# Battery Tester Rockforce RF-8311 — 12V, 100A load, for up to 200Ah batteries

**URL:** https://aio.lv/en/product--rockforce-rf-8311--12058032
**Data updated:** 2026-03-12 19:41 (EET)
**Category:** Other goods
**Manufacturer:** Rockforce
**Manufacturer code:** RF-8311
**EAN:** 5906692116454
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 22.99 €
**Prices and availability valid until:** 2026-11-17 23:59
**Price without VAT (21%):** 19.00 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--rockforce-rf-8311--12058032

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 02.11.2026 | free |
| Pickup points | 05.11.2026 | 1.99 EUR |
| Courier delivery to door | 05.11.2026 | 4.99 EUR |

## Summary description

Digital battery tester Rockforce RF-8311 designed for 12V lead-acid batteries with a test load of up to 100A and compatibility with batteries rated up to 200Ah. Provides quick diagnostic measurements of state of charge and cranking ability under load, connects via clamps, and is suitable for garages, workshops and roadside checks.

## Long description

The Rockforce RF-8311 is a digital battery tester designed for 12V lead-acid batteries up to 200Ah. It applies a programmable load of up to 100A to assess battery condition and cranking ability quickly. The unit connects to the battery with insulated clamps and displays diagnostic results that help determine state of charge and whether the battery can deliver sufficient current under load. The tester is compact and intended for use in garages, workshops and roadside inspections where a fast assessment of battery health is required.
Advantages
The tester provides a controlled load test up to 100A, enabling accurate evaluation of cranking performance and voltage response under load. Its digital display delivers clear measurement readouts for voltage and test results, while the clamp connections simplify attachment to the battery terminals. Compatibility with batteries rated up to 200Ah makes it suitable for most passenger vehicle and light commercial batteries. The device supports quick diagnostics that reduce time spent troubleshooting starting and charging issues.
Suitable for
Testing 12V lead-acid starter batteries in cars and light commercial vehicles
Garage and workshop battery diagnostics
Roadside checks and emergency battery assessment
Pre-purchase or maintenance inspections of battery condition
Key specifications
Nominal system voltage: 12V
Maximum test load current: 100A
Compatible battery capacity: up to 200Ah
Measurement functions: loaded voltage test and cranking ability assessment
Connection type: insulated clamp leads for positive and negative terminals
Display: digital readout for voltage and test results
How to use
Connect the red clamp to the positive terminal and the black clamp to the negative terminal of the battery. Power the tester according to the unit instructions and select the appropriate test mode if the device provides options for different battery types or sizes. Initiate the load test and observe the digital readout as the unit applies up to 100A; note the loaded voltage and the pass/fail indication for cranking ability. After the test completes, disconnect the clamps, starting with the negative lead, and record the results for maintenance records or further diagnostics.
Usage recommendations
Use the tester in a well-ventilated area and avoid sparks or open flames near the battery. Ensure clamps have secure contact with clean terminal surfaces for accurate readings. Do not exceed the recommended battery capacity range and follow vehicle manufacturer guidance when interpreting test results; combine results with charging system checks for a complete diagnosis.

## FAQ

### How much does the Battery Tester Rockforce RF-8311 12V 100A cost, and is it available for purchase?

The price is 22.99 € (valid at the time of publication and already includes all taxes). The item is available for order — 493 pcs. are in stock, and you can place your purchase right now with delivery across Latvia and Europe or choose pickup at the Riga collection point. We offer favorable purchase terms, including the option to split the payment into convenient monthly installments. Availability and price are updated in real time, so we recommend placing your order in advance.

### If I order this product today, when will I receive my order?

If you place your order today, delivery will be as fast and convenient as possible. You will be able to pick up your order on 02.11.2026 at the Riga pickup point or choose delivery across Latvia and Europe. We carefully inspect every purchase and pack it securely for safe transportation.

### What payment options are available?

AiO.lv offers several payment methods: Bank transfer, Bank cards on-line, Apple Pay, Google Pay. All transactions are 100% secure and encrypted.

### Can this product be purchased for a company (with VAT)?

Yes. AiO.lv works with legal entities in Latvia and across Europe. The product price already includes VAT. For certain product categories, as well as for companies from other EU countries with a valid VAT number, a 0% VAT rate may apply. We issue the invoice immediately after the order is placed, support electronic BIS invoices, and automatically generate all necessary accounting documents. You can complete the purchase for a company online — simply select the company profile and choose bank transfer as the payment method during checkout.

### What is the warranty period?

All Rockforce products come with an official 2 Years warranty. It covers all manufacturing defects and malfunctions that may occur during use. The warranty is valid at all authorized Rockforce service centers and through AiO.lv

### Can the product be returned after purchase?

Yes, you can return the product within 14 days of purchase if you bought it as a consumer (not a legal entity). Returns are possible without giving any reason — the main condition is that the product retains its original appearance and full set of accessories. We will make the process as simple and convenient as possible: just contact our customer support team, and we will help you arrange the return.

### Where should I contact for warranty service?

For warranty-related questions you can contact the AiO.lv (SIA VSPRO) customer support team. More information about warranty service: https://aio.lv/en/warranty

## Image

https://aio.lv/img/cache/product/12058032/70000500_large.webp