18.5V 8800mAh 5S4P 18650 Lithium Battery

  • High energy density of 18650 lithium battery
  • Battery life cycle more than 500 cycles
  • Enhanced Protection Board and Custom Wire available
  • Strict testing to ensure the quality of all lithium batteries
  • The battery capacity is 30% higher than lead-acid batteries
  • The minimum order is 100 pcs, and delivery time is only 3 days

18.5V 8800mAh 5s4p 18650 Rechargeable Lithium Battery 

18650 Lithium ion batteries are relative light and powerful rechargeable batteries. Our lithium battery output ranges from 21V when completely charged down to 13.75V(standard).

All of our 18650 battery packs come with or without pre-attached any connector like JST,XH,SH, NTC functions optional, as well as necessary protection circuitry.

Cell Type: 18650 Cylindrical Lithium Battery
Nominal Voltage(V): 18.5V
Charging Voltage(V):21V
Discharging End Voltage:13.75V
Nominal Capacity(mAh): 8800mAh
Standard Charge Current: 0.2C/0.5C
Standard Discharging Current: 0.2C/0.5C/1C/2C
Max Discharge Current: 1C/2C/3C (can be continuous)
Charge Temperature(℃): 0~55℃
Discharge Temperature(℃): -20~65 ℃
Storage Temperature(℃): -20~45 ℃
Impedance: <40mΩ
Weight: 1000g
Lifetime: 800 cycles

Battery  Dimension: 110*80*70 mm (By Thickness*Width*Length):
Cable Length (Default): 100mm

Standard battery comes with PCM and wire and connector.

PCM Details:
Standarded PCM: protect the lipo battery from overcharging, over-discharging,short-circuit and reverse polarity.

Over Charge Protection
Over charge detection voltage: 21.4±0.05V
Over charge detection delay time: 1.0±0.3S
Over charge release voltage: 20.8±0.05V
Over discharge protection
Over discharge detection voltage:11.5±0.1V
Over discharge detection delay time:125±6.0mS
Over discharge release voltage:12.0±0.075V
Over current protection
Over current detection voltage:12.6±0.015V
Over current detection current: 3.0~6.0A
Detection delay time:12±4.0mS
Release condition: Cut load
Short Circuit Protection
Detection condition: Exterior short circuit
Detection delay time: 230~500uS
Release condition: Cut short circuit
Interior resistance
Main loop electrify resistance: VC=21V;RSS≤70mΩ
Current Consumption
Current consume in normal operation: 4.0μA Type 8.0μA Max

Connector Types:

JST, Molex, Hirose etc






Q: How do we place an sample order?
A: Please kindly send us your lithium battery requirement
1 Battery dimension
2 Battery capacity
3 Battery discharging current
4 Potential bulk order quantity
and we will find the most suitable solution for you, you can then pay us by PayPal or Credit card.

Q: What is your MOQ?
A: 50 PCS per design.

Q: What’s the delivery time?
A: The delivery time is 7-15 days after your payment.
Below is timeline for your refrencer

USA: 5-8 days
EU/UK: 7-10 days
AU/New Zealand: 5-8 days
Canada: 15days
Japan/Korea/Singapore/Malaysia: 3-4 days

Q: How would the lithium batteries be shipped?
A: We ship via UPS, DHL, FedEx for urgent orders, and most of our clients would choose to ship by air and local Fedex or UPS to save cost .

Q: Can I track my shipment?
A: Yes, we will send you the tracking No. after the lithium battery order is shipped.

Q: Can you make customized lithium battery?
A: Yes, we can custom lithium battery as per your design. Mainly like follows
1 Custom battery dimension
2 Custom battery capacity
3 Custom battery discharging current(up to 20C)
4 Custom battery PCM, like NTC or other features
5 Custom battery discharging temerature as lower as -60°C
6 Custom lithium battery shape

Q: What is the lead time for mass production?
A: It depends on the actual situation: if with stock, the lead time will be 7~10 days.
If without stock, that will depend on your order quantity, usually within 15-30 days.

Q: Is there any warranty or after-sales service?
A: 15 months warranty against defective lithium batteries,starting from shipping date.

Q: Can you explain more on how would you warranty your lithium Battery?
A: For each lithium battery shipment, we have SN or production number with it, once defective within 15 months, we will send new replacement or refund for the defective part.

Q: How do we make the payment?
A: We accept T/T, Western Union, PayPal, if you prefer other payment, please contact us.

Q: Can we get some lithium Battery samples for test?
A: Sure, we can make lithium Battery Samples for you.

Q: Can your factory print our logo/brand on the lithium battery?
A: Yes, and we will do this free of charge.

Additional information



Nominal Voltage


Charging Voltage


Nominal Capacity


Charging Current


Discharging Current

0.2C/0.5C Or 1C max





Connector Type

JST/Molex etc or Flying leads

Wire Gauge

AWG 16-26, 100mm default

Operating Temperature

Charge: 0°C ~ 45°C, Discharge: -20°C ~ 60°C

Storage Temperature

-20°C ~ 45°C


100pcs per model

There are no reviews yet.

Be the first to review “18.5V 8800mAh 5S4P 18650 Lithium Battery”

Your email address will not be published. Required fields are marked *


Questions and answers of the customers

There are no questions yet, be the first to ask something for this product.