Custom UPS Battery Packs – Top Quality Li-ion 18650 Cells with BMS Integration

PERMA Battery Co., Ltd.

Custom UPS battery packs utilize top-quality Li-ion 18650 cells with BMS integration for tailored power solutions....

Battery Storage & UPS PERMA Battery Co., Ltd. 27 Mar 2026 ( )

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Rechargeable 25.9V 13000mAh 18650 Li-ion Battery Packs

Description:
Cell: 18650 from Samsung, LG, Panasonic/Sanyo
Capacity: 13000mAh
Voltage: 25.9V
Battery Pack: 7S5P 25.9V 13AH
Pack: PVC Shrink tube
Prewired: AWG 12# Leading wires(as per customer's requirement)
Weight: 1800g
Specification:
Charging Voltage: 29.4V CC/CV
Maximal continuous charging current: 13A(Recommanded less than 6A)
Over charge protection:
Over charge detection voltage: 4.28V +/- 0.025V
Over charge release voltage: 4.08 +/- 0.025V
Over discharge protection:
Over discharge detection voltage: 3.0V +/- 0.05V
Over discharge release voltage: 3.0V +/- 0.05V
Over Current protection
Short circuit protection:
Exterior Short Circuit and can be automatic recovery
Operating Temperature:
Charging temperature: 0 +/- 45 C degrees
Discharging temperature: -20 +/- 60 C degrees
Storage temperature: -20 +/- 45 C degrees

Applications:

Golf trolleys, Garden equipments, Portable equipments, Wheel chairs, Solar and wind mill units, Medical equipments, Flash units, Portable video/radio, Traffic lights, Street signs, Boats or buoys, Cottage camping, SOS pillars, Toys and hobby applications, Portable equipments for communication, testing, distance measuring, Pump system, Telecommunication backup
Power plants, Burglar alarms, Medical equipments (stationary and portable i.e. X- ray), Computer back-up (high power), Communication systems, Fire alarm systems, Transmitter systems, Cash register systems, Emergency lights signal systems
Telephone systems, Clocks systems, Uninterrupted power supplies, Elevators emergency power supply (skyscrapers), Solar applications, Mobile stations, Airport / runway emergency illumination, Emergency power supply for hospitals, Radar and satellite stations, most powerful LEVs, such as electric bicycles, electric unicycles, electric tricycles, electric scooters, electric boards, electric wheelchairs, Stereo Systems, Boats & RVs, Hydraulic Lifts, Winches, On-board Electronics, Golf carts, Electric resort cars, Marine, Electric utility vehicles, Electric Boats, Solar/Wind Power Systems, Medical application, Electric forklifts, RVs, Scrapers, Electric Sightseeing Cars, Toy Cars, Mini-trucks, The Transportation without Driver, etc.

Technical Specifications

Item	Specifications	Remarks
Update Date	PERMA Battery Co., Ltd.	2026
Lead time	within 30 days	Can be expedited
Material	See product manual	Request Inspection Report
Application	Applicable to multiple industries	Complies with standards
Keywords	Custom,Battery,Quality,Li-ion,Integration,Rechargeable

Procurement suggestions

Custom UPS battery packs using 18650 Li-ion cells require a robust BMS with cell balancing, overcharge/over-discharge protection, and thermal cutoff. Demand test reports on cycle life (>2000 cycles @ 80% DoD) and compliance with UL 2580 or IEC 62133. Ideal for compact, high-efficiency UPS retrofits in space-constrained environments. Avoid packs assembled with reclaimed or mismatched cells—insist on grade-A cells from LG, Samsung, or Panasonic. Request discharge curves at 0.2C and 1C rates to validate runtime claims under actual load conditions. (for reference only)