In brief: Based on review measurements: Capacity: NB-7L (789 mAh vs. 723); Price: NB-4L (4.35 $ vs. 6.87).
Model NB-4L Canon · 2015 Read review → NB-7L Canon · 2015 Read review → Capacity, mAh 723 789 Weight, g 16 42 Price, $ 4.35 6.87 Review conclusion Recommended With reservations
NB-4L: Capacity measured 723 mAh; the author considers the battery quite decent.
NB-7L: Capacity measured 789 mAh, about 75% of the claimed figure; the author is wary of the battery.
Figures were taken from the review text and checked against the quoted passages. Measurement conditions differ between reviews, so read the reviews yourself before buying. Prices at the time of review.
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ICR18650-22P Samsung ICR18650-26F Samsung ICR18650-26F Samsung ICR18650-26H Samsung ICR18650-26H Samsung ICR18650-26HM Samsung ICR18650-32A Samsung ICR18650-32A protected Samsung INR18650-20S Samsung INR18650-20S Samsung INR 18650-20S Samsung INR18650-25R Samsung INR18650-25R Samsung INR18650-25R Samsung INR18650-25R Samsung INR18650-25R old Samsung INR18650-25S Samsung INR18650-25S Samsung INR18650-30Q Samsung INR18650-30Q Samsung INR18650-30Q Samsung INR18650-30Q Samsung INR18650-35E Samsung INR18650-35E Samsung INR21700-33J Samsung INR21700-33J 3270mAh Samsung INR21700-40T Samsung INR21700-40T Samsung INR21700-48X Samsung INR21700-50E Samsung INR21700-50E Samsung INR21700-50E Samsung INR21700-50G SANYO NCR18650GA Sanyo NCR18650GA Sanyo NCR18650GA Sanyo NCR20700B Sanyo NCR20700B Sanyo UR14500AC 740mAh SANYO UR16650ZTA Sanyo UR18500Y 1300mAh SANYO UR18650ZY SANYO UR18650ZY Sony/Murata US18650VTC4 Sony NP-BN1 Sony US18650VTC4 Sony VTC6 Sony VTC6 (counterfeit) Soshine 14500 / AA Lifepo4 Battery Kit 700mAh Soshine 14500 LiFePO4 700 mAh Soshine 18650 Lifepo4 Protected Battery Soshine IFR CR2 Lifepo4 Rechargeable Battery Soshine IFR Lifepo4 Rechargeable Battery CR123 / 16340 Tenpower INR21700-50SG TrustFire 14500 TrustFire 14500 TrustFire 14500 900mAh batteries TrustFire 14500 protected 900mAh TrustFire 14500 unprotected TrustFire 16340 TrustFire 18350 TrustFire 18650 2400mAh TrustFire TF 16340 880 mAh TrustFire TF26650 5000mAh 3.7V UltraFire TR17670 1800mAh 3.7V Unbranded microSD 32GB Uniden BP-38/BP-40 radio batteries Vapcell 14650 V11 1100mah 6A Vapcell A11 18350 1100mAh Vapcell Boston Power Swing 5300 Vapcell F14 Vapcell F32 Vapcell F34 Vapcell F35 Vapcell F35 18650 3500mah 10A Vapcell F52 Vapcell F56 5600mAh VapCell G45 21700 4500mah 20A Vapcell G50 21700 5000mah 15A VapCell G53 26650 5300mah 20A Vapcell G62 VapCell IFR10370 140mAh VapCell IFR26650 2600mah 3.2V 55A/75A Vapcell IFR32700 G62 VapCell IFR32700 G65 VapCell INR14500 1000mah 10A H10 VapCell INR18500 2200mah 4A L22 Vapcell INR18500 N24 Vapcell INR18650 2000mAh 38A Vapcell INR18650 3000mah 20A VapCell INR26350 A20 2000mAh VapCell INR26650 4200mah 32A Vapcell K15 18500 1500mAh 15A Vapcell K25 18650 2500mah 20A Vapcell K29 Vapcell K30 18650 3000mah 15A Vapcell K31 18650 Vapcell K40 21700 4000mAh 30A/45A Vapcell K54 VapCell M11 18350 1100mah 9A Vapcell N36 18650 Vapcell N40 Vapcell N40 Vapcell N1830A 18650 3000mah 15A Vapcell N1835A 18650 3500mah 10A