OEM-Quality Panasonic Laptop Battery with 7.6V 36Wh 4860mAh Capacity. Direct Factory Wholesale Pricing. Compatible with CF-RZ4/RZ5/RZ6/RZ8 & CF-VZSU0EJS Models. Overcharge Protection & 1-Year Warranty.

High-Capacity Replacement Battery for Panasonic Laptops
This Factory Wholesale battery is engineered for Panasonic CF-RZ4, RZ5, RZ6, RZ8, and CF-VZSU0EJS models. Delivering 7.6V 36Wh (4860mAh) power, it ensures extended runtime for business, fieldwork, and industrial use. Built with premium lithium cells for reliable performance.

Factory-Direct Safety & Durability
Features advanced safeguards against overcharging, overheating, and short circuits. Certified for international safety standards and fully compatible with original Panasonic chargers. Ideal for bulk orders or custom branding.

Precision Compatibility & Cost Efficiency

  • Exact fit for CF-RZ4, RZ5, RZ6, RZ8, CF-VZSU0EJS (Silver).
  • Supports 500+ charge cycles with zero memory effect.
  • Wholesale Advantage: Competitive pricing for bulk purchases, resellers, and enterprise clients.

Why Choose This Battery?

  • Factory Wholesale Pricing: Save on bulk orders with no middleman markup.
  • Fast Global Shipping: Stock ready for immediate dispatch.
  • 1-Year Warranty: Hassle-free replacements for quality assurance.

Core Advantages

High Capacity

Utilize 100% brand new A grade battery cells. Capacity is higher than that of original battery. Battery Standby time lasts 2 hours above longer than that of original one.

Balder Power Baseboard (PCBA)
  • Balder Power PCBA: Utilize imported ICs, MOS, and other main components, low inner Resistance, mature technological process, high stability, and accurate voltameter.
  • Professional R&D team know well decoding, BQ and other software technology.
Long Cycle life, 100% Battery health
  • Cycle times: 600-800 times which means, if we recharge the battery one time per day it can be used for more than two years.
  • Using all different types of testing software to test the battery the testing result of battery health of our product is 100%
Low-temperature resistance
  • Utilize low-temperature resistance formula of electrolyte for the battery cells. The working temperature: -10 °C-50 °C.Under 0 °C the battery still can work.
  • discharge 90-95% of initial capacity around.
Direct OEM manufacturer
  • Experienced R&D and production management teams, excellent production crafts. High production capacity, fast lead time, stable stock, good technical support, timely products upgrading, best after-sales service.

Long Quality warranty

Defective rate: within 0.1%. 13-month Quality warranty.

Factory Tour

Our Certifications

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Contact information

Email: info@balderpower.com;

james.zhan@balderpower.com

James Zhan (Mr)–General Manager

Tel/WhatsApp/Wechat:+86-13712040916

Address: Plant 202, Building B, Treasure Island Innovation Industrial Park, No. 120, Jinhe Road, Jinhe Community, Zhangmutou Town

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For supports or any questions:

Phone/Whatsapp/Wechat:

+86 13712040916

DongGuan, China

Plant 202, Building B, Treasure Island Innovation Industrial Park, No. 120, Jinhe Road, Jinhe Community, Zhangmutou Town