The AHJ brand replacement battery impresses in our practical test in almost all categories with very good performance. It is fully compatible with Eufy RoboVac G10 Hybrid, G20/G20 hybrid, G15, G30/G30 Edge/G30 Hybrid/G30 Verge, G40/G40 hybrid; RoboVac 11/11S/11S MAX, 12, 15C/15C MAX/15T, 25C/25C Max, 30/30C/30 Max, 35C; Ecovacs Deebot N79/N79S/DN622, Tesvor X500. The AHJ replacement battery can perform up to 300-500 usage cycles. The battery leaves nothing to be desired and therefore qualifies for an absolute recommendation of the product with a very good overall rating. With a quick installation time of around 2 minutes.
Advantages
✅ High level of safety
✅ High reliability
✅ 12 months warranty
✅ Lithium-ion battery with high capacity
Disadvantages
❌ None
The first impression
Packaging and contents
ℹ️ Here we take a closer look at packaging. Sustainability is becoming an increasingly important factor. In addition, adequate protection of the product must of course also be guaranteed. Are the contents of the packaging complete and does the manufacturer make it as easy as possible for me to use the product straight away?
| Criterion | Remark | Score achieved* |
|---|---|---|
| Product protection | Carton is sturdy, product sufficiently protected | 100 points |
| Sustainability Packaging | No unnecessary packaging waste, no use of plastic | 100 points |
| Package contents & scope | Complete | 100 points |
| Instructions for use | Instructions for use available in more than 3 languages, well written – more informative pictures would be desirable | 100 points |
| Total | 100 points |
*The maximum score is 100 points
The AHJ brand replacement battery is supplied in compact cardboard packaging on which the most important data and functions of the device are printed. The cardboard box is sturdy and provides adequate protection for the product. In addition, product protection is ensured by a separate film covering the battery and polystyrene spacers, which prevent the product from slipping and protect it from mechanical pressure from the outside . The scope of delivery is complete, so that nothing stands in the way of immediate use. The enclosed instructions for use are written in four different languages and are very easy to understand. The manufacturer also provides information on customer service in the appendix. Overall, the product makes a very good first impression.
The first time in your hand
Product processing and appearance
ℹ️ Before we start the practical test, we take a close look at the workmanship of the products. How high quality are the materials used? Are the look and feel satisfactory?
| Criterion | Remark | Score achieved* |
|---|---|---|
| Visual appearance | Timeless design | 100 points |
| Processing | Very good workmanship, no unclean transitions | 100 points |
| Stability | Very robust material, stable | 100 points |
| Sustainability of the product | No information on sustainability – however, we assume a long service life due to the materials used | 80 points |
| Total | 95 points |
*The maximum score is 100 points
The replacement battery from AHJ presents itself at first glance with an aesthetic and functional design. The clear lines and simple appearance convey elegance and seriousness. The workmanship of the replacement battery is of high quality, which is reflected in the robust construction and careful choice of materials. Both the housing and the components are solid and resistant, which guarantees a long battery life. The stability of the replacement battery is impressive and enables safe and reliable vacuuming.
One aspect that is not explained in detail, however, is the sustainability of the product. More detailed information about the materials used, possible recycling options or environmental standards would be desirable here. A transparent presentation of the environmental impact and possible improvements in this area could make the product even more attractive to environmentally conscious consumers.
This is what our practical test showed
Does the manufacturer keep its advertising promises?
ℹ️ Our practical test has the highest relevance and therefore weighting. Here, the product has to undergo a wide range of criteria and tests. We check the functions and product promises of the test article.
| Criterion | Remark | Score achieved* |
|---|---|---|
| Assembly | Ready for use in just a few minutes | 100 points |
| Quality | Good construction | 100 points |
| Compatibility | Compatible with many Eufy RoboVacs | 100 points |
| Performance | Consistent performance | 100 points |
| Service life | Long service life | 100 points |
| Total | 100 points |
*The maximum score is 100 points
Our extensive practical test of the AHJ replacement battery has shown that the manufacturer keeps its advertising promises. Installing the battery is extremely easy and can be done independently in around two minutes. During the test with the Eufy cleaning robot, there were no battery faults, which indicates the reliability of the replacement battery.
The replacement battery proved to be extremely powerful and lasted an impressive one hour of continuous use. The high capacity 2600mAh lithium-ion battery proved to be durable and reliable. Before first use, it is recommended to fully charge the battery to ensure optimum performance.
The AHJ replacement battery comes with a 14.4 V battery and a detailed instruction manual to make it easier to install and use the battery. Although we are not yet able to provide long-term durability data due to the short test period, the durability during our use was optimal and indicates reliable performance of the replacement battery.
Price/performance ratio
and ratings from consumers
ℹ️ Finally, we examine how the product compares to the competition. Can it keep up with the competition in terms of price and quality? Would we generally recommend buying it? We also look at the consumer reviews and check whether the critical and positive reviews are actually justified.
| Criterion | Remark | Score achieved* |
|---|---|---|
| Price / performance ratio | Very good performance in the mid-price segment | 80 points |
| Rating cut | 4.4 out of 5.0 on Amazon | 70 points |
| Total | 75 points |
*The maximum score is 100 points
On the Amazon platform, consumers rate the product with an average of 4.4 stars. One common complaint is that the battery is defective after 6 months, but a replacement is sent immediately. Many customers like the compatibility and function. In our practical test, we were able to confirm that no battery faults occurred at any time.
Prices of up to €52 are charged on the Internet for equivalent products. Very inexpensive products are available from as little as €13. The replacement battery from AHJ is therefore currently in the middle price segment with a price of €26.99. For the quality and performance received, theprice-performance ratio is very good.
Overall result
| Weighting | Score achieved* | |
|---|---|---|
| 1. packaging & contents | 20% | 100 points |
| 2. product processing & appearance | 20% | 95 points |
| 3. in the practical test | 45% | 100 points |
| 4. price/performance & consumer ratings | 15% | 75 points |
| Total | 95 points |