Vapcell P30 Vapcell P50 Vapcell P1418 14500 1800mah 1.5v Vapcell P1608A 16340 800mah Vapcell P1830A 18650 3000mah 15A Vapcell P1835A 18650 3500mah 10A Vapcell P2150A 21700 5000mAh Vapcell S30 18650 3000mah 25A Vapcell T8 INR16340 850mah 3A Vapcell T20 21700 2000mAh 40A/60A Vapcell T39 21700 Vapcell T42 Vapcell T50 VariCore 32700 LiFePo4 VTC6 with tabs Westinghouse WA640N-F1 6V 4Ah XG NCR21700 4800mAh Xiaomi ZI5 Yuliang 26800 Li-NMC 7000mAh СЦ-25, first unit СЦ-25, second unit СЦ-25, third unit or Model… 1200mAh Li-40B/42B 1500mAh 18650 LTO battery 1800mAh NP-BG1 2200mAh 18650 Li-ion Battery for Power Tool 18650 3400 mAh battery 18650C5 33140 15Ah LiFePO4 cell 66160 LTO battery cell AAA batteries AA batteries ANR26650M1-B ANR26650M1-B AWT_2600 BAK 32140FS-48 BAK H18650CC 2150mAh BAK N18650CK 3000mAh BAK N21700CG 5000mAh BASEN B30 18650 3000mAh BASEN BS186A Pro Basen BS217A Basen BS26003 BASEN O35 Basen Y25 18650 2500mAh 22A BP-70A BP70A BTY AA3000 BTY AAA1350 BYD FC46120P 24Ah LiFePO4 CALB L148F88 CALB L173F230B LiFePO4 230 Ah CALB L194F130A CALB L300F187 CATL LiNiCoMnO2 3.7V 50Ah CGA-DU21 Chinese battery styled as Panasonic NCR18650B D-LI88 / DB-L80 DB-L80 EagleTac 17650 1600mAh En-el10 / Li-42 EN-EL19 EN-EL19 EVE 18650 25P_2500mAh EVE 18650 26V_2550mAh EVE 18650 33V_3200mAh EVE 18650 35V_3400mAh EVE 21700 40P 4Ah EVE 21700 50E 5Ah EVE 40135 20Ah LiFePO4 EVE IFR33140 15Ah EVE INR-4695 EVE INR18650-25P 2500mAh (TerraE) EVE INR21700-50PL Goonk 18650 2800 mAh Gotion 33140 15Ah 3.2v LiFePO4 GP INR18650-26L HAKADI 26700 3500mAh HJ802540 HT 32700 6000mAh LiFePO4 Included battery INR18650-25R from AliExpress INR21700M52V JGNE 18650 1600mah JGNE 18650 1800mAh JGNE 26650 2300mah JGNE 26650 3000mah JGNE 26650 3600mah JSK 32140 15Ah LG-INR21700H40B LG 20650 HG6 LGDBHE41865 LGDBHG21865 LG HG2 LG HG2 LG HG2 LG ICR18650-HB3 LG ICR18650-HB3 LG ICR18650-HE2 2500mAh LG ICR18650-HE4 LG ICR18650-HE4 LG INR18650-HG2 LG INR18650-HG2 LG INR18650-HG2L LG INR18650-HG2L LG INR18650-M36 LG INR18650-M36 LG INR18650-MH1 LG INR18650-MJ1 LG INR18650-MJ1 LG INR18650-MJ1 LG INR18650MH1 LG INR21700-M50LT LG INR21700-M50T LG INR21700-M50T Li-40B LiFePO4 EVE Energy 3.2V 90Ah Liitokala 3400mAh protected LiitoKala 26650-55A Liitokala 32700 LiFePO4 Liitokala HG2 Liitokala INR26650-50A LiitoKala LiFePO4 30 Ah Liitokala LiFePO4 32 Ah cell Liitokala lii-35A-N LiitoKala Lii-40A 21700 4000mAh LiitoKala Lii-40E, 26700, 4000 mAh LiitoKala Lii-50A LiitoKala Lii-50A Liitokala Lii-51S Liitokala NCR18650B Liitokala NCR18650B 3400mAh LTO 18650 1500mAh cell, first unit LTO 18650 1500mAh cell, second unit MecArmy 3400 Milwaukee M18 1.5 Ah battery Molicel INR18650-P28A Molicel INR18650-P28A Molicel INR21700-P42A Molicel INR21700-P42A Molicel INR21700-P45B Murata US18650-VTC5D Murata US18650VC7 Murata US18650VTC4 Murata US18650VTC5A Murata US18650VTC5D Murata US18650VTC6 Murata US18650VTC6 Murata US18650VTC6 Murata US18650VTC6 Red Murata VTC5A Murata VTC6 NB-4L NB-7L NCR18650B LiitoKala Netac P500 64GB Micro SD Night wolf Noname 5000mAh Noname 18650 2600mAh cell NP-BN1 Panasonic NCR18500A Panasonic NCR18650B Panasonic NCR18650BD Panasonic NCR18650BD Panasonic NCR18650B with