TC3748 3.7v 4.8ah li polymer battery

3.7v 4.8ah li polymer battery

One product the manufacturer of lithium-ion batteries often recommends to customers is the 3.7v 4.8ah li polymer battery, because it is very durable, and it is the kind of li polymer batterythat can meet all the customer’s battery needs. It can easily discharge up to 80% and has no memory effect, so it can be charged and discharged at will. Compared with lead-acid batteries, the cycle times of 3.7v 4.8ah li polymer battery can reach more than 3,000 times. At the same time, li polymer battery is small in size and light in weight, only one third of the weight of lead-acid batteries of the same specification, so it is very easy to use.


Item 3.7V 4.8Ah
Series 1
Parallel 1
Rated voltage 3.7V
Nominal capacity 4800mAh
Size 76.7*52.7*11.2
Internal Resistance ≤135mΩ
Weight 50g
Rated Charge Current 0.96A
Max Charge Current Max 2.4A
Rated Discharge Current 0.96A
Max Discharge Current Max 2.4A
Current for Overcurrent Protection 5-10A
Limited charge voltage 4.2V
Discharge Cut-Off Voltage 3V
Cycle Life 0.2C charge 1C discharge conditions, 300 times ≥ 70% initial capacity
Charging/Discharge Temperature 10~+40℃/-20~+60℃
Storage Temperature -10℃~+35℃ better not longer than 6-month
Temperature Protection no
Certification GB31241-2014(CQC),UL2054,un38.3,KC,MSDS,RoHS,Halogenfree,CE,UL60950,RCM,PSE,BIS,REACH,Parts certification, Battery directive, Other

Company Profile

lithium ion battery manufacturing SGS
lithium ion battery manufacturing SGS
lithium ion battery factory SGS
lithium ion battery factory SGS


Q1. Can I have a sample 3.7v 4.8ah li polymer battery order?
A. Yes, we welcome sample order to test and check quality.

Q2. What about the lead time?
A. Sample needs 5-10 days, mass production time needs 3-5 weeks, it depends on order quantity.

Q3. Do you have any MOQ limit?
A. Yes, we have MOQ for mass production, it depends on the different part numbers. 1~10pcs sample order is available. Low MOQ, 1pc for sample checking is available.

Q4. How do you ship the 3.7v 4.8ah li polymer battery and how long does it take to arrive?
A. We usually ship by DHL, UPS, FedEx or TNT. It usually takes 3-5 days to arrive. Airline and sea shipping is also optional.

Q5. How to proceed with an order?
A. Firstly let us know your requirements or application. Secondly, We quote according to your requirements or our suggestions.Thirdly customer confirms the samples and places a deposit for formal order. Fourthly We arrange the production.

Q6. Is it OK to print my logo on the li polymer batteryproduct?
A. Yes. Please inform us formally before our production and confirm the design firstly based on our sample.

Q7. How about cycles life and warranty of your battery?
All of batteries are 2000 cycles life beyond 80% DOD. with 2 years warranty.



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