Custom Li-Ion 18650 Battery: 21.9V 7.8Ah (171Wh, 7A rate, LR1865SK)

Your Price: $187.50

Build to order

Product ID # 6463
Part Number: CU-J581

Lead Time: 5 Business Days / Hazmat handling fee required*

Quantity:

Update	4/7/2025 - Previous component cell INR18650-M26 is discontinued, updated to use LR1865SK cell.
*Important Shipping Regulation	This pack is for testing (prototype) only. It has not been UN38.3 tested yet. Read more...
Battery	Custom 21.9V 7.8Ah Li-Ion Battery pack is made of 18 pcs LR1865SK cells and packed by 6S3P in 3x3x2 configuration 7A PCB locate at front of pack Wrapped by thin Heat shrink tube
Voltage	21.9V (working) 25.2 V ( peak) 16.5V ( cut-off)
Capacity	7.8 Ah
Protection	1 x (6S)7A PCBinstalled with the battery pack to protect the pack from: Over-charge / Over-discharge / Over drain / Short circuits
Terminal	Charge/discharge terminal: 6.0" 18 AWG open end wire
Max. Discharging Rate	7 Amp limited by PCB
Dimensions(Dia x L)	72mm (2.8") x 142mm (5.6")
Weight	840grams (1.0 lbs 13.8Oz)
Smart Tips	You shall choose our 22.2V 1.5A Smart Li-Ion battery charger to recharge this battery pack. The estimated charging time is 6.5 hours Need a connector ? please find one here
Warning	We are not responsible for any damages or losses caused by misuse (including but not limited to: misuse, any changes of this battery pack, mis-assembling battery packs) Please never discharge the battery pack beyond its max. rating Excluded 1 pc Fire Retardant Bag: 295mmx230mmx75mm --- Reduce the chance of damage if caught fire For safety warning please see the link here California residents: Warning: Cancer and Reproductive Harm - See Prop 65 Warnings

Smart Charger (1.5A) for 22.2V Li-ion/Polymer Rechargeable Battery Pack - CE Listed Your Price: From $48.50 to $56.95	Fire Retardant Bag: 300mmx230mm -- Reduce the chance of damage if caught fire Your Price: $19.95	Custom Li-Ion 18650 Battery: 21.6V 3000mAh (64.8Wh, 6A rate, 6S/S, INR18650HG2) Your Price: $166.75
Custom Li-Ion 18650 Battery: 21.81V 3.5Ah (76Wh, 6A rate, 6S/S, INR18650 MJ1) - UN38.3 Passed Your Price: From $186.88 to $189.75	Custom Polymer Li-Ion Battery: 22.2V 4Ah (88.8Wh, 15A rate) with NTC - UN38.3 Passed Your Price: Not for General Resale	Polymer Li-Ion Battery: 22.2V 1050 mAh (23.31Wh, 10A rate) Your Price: $114.94
Custom Li-Ion 18650 Battery: 21.81V 3.5Ah (76.335Wh, 5A rate, 6S/S, INR18650 MJ1) - UN38.3 Passed, IEC62133-2:2017 Your Price: $209.24	Polymer Li-Ion Battery Pack: 22.2V 3650mAh (81Wh, 7A rate, 5545135-2C) (6.57) Your Price: $156.34	Custom Li-Ion 18650 Battery: 21.9V 5.2Ah (114Wh, 7A rate, 2x6S/S, LR1865SK) Your Price: $156.35
Custom Li-Ion 18650 Battery: 21.6V 18Ah (388.8Wh, 30A rate, INR18650HG2) Your Price: Not for General Resale	Li-Ion 18650 Battery: 21.9V 2600mAh (57Wh, 4A rate, 2x3S/S, LR1865SK) Your Price: $95.95	Custom Li-Ion 18650 Battery: 21.81V 3.5Ah (76.335Wh, 6A rate, 6S/S, INR18650 MJ1) - UN38.3 Passed Your Price: Not for general sales

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UN 38.3 Safety Test

We own a national standard UN38.3 testing lab. We can provide UN38.3 test service to our customer.

If you want to set up your own lab, we also provide UN38.3 & IEC62133 equipments and onsite training. Email us for the quote and lead time.

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