CX2581M SANYO Pocket Solar Battery Calculator

Review SANYO Vintage Retro Cx 2581m Pocket Solar Battery Calculator Japan

Introducing the Sanyo Eneloop Solar Rechargeable Calculator Model CX-2581M, a versatile and eco-friendly calculator that combines the convenience of solar power with the reliability of Sanyo Eneloop rechargeable batteries.

This pocket-sized calculator boasts a sleek and modern design, measuring approximately 6.1 inches long, 2.8 inches wide, and 0.6 inches thick. Its compact size makes it an ideal travel companion, ensuring you have a reliable calculator on hand, no matter where your adventures take you.

At the heart of the CX-2581M is its innovative solar panel, which is integrated into the calculator's top cover. This panel allows the calculator to recharge itself when exposed to sunlight, making it a truly self-sufficient device. The calculator also comes with two pre-installed Sanyo Eneloop LR1154 rechargeable batteries, which can be recharged via the solar panel or a standard AA battery charger. These batteries offer a long service life and excellent performance, ensuring that your calculator is always ready to use.

The CX-2581M offers a full range of calculator functions, including addition, subtraction, multiplication, division, percent, square root, and memory functions. Its large, easy-to-read LCD display ensures that you can use the calculator comfortably in any lighting conditions. The calculator also features a built-in low battery indicator, which lets you know when it's time to recharge the batteries.

The Sanyo Eneloop Solar Rechargeable Calculator Model CX-2581M is built to last, with a durable and water-resistant design that can withstand the rigors of daily use. Its compact size, solar charging capabilities, and long-lasting batteries make it an essential tool for students, business professionals, and anyone who needs a reliable calculator on the go. So why not make the switch to a more sustainable and eco-friendly calculator, and join the growing movement towards renewable energy?

The Sanyo Eneloop Solar Charger CX2581M (model number 2581M) is a pocket-sized solar battery charger designed to charge AA and AAA NiMH and NiCd batteries using solar energy. Here are some pros and cons of buying this charger:

1. Compact and Portable: The Sanyo CX2581M is a small, lightweight charger that can be easily carried in a backpack or pocket. Its compact size makes it an ideal choice for camping, hiking, or other outdoor activities where access to electrical outlets may be limited.

2. Solar-Powered: The charger uses monocrystalline solar cells to charge batteries, making it a renewable and eco-friendly power source. It can charge batteries even when there is no direct sunlight, as long as there is some light, making it a versatile charging solution.

3. Intelligent Charging: The charger features an intelligent charging system that automatically detects the battery type and charging status. It also has a built-in LED indicator that shows the charging status of each battery.

4. Built-in USB Port: The charger has a built-in USB port that can be used to charge smartphones, tablets, and other USB-powered devices. This makes it a multifunctional device that can be used to charge both batteries and electronic devices.

5. Durable: The charger is built to be durable and waterproof, making it suitable for use in harsh environments. It also has a built-in temperature sensor that prevents overcharging in extreme temperatures.

1. Slow Charging: Compared to wall chargers, the Sanyo CX2581M charges batteries relatively slowly, especially when charged using solar power. It may take several hours to fully charge a set of batteries, depending on the amount of sunlight available.

2. Limited Power Output: The charger has a limited power output, which may not be sufficient to charge larger devices, such as laptops or tablets PCs, efficiently.

3. Expensive: The Sanyo CX2581M is more expensive than some other solar chargers on the market, which may be a deterrent for some buyers.

The Sanyo Eneloop Solar Charger CX2581M is a versatile and eco-friendly charging solution that is ideal for outdoor activities. Its intelligent charging system, compact size, and solar-powered capability make it a valuable addition to any camping or hiking gear. While it may charge batteries slowly and be more expensive than some other options, its durability, waterproofing, and built-in USB port add to its appeal.

If you are looking for a portable solar charger to charge batteries and electronic devices while camping, hiking, or engaging in other outdoor activities, the Sanyo Eneloop Solar Charger CX2581M is an excellent choice. Its intelligent charging system, compact size, and solar-powered capability make it a versatile and eco-friendly charging solution. While it may be more expensive than some other options, its durability, waterproofing, and built-in USB port add to its value.

Details:

Comes with original cover case. Ships within 24 hours. Pretty good looking vintage calculator. See pictures.

Works beautifully.

specifications vintcalc:

• brand: Sanyo
• mpn: Cx2581m
• part type: Pocket Battery Calculator
• country of origin: Japan
• vintage: Yes

returns vintcalc:

• policy: no returns

shipping vintcalc:

• class: standard
• type: calculated
• carrier: usps
• transit: 4-9 days
• service: usps ground advantage

general vintcalc:

• category: Electronics > Vintage Calculators

offer vintcalc:

• prices: $25.00–$28.00
• item condition: Used
• in stock #: 2
• availability: in stock
• sold #: 8
• options: ship-to-home
• started: march 8, 2026

seller vintcalc:

• # reviews: 810
• rating: 98.8%
• city: palm springs, california

payments vintcalc:

• wallet: apple-pay
• other
• credit card: diners-club