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Lenovo L21M6P70 Replacement Battery vs Lenovo L23C4P70 Replacement Battery: Comparison
L21M6P70 Replacement Battery vs L23C4P70 Replacement Battery capacity wh compared
Expect a near tie. The closest thing to a difference is capacity wh, L21M6P70 Replacement Battery 94 Wh against L23C4P70 Replacement Battery 90 Wh. On battery model code there is little in it, L21M6P70 on the L21M6P70 Replacement Battery versus L23C4P70 on the L23C4P70 Replacement Battery. Oem spare part number is not the same on both, L21L6P70 on the L21M6P70 Replacement Battery versus L23D4P70 on the L23C4P70 Replacement Battery. There is a split on nominal voltage as well, 11.52 V on the L21M6P70 Replacement Battery versus 15.6 V on the L23C4P70 Replacement Battery. There is a split on compatible models as well, Lenovo ThinkPad P16 Gen 2 on the L21M6P70 Replacement Battery versus Lenovo ThinkPad P1 Gen 7 on the L23C4P70 Replacement Battery. They differ on replaces part numbers too, L21L6P70 on the L21M6P70 Replacement Battery versus L23D4P70 on the L23C4P70 Replacement Battery.
Who each one is for
The L21M6P70 Replacement Battery is the one to take for ThinkPad P16 Gen 1 and Gen 2 owners, though it is the wrong buy for ThinkPad P15 or other Lenovo mobile workstation lines. Buy the L23C4P70 Replacement Battery for ThinkPad P1 Gen 7 owners, though it is not the pick for earlier ThinkPad P1 generations.
What L21M6P70 Replacement Battery and L23C4P70 Replacement Battery have in common
Where they agree, they agree completely, capacity basis, expected firmware state and shipping classification included, so the decision does not turn on any of those.
Specs and benchmarks
Brand
- Lenovo L21M6P70 Replacement Battery
- Lenovo
- Lenovo L23C4P70 Replacement Battery
- Lenovo
Battery Model Code
- Lenovo L21M6P70 Replacement Battery
- L21M6P70
- Lenovo L23C4P70 Replacement Battery
- L23C4P70Best
OEM Spare Part Number
- Lenovo L21M6P70 Replacement Battery
- L21L6P70
- Lenovo L23C4P70 Replacement Battery
- L23D4P70
Nominal Voltage
- Lenovo L21M6P70 Replacement Battery
- 11.52 V
- Lenovo L23C4P70 Replacement Battery
- 15.6 V
Capacity Wh
- Lenovo L21M6P70 Replacement Battery
- 94 WhBest
- Lenovo L23C4P70 Replacement Battery
- 90 Wh-4%
Capacity Basis
- Lenovo L21M6P70 Replacement Battery
- Seller Claim
- Lenovo L23C4P70 Replacement Battery
- Seller Claim
Expected Firmware State
- Lenovo L21M6P70 Replacement Battery
- full_function
- Lenovo L23C4P70 Replacement Battery
- full_function
Shipping Classification
- Lenovo L21M6P70 Replacement Battery
- UN3481
- Lenovo L23C4P70 Replacement Battery
- UN3481
Compatible Models
- Lenovo L21M6P70 Replacement Battery
- Lenovo ThinkPad P16 Gen 2 (Core i9-13980HX, RTX 5000 Ada, 64GB)
- Lenovo L23C4P70 Replacement Battery
- Lenovo ThinkPad P1 Gen 7 (Core Ultra 9 185H, RTX 4070, 64GB)
Replaces Part Numbers
- Lenovo L21M6P70 Replacement Battery
- L21L6P70
- Lenovo L23C4P70 Replacement Battery
- L23D4P70
Which one should you pick?
Choose Lenovo L21M6P70 Replacement Battery if you want the higher capacity wh (94 Wh vs 90 Wh).
Choose Lenovo L23C4P70 Replacement Battery if you already have it on hand or find it at a lower price.




