China Automobile Lithium Battery,Lithium Starter Batteries
Characteristics of LiFePO4 starter batteries: China supply for Automobile Lithium Battery,Lithium ion Sli Battery, Car Lithium Starter Batteries,Lithium ion Car Battery Manufacturer Starlight Power Industrial Company Limited , https://www.starlite-power.com
STM32F103 pin function configuration, pin function as shown below: 
1. High-security LiFePO4 battery is the safest type of all Lithium-Ion Batteries, will not burn and explode under any extreme situation.
2. High stability. It has a long time and stable performance, low self-discharge.No loss after a long time leaves unused.
3. Ultra-long life. It has over 2000 times of cycle life. Designed life can be 8 to 10 years.
4. Ultra-strong starting ability. The instant starting current can reach 80C.
5. Long time maintenance-free. No capacity loss after a long time leaves unused. Even after 2 years without maintenance, it can start vehicles.
6. Good low temperature starting ability, even at -20ºC temperature it can easily start vehicles.
7. Compatible with an electric circuit of lead-acid batteries. It can replace any type of lead-acid battery and can be recharged by any lead-acid battery chargers.
8. Environment-friendly. No containing any lead material, sulfuric acid.
STM32F103 package mainly includes LQFP48, LQFP100, LQFP64, VFQFPN36, BGA100