F Size 1.2V 12000-15000mAh Ni-MH Battery

Factory Direct Custom High-Capacity Cells for Backup Power/Industrial Devices

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1.2V DC nominal voltage, stable continuous discharge, fully compatible with standard F-sized devices and battery packs.
12000-15000mAh true rated capacity, designed for high-drain scenarios requiring long runtime.
No obvious memory effect, supports on-demand charging without capacity loss or lifespan reduction.
Low self-discharge: ≥70% charge retention at 20℃ for 12 months, ready for immediate use.
≥1000 cycles (0.5C charge/discharge), durable for long-term commercial and industrial use.
Leak-proof, non-toxic, safe for high-power devices; equipped with soldering tabs for easy battery pack assembly.

Strict QC: internal resistance <50mΩ, ≤8% capacity attenuation after 500 cycles, 100% pre-delivery inspection.
Customizable (capacity, casing, packaging, tabs); full export certificates (MSDS/CE/CB/KC/UL/UN38.3) available.
12000-15000mAh wide capacity range, meeting diverse high-drain, long-run power needs.
Eco & cost-efficient: reusable, reduces waste, compliant with global environmental standards.

Commercial & Industrial: Solar lighting systems, emergency power supplies, medical device backups, industrial sensors.
Power Equipment: High-power audio, battery packs, large emergency lighting, RC heavy-duty vehicles.
Specialized Devices: Educational electronics, large toy robots, portable industrial tools, communication backup power.
Others: Custom battery assemblies, outdoor emergency devices, high-capacity household appliances.

Item	Specification
Battery Type	F Size (Type F) 1.2V Ni-MH Rechargeable
Nominal Voltage	1.2V DC
Nominal Capacity	12000-15000mAh (optional)
Standard Charging	0.1C, 16h (1200-1500mA, matching capacity)
Fast Charging	0.3C, 6h (3600-4500mA, matching capacity)
Trickle Charging Current	0.03C-0.05C (matching capacity)
Discharge Cut-off Voltage	1.0V DC
Internal Resistance	<50 mΩ
Dimensions	32.3±0.2mm (D) × 89.0±0.5mm (H) (standard F size)
Weight	220-240g (with casing, varies by capacity)
Cycle Life	≥1000 cycles (0.5C charge/discharge, 20℃)
Operating Temp	Charging: -10~60℃; Discharging: -20~70℃ (customizable)
Storage Temp	-20~45℃ (20%~80% RH)
Certifications	ROHS, REACH, CE, CB, KC, UL, UN38.3, ISO9001, ISO14001; MSDS available

F Size (Type F) 1.2V Ni-MH rechargeable batteries, 12000-15000mAh high-capacity range, factory-direct power cells for high-drain, long-endurance devices, stable and reliable.
Compliant with IEC61951-2, IEC62133-1, ROHS, REACH; mercury/cadmium/lead-free, eco-friendly and cost-effective alternative to disposable batteries.
ISO9001/ISO14001 certified, 100% pre-delivery inspection; supports OEM/ODM, bulk orders and global fast shipping with full export certifications.