26700 Batteries Sodium ion 3300mAh

SKU: Sodium-26700-3300mAh

Original price was: $2.99.Current price is: $1.59.

47% Off

  • Comprehensive Door-to-Door Shipping Solutions.
  • International Seafreight to Destination Port. (Port of Discharge)
  • Air Freight, DDP(Delivered Duty Paid): 14~21 days, door-to-door.
  • Ocean Freight, FCA/FOB/CIF: Vary from 20 to 50 days depends on port of destination, port-to-port.
  • 12~36 Months Limited Warranty. (Excluding accident, misuse, abuse, neglect, unauthorized repairs or alterations, or normal wear and tear.)
1. Are lithium batteries considered hazmat for shipping?

Yes. Lithium batteries are classified as Class 9 Miscellaneous Dangerous Goods under international and national transportation regulations (such as the IATA DGR for air transport).
They are considered hazardous material (“hazmat”) for shipping because they pose a risk of:

  • Short Circuit: Which can lead to overheating.
  • Fire: If damaged, defective, or improperly packaged, they can catch fire.
  • Explosion: A fire can lead to a rapid release of energy.

Consequently, their shipment is strictly governed by specific packaging, labeling, documentation, and quantity restrictions based on the mode of transport (air, sea, ground).

2. Why is the shipping cost for lithium batteries higher?

Shipping costs for lithium batteries are high due to the significant risks and specialized handling they require.

The primary reasons are:

  • Hazardous Material (Dangerous Goods) Surcharges: Carriers add substantial fees to manage the inherent fire risk of lithium batteries.
  • Specialized Packaging: Mandatory use of non-conductive, fire-retardant, and damage-resistant packaging to prevent short circuits and thermal events.
  • Regulatory Compliance: Costs associated with required dangerous goods training, certified documentation, and specific labeling for each package.
  • Limited Carrier Options & Segregation: Fewer carriers accept lithium batteries, and they often must be stored separately, adding logistical complexity.

In short, the high cost directly reflects the safety measures needed to mitigate the risk of fire during transit.

In stock

26700 Batteries Sodium ion 3300mAh Specs.
Technical Specs.
Nominal Capacity3300mAh @0.5C
Typical Capacity3350mAh @0.5C
Battery ChemistrySodium ion Battery
Energy Density127Wh/Kg
Nominal Voltage3.1V
Charge Voltage3.95±0.05V
Discharge Cut-off Voltage1.5±0.05V
Impedance≤20mΩ
Max. Continuous Charging Rate≤0.2C @-10℃~0℃
≤1.0C @0℃~45℃
Max. Continuous Discharge Rate≤0.2C @-30℃~0℃
≤3.0C @0℃~45℃
≤0.5C @45℃~60℃
Max. Constant Charge CurrentConstant Current 1.0C
Constant Voltage 3.95V
0.05C Cut-off
Max. Contant Discharge CurrentConstant Current 3.0C
Constant Voltage 1.5V
Cycle Life≥2000 Cycles
Temp. Specs.
Charge Operating Temp.-10℃~45℃
Discharge Operating Temp.-30℃~60℃
Storage Temp.-20℃~40℃
Mechanical Specs.
Cell Weight82.0±0.5g
Cell Dimensionφ26.4±0.1mm*71.0±0.1mm
Other Specs.
CertificatesUN38.3/MSDS/CE,etc.
26700 Battery Cell Holder

26700 battery cell holder 26700 Battery Cell Holder Dimension

26700 battery cell holder dimension 26700 Battery Holder

26700 battery holder
Sodium ion Battery BMS

sodium ion battery bms

Sodium ion Battery BMS Wiring Diagram

1, Start from the black balance wire, to connect it to the negative (B- as shown) of a sodium ion battery pack.
2, Then connect the first red balance wire that's next to the black one to the positive of the first series of the sodium battery pack.
3, Connect the second red balance wire to the positive of the second series fo the na ion batery pack, and so on, to the last red balance wire to the positive of the na battery pack (B+ as shown).
4, Use a multimeter to check each balance port and make sure each cell's voltage is correct.
5, If everything is correct, put the balance plug in the port of the BMS.

sodium ion battery bms wiring diagram

Sodium ion Battery BMS Parameter

sodium ion battery bms parameter
Sodium ion Battery Chargers

There are several models available, for your reference, the most used models are listed here, including 24V 5A, 36V 5A, 48V 5A, 60V 5A, and 72V 5A.
sodium ion battery chargers

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