Shenzhen Resky Electronics Co., Ltd.
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Solar Battery 21700 14.8v 5000mAh 74wh Rechargeable Li-Ion Battery Pack For Back Up Power
| Model | 21700-4S1P |
| Nominal voltage | 14.8V |
| Nominal capacity | 5000mAh |
| Size | customized |
| Max charge current | 0.5C |
| Charging method | Constant current 1C to 16.8V,then charge with constant voltage 16.8V till charge current less than 0.01C |
| Max discharge current | 1C |
| Discharge cut-off voltage | 10V, the over-discharge detection voltage of PCM |
| Operating environment | Charging, 0°C ~ 45°C ; 65±20%RH; Discharging, -20°C~60°C ; 65±20%RH |
| Storage environment | -20°C~45°; 65±20%RH; |
| Lifespan (80% Prime Capacity) | >500times |
| Charging Attention | It is dangerous that charging with higher current or voltage than Product Specification may cause damage to the cell electrical, mechanical safety performance. |
Application:
Portable Power Tools:
Cordless drills, impact wrenchers, circular saws.
Provides high torque and runtime for professional/commercial tools.
Electric Mobility Devices:
E-bikes, scooters, hoverboards, and compact electric vehicles.
Balances lightweight design with sufficient power for mid-range commutes.
Outdoor/Adventure Equipment:
Camping gear, LED lighting systems, portable refrigerators.
Powers devices in remote locations with no grid access.
Backup Power Solutions:
Emergency lights, UPS systems, medical equipment backups.
Ensures critical systems remain operational during outages.
DIY Robotics and Drones:
High-performance drones, RC cars, and robotic prototypes.
Delivers stable voltage for motors and control systems.
Consumer Electronics:
High-capacity power banks, professional photography/video equipment.
Extended runtime for energy-intensive gadgets.
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