Aspire 21700 4000mAh 40A Battery
- Size: 21700 (21mm diameter x 70mm long)
- Type: Li-ion INR (Rechargeable)
- Rated Capacity: 4000mAh
- Max Discharge Current (Continuous): View Chart
- Max Discharge Current (Pulse): View Chart
- Voltage: 3.7V
- Protected: No
- Style: Flat Top
- Rated storage temperature: 20-60℃
-Battery safety is very important. Mistreated batteries can get extremely hot and/or vent which could cause injury. Always follow the following rules to make sure this doesn't happen. We are not liable for misuse of or for mistreated batteries.
-Never completely discharge batteries (below 2.5V under load or 3V unloaded).
-Charge fully (to 4.2V) before first use.
-Never use force to install the battery.
-Use only high quality Battery Chargers.
-Do not expose to heat.
-Do not connect the positive contact to the negative contact without an appropriate load.
-Be mindful of the current limits in the specifications of the battery and never exceed them.
-Never keep a spare battery loose in a pocket, purse, etc. Always use protective cases for loose batteries. If it shorts against a piece of metal such as keys or coins it can be very dangerous.
-Never charge battery 4.3V or above.
-Do not leave unattended while charging.
-Do not store your Li-ion batteries fully charged for an extended period of time (weeks or more)
-If you must store battery then do it in a case or individual box in cool and dry place at approximately 3.6V - 3.7V.
-Never try to charge or discharge Li-ion batteries with Battery Chargers that are not specifically made for Li-ion batteries.