APCTechnical Specification MatrixAnalysis Date: 20 September 2026Evaluated at £170.99
APC Back-UPS BK650EI - 650VA, 4x C13 output, USB
APC Back-UPS BK650EI - 650VA, 4x C13 output, USB, Standby (Offline), 0.65 kVA, 400 W, Sine, 160 V, 286 V
6.2/ 10
Andote Tech Score
Evaluated at £170.99
Price-Tier Avg: 6.0/10
Rated on 20 September 2026
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Relative Benchmark Scoring (1–10)
vs Price Tier CompetitorsPower Capacity (VA)0.65GB
Hardware Spec Score
4.0/10(Below Average)
Price-to-Value Efficiency
4.0/10(Below Average)
Output Power (W)400W
Hardware Spec Score
10.0/10(Exceptional)
Price-to-Value Efficiency
10.0/10(Exceptional)
Weight6030g
Hardware Spec Score
8.9/10(Excellent)
Price-to-Value Efficiency
8.9/10(Excellent)
Cable Length1.8
Hardware Spec Score
5.8/10(Average)
Price-to-Value Efficiency
5.8/10(Average)
Width91
Hardware Spec Score
4.5/10(Below Average)
Price-to-Value Efficiency
4.5/10(Below Average)
Depth284
Hardware Spec Score
5.1/10(Average)
Price-to-Value Efficiency
5.1/10(Average)
Height165
Hardware Spec Score
4.4/10(Below Average)
Price-to-Value Efficiency
4.4/10(Below Average)
How We Calculate This Score
Our objective rating combines Hardware Spec Quality (measuring real-world component power benchmarked across the entire category on a 1–10 scale) with a Price-to-Value Index (evaluating technical capability relative to selling price). User reviews and merchant sponsorships do not influence this score.
Score Deciding Factors8 Key drivers
✓Competitive Price£170
Favorable price-to-performance ratio in categoryHigh Value
✕Limited Power Capacity (VA)0.7GB
Significantly below category average benchmark4.0/10
✓High-End Output Power (W)400W
Top-tier capability in this category10.0/10
✓Lightweight Weight6.03kg
Top-tier capability in this category8.9/10
!Modest Cable Length1.8
Entry-level benchmark rating limits overall score5.8/10
✕Limited Width91.0
Significantly below category average benchmark4.5/10
!Modest Depth284.0
Entry-level benchmark rating limits overall score5.1/10
✕Limited Height165.0
Significantly below category average benchmark4.4/10
Official Product Documents & PDF Manuals
Complete Technical Specifications
Manufacturer-verified hardware specifications with contextual AI metric explanations.