Amazon.com: Streamlight 22104 SL-B26 USB Rechargeable Lithium Ion Battery 3.7V 2600mAh for Streamlight X Series Dual Fuel Flashlights, 2-Pack : Health & Household
Lithium Ion Polymer Battery - 3.7v 1200mAh : ID 258 : $9.95 : Adafruit Industries, Unique & fun DIY electronics and kits
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8-Pack 3.7V 2800mAh CR123A 16340 Rechargeable Batteries for Camera Flashlight - Walmart.com
Accu 18650 6800mah - 3.7v battery for torch, powerbank etc. | eBay
Batterie 3.7v 3000mah 18650, Cellule Rechargeable D'ion De Li De Batteries Rechargeables De Lithium pour La Lampe De Poche 6pcs - Cdiscount Jeux - Jouets
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UltraFire 5000mAh 3.7V 21700 Rechargeable Lithium Battery With Protect
4 x Tenergy RCR123A (16340) 3.7 Volt Lithium Ion Batteries (650 mAh) + 2 Bay Powerizer Smart Charger - Mega Batteries
4pcs Batteries Led 18650 1200mah Li-ion Battery 3.7v Lithium Rechargeable Battery Blue High Capacity For Flashlight - Rechargeable Batteries - AliExpress
14430 750 mAh 3.7 V Li-ion battery Li-ion battery used for LED torch 8 pieces: Amazon.de: DIY & Tools