 
| ITEM | Specifications | 
| Capacity | 300mAh or custom | 
| Nornimal Voltage | 3.7V | 
| Battery Size | 4.5*25*30(mm) | 
| Discharge rate | 25C | 
| Oem | available | 
| Advantage | low self-discharge/no memory effect/eco-friendly | 
| Charge operating temperature | 0°C~45°C | 
| Discharge operating temperature | -10°C~60°C | 
| Charging time | 1 Hour | 
| Operating temperature | Charge : 0 to 50 | 
| (surface temperature) | (recommended recharge release < 45°C) | 
| Discharge: -20 to 75 | |
| (recommended re-discharge release < 60°C) | |
| Storage temperature | 1.5 year -30~25°C(1*) | 
| (Recovery 90% after storage) | 3 months -30~45°C(1*) | 
| 1 month -30~60°C(1*) | 
 
 
 
 
 
 
 
FAQ:
1,Q: What's the main product in Tcbest?
A: Dry battery and Rechargeable LiFePO4 battery, Li-ion, Lipo battery and power battery pack.
2,Q: Do you have any protection for battery pack?
A: Over-charge protection
    Over-discharge protection
    Over current protection
    Cell balancing function
    Over temperature protection
3,Q: What is over discharge?
A: After charge, test the batteries' initial state. When the batteries are normal, discharge to 0V at 0.5C. Observe changes in battery appearance
4. Q: Can I have a sample order?
A: Yes, we accept sample order to test and check quality. Batteries can be made as require.
5. Q: Do you have MOQ limit?
A: Yes, we have MOQ limit for mass production, but it depends on battery model. Please contact us for details.
6. Q: How about the lead time?
A: Samples will takes 5-7 business days. Mass production will takes 25-30 days. It depends on quantity.
7. Q: How about shipping and delivery time?
A: Generally, battery will be shipped via Express, such as DHL, TNT, FedEx and UPS, delivery time is 3-5 business days. Or DDP service, delivery time is 11-15 business days. Airline and sea shipping also available.
8. Q: What about after-sale service?
A: We will offer you 1-5 year guarantee. If there are any problems, please inform us, we will offer you positive solutions.