For questions, quotes, or help finding the right battery, feel free to email us at sales@batteryweb.com

New collections added! Learn more

🎉 First Order Special 🎉

First-time shoppers get 5% OFF on batteries & accessories!

WELCOME5
SigmasTek  |  SKU: BW-13524

Jasco RB1208 Compatible Replacement Battery

Sale price $16.99 USD Regular price $24.71
Shipping calculated at checkout.

➤ Compatible replacement for Jasco Battery RB1208

➤ Compact size: 3.78" length, 0.98" width, 2.44" height

➤ Provides reliable 12-volt power output

➤ Lightweight design at 1.65 lbs for easy handling

➤ 0.8 Ah capacity ensures long-lasting performance


📦🚀 FAST SHIPPING: Usually ships same day if ordered before 2 PM EST

⚠️ Quick Reminder

🔹 Please ensure the original battery model number is listed in our product description and that your device model number matches for compatibility.
🔹 We only supply the batteries shown in the images. Device images are provided for reference only.

📸 Send Your Battery Photo / Unsure? Expert Help

Snap a photo or video of your battery and send it to us. We'll identify the exact replacement—fast and hassle-free. Our team has helped thousands of customers find the right battery quickly and easily.
POST YOUR IMAGE

Battery Care Guide

Battery Usage and Maintenance Guidelines 🔋

Please read the following instructions carefully before using your new battery. Proper adherence will help ensure optimal performance and extended service life.

1. Cordless Phones, PDAs, and Power Tools (NiMH, NiCd, Lithium-Ion) 📱

Initial Charge

  • Fully charge the battery overnight prior to first use.

Conditioning (First 2–6 Charge Cycles)

  • Operate the device until the battery reaches approximately 20% capacity.
  • Avoid premature recharging.
  • Do not allow the battery to fully discharge during the initial cycles.

Post-Conditioning

  • Recharge the battery only when necessary.
  • These batteries are capable of approximately 500 charge cycles:
  • Once daily → ~500 days
    Twice daily → ~250 days
    Note: Even a partial recharge is considered a full cycle.

2. Sealed Lead Acid (SLA) Batteries 💡

  • No conditioning required.
  • Maintain the battery in a fully charged state; avoid complete discharge.
  • Capable of 300–400 charge cycles.
  • Expected service life: 2–3 years, depending on usage conditions.

3. Laptop Batteries (Lithium-Ion) 💻

Initial Charge

  • Fully charge the battery overnight prior to first use.

Conditioning (First 2–6 Charge Cycles)

  • Charge fully, then discharge to approximately 20% capacity.
  • Avoid complete discharge, as some devices may not detect a fully drained battery.

Post-Conditioning

  • Minimize frequent plugging and unplugging.
  • Allow the battery to discharge moderately at least once per month to maintain optimal performance.
  • Occasional cycling is recommended to sustain battery health.

Professional Recommendation

Adhering to these guidelines will enhance battery longevity and ensure reliable performance.

For further assistance regarding your battery or order, our customer support team is available to provide guidance.

Delivery and Shipping

Everything You Need to Know About Shipping with BatteryWeb (USA)

We know reliable delivery matters when you need power fast. Here’s how BatteryWeb makes shipping easy across the USA:

🚚 Shipping & Delivery

Most orders ship next business day (some products like sealed lead acid may take a little longer).

Same-day shipping available if you order before 11:59 AM (delivery depends on the carrier).

We ship nationwide using FedEx, UPS, USPS, DHL, and regional ground carriers.

Shipping costs are calculated automatically at checkout based on weight, distance, and carrier.

Transit times shown are estimates only (business days, no weekends/holidays).

🌍 Shipping Restrictions

Lithium batteries cannot be shipped by USPS or air. They must go via FedEx Ground, UPS Ground, or DHL Ground.

PO Box deliveries are only available via USPS.

At this time, we do not ship lithium batteries to Puerto Rico. NiMH, NiCd, and Alkaline can be shipped.

📦 Important Notes

Double-check your shipping address! If an incorrect address is used and the order is returned, re-shipping costs are the buyer’s responsibility.

If a product is temporarily out of stock, we’ll notify you right away with the expected restock date—or issue a refund if you prefer.

💲 Currency & Pricing

All prices are shown in USD.

Orders shipped outside the USA may be subject to local taxes, customs fees, or import duties. These are the buyer’s responsibility.

⚡ At BatteryWeb, we’re committed to getting your batteries delivered quickly, safely, and affordably—so you’ll always have the power you need, when you need it.

Disclaimer

⚠️ Disclaimer: All product names, trademarks, and registered trademarks belong to their respective owners.

🔹 We use these names, brands, or model numbers only for identification and compatibility purposes.

🔹 Our products are generic replacement parts and are not affiliated with, endorsed by, or manufactured by the original equipment manufacturers (OEMs).


Volts & Amps

12 Volts | 0.8 Ah

Terminal Type

Special Connector

Jasco RB1208 Replacement Battery — Compatible with SigmasTek

The Jasco RB1208 replacement battery is an efficient, compact power source tailored for SigmasTek-compatible devices that require a reliable 12 Volt supply. As a carefully designed high-performance battery replacement, the RB1208 offers predictable energy delivery and solid standby capability for a range of small-scale power applications. When performance and reliability matter, this replacement battery provides a compact, dependable option for maintenance and emergency readiness.

Key Specifications

  • Manufacturer: SigmasTek
  • Length (in.): 3.78
  • Brand Replacement: Jasco Battery
  • Width (in.): 0.98
  • Voltage: 12 Volts
  • Height (in.): 2.44
  • Amp Hours: 0.8 Ah
  • Weight (lb.): 1.65
  • Model: RB1208

Benefits

Engineered for durability and long service life, the RB1208 is an ideal long-lasting battery for small UPS systems, alarm and access control panels, medical devices, and portable test instruments. The battery’s compact dimensions and sealed construction make it easy to install and maintain in confined spaces while minimizing the risk of leakage or maintenance needs associated with older chemistries.

As a high-performance battery option, the RB1208 provides steady voltage under typical standby and cyclic loads, which helps protect sensitive electronics from fluctuations and unexpected shutdowns. Its 0.8 Ah capacity suits short-duration backup scenarios and controlled power-down operations, and the stable output allows connected systems to complete critical tasks during outages. The design promotes consistent recharge acceptance and reliable capacity retention when used in routine maintenance schedules.

For technicians and end users, the RB1208 simplifies service inventories because it functions as a direct replacement for SigmasTek-compatible models requiring the RB1208 form factor. Typical applications include emergency lighting packs, small UPS modules, security systems, and handheld tools that depend on a compact 12 Volt supply. Choosing this replacement battery means fewer unexpected failures and easier lifecycle management.

Don't wait until power issues disrupt operations — purchase the Jasco RB1208 replacement battery today to ensure a dependable, high-performance battery is on hand when you need it most.


Payment & Security

Payment methods

  • American Express
  • Apple Pay
  • Diners Club
  • Discover
  • Google Pay
  • Mastercard
  • PayPal
  • Shop Pay
  • Visa

Your payment information is processed securely. We do not store credit card details nor have access to your credit card information.