protection Panasonic NCR18650G Panasonic NCR18650G QNAS 32140 15Ah QNAS 40160 25Ah 3.2V LFP Reliance INR21700-RS50 Samsung ICR18650-22P Samsung ICR18650-22P Samsung ICR18650-22P Samsung ICR18650-26F Samsung ICR18650-26F Samsung ICR18650-26H Samsung ICR18650-26H Samsung ICR18650-26HM Samsung ICR18650-32A Samsung ICR18650-32A protected Samsung INR18650-20S Samsung INR18650-20S Samsung INR 18650-20S Samsung INR18650-25R Samsung INR18650-25R Samsung INR18650-25R Samsung INR18650-25R Samsung INR18650-25R old Samsung INR18650-25S Samsung INR18650-25S Samsung INR18650-30Q Samsung INR18650-30Q Samsung INR18650-30Q Samsung INR18650-30Q Samsung INR18650-35E Samsung INR18650-35E Samsung INR21700-33J Samsung INR21700-33J 3270mAh Samsung INR21700-40T Samsung INR21700-40T Samsung INR21700-48X Samsung INR21700-50E Samsung INR21700-50E Samsung INR21700-50E Samsung INR21700-50G SANYO NCR18650GA Sanyo NCR18650GA Sanyo NCR18650GA Sanyo NCR20700B Sanyo NCR20700B Sanyo UR14500AC 740mAh SANYO UR16650ZTA Sanyo UR18500Y 1300mAh SANYO UR18650ZY SANYO UR18650ZY Sony/Murata US18650VTC4 Sony NP-BN1 Sony US18650VTC4 Sony VTC6 Sony VTC6 (counterfeit) Soshine 14500 / AA Lifepo4 Battery Kit 700mAh Soshine 14500 LiFePO4 700 mAh Soshine 18650 Lifepo4 Protected Battery Soshine IFR CR2 Lifepo4 Rechargeable Battery Soshine IFR Lifepo4 Rechargeable Battery CR123 / 16340 Tenpower INR21700-50SG TrustFire 14500 TrustFire 14500 TrustFire 14500 900mAh batteries TrustFire 14500 protected 900mAh TrustFire 14500 unprotected TrustFire 16340 TrustFire 18350 TrustFire 18650 2400mAh TrustFire TF 16340 880 mAh TrustFire TF26650 5000mAh 3.7V UltraFire TR17670 1800mAh 3.7V Unbranded microSD 32GB Uniden BP-38/BP-40 radio batteries Vapcell 14650 V11 1100mah 6A Vapcell A11 18350 1100mAh Vapcell Boston Power Swing 5300 Vapcell F14 Vapcell F32 Vapcell F34 Vapcell F35 Vapcell F35 18650 3500mah 10A Vapcell F52 Vapcell F56 5600mAh VapCell G45 21700 4500mah 20A Vapcell G50 21700 5000mah 15A VapCell G53 26650 5300mah 20A Vapcell G62 VapCell IFR10370 140mAh VapCell IFR26650 2600mah 3.2V 55A/75A Vapcell IFR32700 G62 VapCell IFR32700 G65 VapCell INR14500 1000mah 10A H10 VapCell INR18500 2200mah 4A L22 Vapcell INR18500 N24 Vapcell INR18650 2000mAh 38A Vapcell INR18650 3000mah 20A VapCell INR26350 A20 2000mAh VapCell INR26650 4200mah 32A Vapcell K15 18500 1500mAh 15A Vapcell K25 18650 2500mah 20A Vapcell K29 Vapcell K30 18650 3000mah 15A Vapcell K31 18650 Vapcell K40 21700 4000mAh 30A/45A Vapcell K54 VapCell M11 18350 1100mah 9A Vapcell N36 18650 Vapcell N40 Vapcell N40 Vapcell N1830A 18650 3000mah 15A Vapcell N1835A 18650 3500mah 10A Vapcell P30 Vapcell P50 Vapcell P1418 14500 1800mah 1.5v Vapcell P1608A 16340 800mah Vapcell P1830A 18650 3000mah 15A Vapcell P1835A 18650 3500mah 10A Vapcell P2150A 21700 5000mAh Vapcell S30 18650 3000mah 25A Vapcell T8 INR16340 850mah 3A Vapcell T20 21700 2000mAh 40A/60A Vapcell T39 21700 Vapcell T42 Vapcell T50 VariCore 32700 LiFePo4 VTC6 with tabs Westinghouse WA640N-F1 6V 4Ah XG NCR21700 4800mAh Xiaomi ZI5 Yuliang 26800 Li-NMC 7000mAh СЦ-25, first unit СЦ-25, second unit СЦ-25, third unit Compare
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