7V, 1200mAh)

Jupio NP-85 Lithium-Ion Battery Pack (3.7V, 1700mAh)

SPERAS 18650 Rechargeable 3.7V 2600mAh Lithium Battery with Micro USB Port

Rechargeable Lithium 3.7V 700mAh RCR123A 16340 Battery 4 Pack

Nitecore NL1410 14500 RECHARGEABLE LITHIUM-ION BATTERY (3.7V 1000mAh)

Makeblock P3090003 Lithium Battery for mBot 3.7V 1800mAh 103450PL