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BAKTH-585973P-1S-3J 3.85V 4400mAh Lithium Polymer Battery Pack for Smart Devices
The BAKTH-585973P-1S-3J is a premium high-voltage lithium-polymer battery pack, featuring a nominal 3.85V voltage (4.4V full charge), an impressive 4400mAh capacity, and 16.94Wh energy output. Engineered with high-performance 585973P soft-package Li-Polymer cells and a stable 1S configuration, it integrates ultra-thin flexible design, superior energy density, and consistent high-voltage delivery—making it the ideal power source for portable consumer electronics, handheld devices, and small precision equipment that demand long runtime, compact size, and reliable performance in a flexible form factor.
Technical Performance You Can Rely On
Engineered for consistent, stable performance in diverse daily use conditions:
Stable 3.85V High-Voltage Output: Maintains a steady 3.85V nominal voltage throughout discharge, avoiding sudden power drops that cause device malfunctions, data loss, or premature shutdowns. Critical for sensitive portable electronics like smartphones, game consoles, and diagnostic devices, ensuring optimal performance until full depletion.
Wide Temperature Adaptability: Operates reliably from -20°C to 60°C, performing well in cold outdoor environments and warm indoor settings without compromising capacity or safety. Suitable for year-round use, whether traveling in cold climates or using devices in warm conditions.
Comprehensive BMS Safety Protection: Equipped with a built-in high-precision Battery Management System (BMS) that provides multi-layer safeguards: over-charge protection (cuts off at 4.4V), over-discharge protection (shuts down at 3.0V), short-circuit protection, over-current protection, and over-temperature protection.
About Us
Shenzhen BAKTH Technology Co., Ltd. was established in 2002. For 21 years, we've specialized in battery pack assembly and PCM/BMS design and production. Our 5,000-square-meter factory features automated production lines and SMT assembly capabilities.
No limitation - we offer competitive pricing based on order quantity. Sample orders are welcome to test our quality before bulk orders.
What's the warranty? How can we guarantee quality?
Standard warranty is 12 months (negotiable for special products). Our complete production process ensures quality before shipment.
What's the lead time?
Standard products: 3-4 weeks for samples (depending on cell availability), 5-8 weeks for bulk orders (varies by model and quantity).
Can we have our own Logo on the battery pack? Can you accept customized battery?
Yes - our professional R&D team can provide customized solutions according to your requirements.
Company Details
Bronze Gleitlager
,
Bronze Sleeve Bushings
and
Graphite Plugged Bushings
from Quality China Factory
Business Type:
Manufacturer,Exporter
Year Established:
2002
Total Annual:
15000000-20000000
Employee Number:
100~199
Ecer Certification:
Verified Supplier
Shenzhen BAK Technology Co., Ltd. founded in 2002, with more than 22 years experience in design and production of battery packs and PCB/BMS. BAKTH has its own R&D team, advance production & testing facilities. A fully automatic SMT line was introduced in 2021, further enhanced BAKTH producti... Shenzhen BAK Technology Co., Ltd. founded in 2002, with more than 22 years experience in design and production of battery packs and PCB/BMS. BAKTH has its own R&D team, advance production & testing facilities. A fully automatic SMT line was introduced in 2021, further enhanced BAKTH producti...