Lithium Battery 18650 24V 40AH Long Cycle Life 24v 40ah Lithium ion Battery Pack 18650 3.7v Cylindrical li-ion Cell

2020-08-14 06:14

Battery typeRechargeable l8650 battery cell
Nominal voltage24V
Charge voltage29.4V
Nominal capacity40Ah
Battery configation7S16P
Standard charge current8A
Max charge current40A
Continuous discharge current40A
Discharge cut off voltage19.25V
Net weight6KG
Lifecycle500 times
Warranty12 months
Charge temperature0~45°C
Discharge temperature-20~60°C
Charge methodCC/CV


1.Telecommunications,Audio&video evices, laptop, GPS, POSmachines , E-Bike, EV, GPS, POS machines, smart robot, miner lamps, etc
2.Custom instrumentation lithium battery pack: flaw detector, high-speed rail track detector, mapping device, detector, hunt, etc.
4.Customized medical equipment lithium battery pack: B-machine, ECG machine, monitor, ventilator, anesthesia machine, infusion pump, etc.
5.Customized Smart Robot: Industrial Robot, Service Robot, Educational Robot, Clean Robot, Entertainment Robot Lithium Battery Pack
6.Customized financial equipment Lithium battery pack: POS machine, mobile payment, micro printer, bar code scanner, miniature projector, etc.
7.Custom energy storage lithium battery pack: solar, wind, electricity, communications, UPS, backup power, AGV, yachts, etc.
8.Custom portable power: mobile power, solar charger, thin film solar package, outdoor portable power, etc.


  • Do not submerge the battery in the water.
  • Do not mix fresh batteries with used batteries.
  • Do not mix batteries with metal stuff together.
  • Do not insert batteries with the (+) and (-) reversed.
  • Do not use Efest batteries with defective E-cig mods.
  • Do not disassemble, dispose in fire, heat or short circuit.
  • Do not put the battery in a charger or equipment with wrong terminals connected.


1. Q: Do you have current sample in stock?

     A: It sepends on your requirement, because different customers have different requests, even the voltage and capacity are the same, other parameters maybe different. But we could finish your sample quickly once order confirmed.

2. Q: What kind of certificates could you provide for the battery?

     A: It’s custom-making design, no current certificate, but we could apply CEUN38.3 and other related certificates for you, but the certificates fee needs to be paid by you, if your quantity is big enough, certificates fee could be refunded.

3. Q: Do you accept customize the any battery size we need?

     A: Yes, usually the MOQ is 5K pcs.

4. Q: Are you manufacturer or trading company?

A: We are manufacturer, and we sincerely welcome you to visit our factory!

5. Q: What's the warranty of your product?

A: One year

Note: We are a battery manufacturer. All products do not support retail, we only do B2B business.please contact us for product prices!