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Dell KV690 Replacement Battery vs Dell RWFFJ Replacement Battery: Comparison
What is the difference between KV690 Replacement Battery and RWFFJ Replacement Battery?
Battery model code is the dividing line, KV690 Replacement Battery KV690 against RWFFJ Replacement Battery RWFFJ. There is a split on oem spare part number as well, 2M0C5 on the KV690 Replacement Battery versus J8FK9 on the RWFFJ Replacement Battery. Nominal voltage is not the same on both, 11.55 V on the KV690 Replacement Battery versus 11.7 V on the RWFFJ Replacement Battery. They differ on compatible models too, Dell Precision 5690 on the KV690 Replacement Battery versus Dell XPS 16 9640 on the RWFFJ Replacement Battery. There is a split on replaces part numbers as well, 2M0C5 on the KV690 Replacement Battery versus J8FK9 on the RWFFJ Replacement Battery.
Which should you buy, KV690 Replacement Battery or RWFFJ Replacement Battery?
Buy the KV690 Replacement Battery for precision 5690 owners, though it is not built for precision models outside the 5680/5690 pairing. The RWFFJ Replacement Battery is the one to take for XPS 16 9640 owners, though it is not the pick for other XPS 16 revisions without independent confirmation.
Where the two are identical
The common ground is wider than the gap: cell count, series configuration, capacity wh, capacity basis and expected firmware state are identical here. They match on 1 further specification as well.
Frequently asked questions
Is the Shipping Classification the same on the KV690 Replacement Battery and RWFFJ Replacement Battery?
It is. Both are listed at UN3481, so it is not a reason to pick one over the other.
Specs and benchmarks
Brand
- Dell KV690 Replacement Battery
- Dell
- Dell RWFFJ Replacement Battery
- Dell
Battery Model Code
- Dell KV690 Replacement Battery
- KV690
- Dell RWFFJ Replacement Battery
- RWFFJ
OEM Spare Part Number
- Dell KV690 Replacement Battery
- 2M0C5
- Dell RWFFJ Replacement Battery
- J8FK9
Nominal Voltage
- Dell KV690 Replacement Battery
- 11.55 V
- Dell RWFFJ Replacement Battery
- 11.7 V
Cell Count
- Dell KV690 Replacement Battery
- 6
- Dell RWFFJ Replacement Battery
- 6
Series Configuration
- Dell KV690 Replacement Battery
- 2S
- Dell RWFFJ Replacement Battery
- 2S
Capacity Wh
- Dell KV690 Replacement Battery
- 99.5 Wh
- Dell RWFFJ Replacement Battery
- 99.5 Wh
Capacity Basis
- Dell KV690 Replacement Battery
- OEM Label
- Dell RWFFJ Replacement Battery
- OEM Label
Expected Firmware State
- Dell KV690 Replacement Battery
- full_function
- Dell RWFFJ Replacement Battery
- full_function
Shipping Classification
- Dell KV690 Replacement Battery
- UN3481
- Dell RWFFJ Replacement Battery
- UN3481
Compatible Models
- Dell KV690 Replacement Battery
- Dell Precision 5690 (Core Ultra 7 165H, RTX 3500 Ada, 32GB)
- Dell RWFFJ Replacement Battery
- Dell XPS 16 9640 (Core Ultra 9 185H, RTX 4070, 32GB)
Replaces Part Numbers
- Dell KV690 Replacement Battery
- 2M0C5
- Dell RWFFJ Replacement Battery
- J8FK9
Which one should you pick?
Choose Dell KV690 Replacement Battery if you want the higher capacity wh (99.5 Wh vs 99.5 Wh).
Choose Dell RWFFJ Replacement Battery if you already have it on hand or find it at a lower price.