לחלל ממסר מתאים 3.7 v battery הכין איש שלג ליטר טיל
Lithium-Poly Battery (3.7V)
All you need to know about the 3.7V lithium ion battery-Tycorun Batteries
Amazon.com: HXJNLDC DC 3.7V 2600mAh 903759 Rechargeable Lithium Polymer Replacement Battery for DIY 3.7-5V Electronic Product, Mobile Energy Storage Power Supply : Electronics