Reliable Performance: No leak, high cost performance and long service life. PCM protection function: overload protection, short circuit protection, over temperature protection.
3.7v
3.7V 357090 4000mAh Lithium Polymer ion Battery Rechargeable Polymer Battery Pack with JST 2.0mm Connector
Connector Type: PH2.0mm ;Size: 3.5 x 70 x 90mm (T*W*L)
HARDELL Mini Cordless Rotary Tool Kit, 5-Speed and USB Charging with 61 Accessories, Multi-Purpose 3.7V Power Rotary Tool for Sanding, Polishing, Drilling, Etching, Engraving, DIY Crafts
5-Speed SettingsThe cordless rotary tool has 5-speed adjustments (5000/8000/11000/14000/18000RPM) for easier speed control and to meet the power demands of different tasks. This allows for safe and careful sanding in stages, even for beginners who can easily control the speed. With the micro rotary tool, your creations are always handy
CWUU 14500 Rechargeable Battery 3.7V 2500mah High Capacity for Flashlight 240319 (4 Pack)
Important NOTE – This is 14500 rechargeable battery lithium 3.7 volt. NOT AA Battery or AAA Battery. Please confirm whether the battery model required by your device is 14500.