Product Overview

The RYDER 34438 Li-ion Battery Pack (Model: Li-21700-3S4P-10.8V 20(19.6)Ah-PCM-case-with heating function) is a rugged, high-performance power system engineered for demanding environments. Designed around 21700 lithium-ion cells, this 12V-compatible battery delivers:
✅ 60W Rated Output Power with dual Chogori ports
✅ Solar Charging Compatibility (18V PV panels/adapters)
✅ Wide Operating Temperature Range (-20°C to 60°C)
✅ Bluetooth 5.0 Connectivity for real-time monitoring
✅ Advanced BMS with thermal runaway prevention

✅ Support heating function

✅ With LED button

Key Applications:
Remote monitoring stations, solar-powered IoT devices, industrial-grade backup systems, and harsh-environment deployments requiring reliable 12V lithium-ion power.

Technical Specifications

Core Parameters

Category	Specification
Voltage	10.8V (3S4P configuration)
Capacity	20Ah (Min 18.6Ah)
Energy Storage	216Wh
Max Continuous Discharge Current	6A (108W peak power)
Charge Voltage	12.45V (constant-voltage mode)
Thermal Management	-20°C heating activation / 55°C overheat shutdown

Charging Capabilities

Feature	Details
Solar Charging	Up to 56.1W (MPPT 14-20V)
DC Charging	12.15-12.89V, 4.2-4.8A
Charging Efficiency	80-91%
Safety Protections	Overcharge/over-discharge/short-circuit protection